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Apart from plasmodium, which of the following can infect RBCs in "ring forms"? | Ans. a (Babesia microti). (Ref. Harrison's, Principles of Internal Medicine, 16th ed., pg1232)Babesiosis (B. microti)# Babesiosis is a worldwide protozoan disease of animals that is transmitted by ticks; humans are infected incidentally and initially develop a nonspecific febrile illness that can lead to hemolytic anem... | 8,900 | medmcqa_train |
Following clostridia are saccharolytic except ? | Ans. is 'b' i.e., Sporogenes . Clostridia may break down carbohydrate for energy (sacchrolytic) or break down protein for energy (proteolytic) or both. Different clostridia have different pattern :- . Both proteolytic and saccharolytic - Predominating proteolytic --> CL sporogenes, Cl botulinum A .B.F., Cl. bifermentan... | 8,901 | medmcqa_train |
A 32-year-old primi gravida presents with DVT. There is history of 2 episodes of DVT in the past and was diagnosed to have antiphospoholipid antibody. Next step in management is: | Ans: B (Aspirin and heparin) Ref: Maternal-Fetal Medicine edited by Mary E. D'Alton. pg: 10-14 and DC Dutta's Textbook of Obstetrics. 7th edition, pg: 343 Explanation: "ACOG 2005 guidelines recommends low dos aspirin t5-80 mg orally per day along with unfractionated heparin 5000 unit subcutaneously twice daily. The the... | 8,902 | medmcqa_train |
Iridocorneal endothelial syndrome is associated with – | Iridocorneal endothelial (ICE) syndrome is characterized by abnormal corneal endothelium which causes :- Iris atrophy, Secondary angle closure glaucoma in association with characteristic peripheral anterior synechiae, Corneal edema.
Option 'c' may cause confusion here. You should keep in mind that in iridocorneal endot... | 8,903 | medmcqa_train |
An elderly man complains of ear pain. During evaluation, the physician asks if the patient has tinnitus. What is tinnitus? | Tinnitus is the perception of abnormal noise in the ear or head. It is usually attributed to a sensory loss; pulsatile tinnitus occurs with conductive hearing loss and is due to carotid pulsations becoming more apparent. | 8,904 | medmcqa_train |
A 6 year old child with IQ of 50. Which of the following can the child do? | IQ is defined by as the mental age divided by the chronological age multiplied by 100. In this case, a child of 6 years of age with an IQ of 50%, means that his mental age is that of a 3 year old child. At 3 years of age, a child can identify two colours. Ref: Essential paediatrics by OP Ghai, 6th edition, Page 543. | 8,905 | medmcqa_train |
In fracture surgical neck of humerus, the following nerve injury is common: | A i.e. Axillary | 8,906 | medmcqa_train |
Not an indication for blood transfusion | Indications for Blood Transfusion
To correct anemia due to blood loss and to combat postpartum hemorrhage
Patient with severe anemia seen in later months of pregnancy (beyond 36 weeks)
Refractory anemia: Anemia not responding to either oral or parenteral therapy in spite of correct treatment
Associated infection | 8,907 | medmcqa_train |
Trans-placental spread is least associated with? | HSV infection may be acquired in utero, during the birth process, or during the neonatal period.
Intrauterine and postpartum infections occur infrequently.
Most cases of neonatal herpes result from maternal infection and transmission, usually during passage through a contaminated infected birth canal of a mother with ... | 8,908 | medmcqa_train |
Ovum is released due to | Ovulation-the discharge of a secondary oocyte from the Graafian follicle; in an adult woman, this normally occurs at intervals of about28 days and alternates between the two ovaries. As a rule, only one secondary oocyte is produced, but occasionally ovulation produces two or more; if more than one subsequently become f... | 8,909 | medmcqa_train |
Sholy after the administration of an inhalational anesthetic and succinylcholine for intubation prior to an elective inguinal hernia repair in a 10-year-old boy, he becomes markedly febrile, displays a tachycardia of 160, and his urine changes color to a dark red. Which of the following is the most appropriate treatmen... | The cause of malignant hypehermia is unknown, but it is associated with inhalational anesthetic agents and succinylcholine. It may develop in an otherwise healthy person who has tolerated previous surgery without incident. It should be suspected in the presence of a history of unexplained fever, muscle or connective ti... | 8,910 | medmcqa_train |
A gastric biopsy is performed on a patient with suspected graft-versus-host disease following bone marrow transplantation. The biopsy demonstrates many isolated dying epithelial cells in crypts showing fragmented, hyperchromatic nuclei and small discrete blebs containing both cytoplasm and nuclear fragments. The biopsy... | The changes described are those of apoptosis, which is a form of programmed cell death. Apoptosis can be seen in a variety of settings. In this case, it is occurring in the context of graft-versus-host disease, which is mediated by CD8+ and CD4+ cells. Apoptosis also occurs during embryogenesis, during hormone-dependen... | 8,911 | medmcqa_train |
Varenicline is used in | Varenicline is a prescription medication used to treat smoking addiction. This medication is the first approved nicotinic receptor paial agonist. Specifically, varenicline is a paial agonist of the alpha4/beta2 subtype of the nicotinic acetylcholine receptor Ref Davidson 23rd edition pg 578 | 8,912 | medmcqa_train |
Cyst seen in vagina are all except: | Ans: A (Nebothian cyst) Ref: Shows Textbook of Gynecology 15th ed pg 136Explanation:VAGINAL CYSTSVaginal cysts are rare and are located more commonly in anterior vaginal wallGartner's cystArises from remnants of mesonephric ductLies in anterolateral aspect of vaginal wallSmall cyst is asymptomaticLarge cyst causes dysp... | 8,913 | medmcqa_train |
Features of achalsia cardia are all of the following except: March 2009 | Ans. C: Rat-tail deformity and filling defect on barium study Dysphagia is the most common presenting symptom in patients with achalasia. The ingestion of either solids or liquids can result in dysphagia. Emotional stress and the ingestion of cold liquids are well-known exacerbating or precipitating factors. 80-90% of ... | 8,914 | medmcqa_train |
A 6 year old girl presents with Recurrent E.coli infection in urine. Ultrasound of abdomen shows Hydroureter and Hydronephrosis. Micturating cysto – urethrogram shows filling defect in urinary bladder. The likely diagnosis is – | IVP in ureterocele usually shows a round filling defect, sometimes large, in the bladder corresponding to the ureterocele, and characteristic finding of duplication of the collecting system (ureteroceles are nearly always associated with ureteral duplication)
Ureterocele :
Is a cystic dilatation of the terminal ureter... | 8,915 | medmcqa_train |
Orchidopexy is done in cases of undescended testes at the age of | Ans. is 'a' i.e. Infancy Campbell's Urology writes - "Definitive treatment of an undescended testis should take place between 6 and 12 months of age. Because spontaneous descent occurs in most boys by 3 months of age and uncommonly thereafter, earlier interventions should be considered in order to theoretically prevent... | 8,916 | medmcqa_train |
A 45 year old woman develops abdominal and pelvic discomfo. Physical examination reveals a large mass in the right lower quadrant, which is surgically resected. The mass consists of a large (25 cm) cystic sac containing thick mucinous fluid within a thin wall. On careful inspection, the pathologist finds an area of inc... | Classification of ovarian tumors, like testicular tumors, is based on putative cell of origin. Thus, ovarian tumors can be divided into neoplasms of germ cells,surface epithelium, or stromal origin. Two thirds of all ovarian neoplasms derive from the surface (coelomic) epithelium. These cystic tumors may contain clear ... | 8,917 | medmcqa_train |
A man is brought to casualty who met with A. He sustained multiple rib fractures with paradoxical movement of chest. Management is | Ventilator suppo with IPPV(intermittent positive pressure ventilation) is the treatment of choice.Assisted ventilation is required for several days until the chest wall stabilises.If ventilator suppo is required for more than 10 days,then tracheostomy is done to prevent laryngeal stenosis which can occur due to prolong... | 8,918 | medmcqa_train |
The hookworm thrives on ? | Ans. is 'b' i.e., Plasma Hook worms Ancylostoma duodenale - Old world hookworm Nector americanus - New world hook worm Habitat - Small intestine (Jejunum > duodenum > Ileum) Infective form - Filariform larva Mode of infection - Penetration of skin Plasma forms the main source of nourishment for hookworm, the red blood ... | 8,919 | medmcqa_train |
Following drugs are the first choice in treating patients with candidiasis except- | Ans. is "d' i.e., Caspofungin Choice of drugs for systemic mycosesDiseaseDrugs1st Choice2nd Choice1) Candidiasisoral/vaginal / cutameous deep / invasive AMB/VORIAMB/VORIHRFLU/CAS/POSA2. CryptococcosisAMB/+-5-FCFLU3. HistoplasmosisITR/AMBFLU4. CoccidioidomycosisAMB/FLUITR.'KTZ5. BlastomycosisITR/AMBKTZ/FLU6. Sporotricho... | 8,920 | medmcqa_train |
All of the following are anti HIV agents except ? | Ans. is 'b' i.e., Acyclovir | 8,921 | medmcqa_train |
Which one of the following drugs of abuse is most typically associated with the illustrated complication?? | Answer C. CocainePerforation of the nasal septum and palate are well recognized complications of intranasal cocaine use. | 8,922 | medmcqa_train |
Most common symptom associated with adult OCD? | (a) Pathological doubt, Ref: Complete review of psychiatry by Dr. Prashant Agrawal, ed.,, 2018, ch- 7, pg. 164 Explanation: Variable % Obsessions (N=200) Contamination 45 Pathological doubt 42 Somatic 36 Need for symmetry 31 Aggressive 28 Sexual 26 Other 13 Multiple obsessions 60 Compulsions (N=200) Checking 63 Washing... | 8,923 | medmcqa_train |
Pralidoxime acts by - | Ans. is 'a' i.e., Reactivating cholinesterase enzyme o Pralidoxime is most commonly used cholinesterase reactivater.OXIMESo Oximes 1 Pralidoxime 2-PAM, obidoxime and diacetyl-monoxime (DAM)J are used in organophosphatepoisoning.o Oximes acts by reactivating cholinesterase enzyme.o Mechanism of actionIn organophosphate ... | 8,924 | medmcqa_train |
Malignant cells in urine cytology are most commonly seen in | Ans. c (Urothelial carcinoma). (Ref. Harrison's Medicine 17th ed. 555)# Urothelial malignancy classically shows polychronotropism & multicentricity.# In urothelial or transitional carcinoma of renal pelvis or ureter, the examination of urine for malignant cells is positive and even may indicate whether tumor is well or... | 8,925 | medmcqa_train |
Surya kant is prescribed with first generation antihistaminic. He should be advised to avoid: | Ans. A. Driving motor cycleFirst generation antihistaminic like promethazine, diphenhydramine crosses the blood brain barrier and have higher incidence of sedation. Another property of these drugs is that they show anticholinergic side effects. Due to this patient is asked not to drive any vehicle. | 8,926 | medmcqa_train |
Pivot shift test is positive with | Ans. a (Anterior cruciate ligament tear) (Ref. Adam's orthopedics 11th/pg, 315-325)Knee Joint Injuries1Normal range of motion# Flexion: 135 degrees# Extension: 0 to 10 degrees above horizontal plane2Patellar apprehension test# Evaluates for patella subluxation3Anterior cruciate ligament (ACL) stability tests# Lachman t... | 8,927 | medmcqa_train |
Antidepressant drug used in nocturnal eneuresis is - | Drugs used in nocturnal enuresis are imipramine and desmopressine. | 8,928 | medmcqa_train |
A pregnant lady at 32 weeks of gestation presents with a BP of 160/110 mmHg, proteinuria with retinal haemorrhage. What is the definitive treatment of choice in this patient? | This patient is showing features of severe hypeension which is an indication for delivery. Induction of labour is the definitive treatment of choice which is most preferable. In order to prevent the onset of seizures magnesium sulfate prophylaxis should be given. Features of severe pre eclampsia are: BP > 160/110 >- 3 ... | 8,929 | medmcqa_train |
Chromosome in which centromere is close to one end which result in short arm being very short is which type of chromosome? | Ans. d (Acrocentric). (Ref. Cell & Molecular Biology by DeRobertis, 7th /pg. 348)CHROMOSOMES# The entire genetic information contained in the genes is packaged in the chromosomes. All the somatic cells of an individual organism contain the same number of chromosomes.# Genes are arranged linearly on the chromosomes and ... | 8,930 | medmcqa_train |
Which among the following is a mechanism of action of colchicine? | Colchicine is known to suppress many immune functions in the setting of crystal induced ahritis by 1. decreasing neutrophil chemotaxis 2. decreasing neutrophil adhesion 3. decreasing release of multiple inflammatory mediators 4. decreasing phagocytosis of urate crystals by neutrophils. Mechanism: Colchicine binds to tu... | 8,931 | medmcqa_train |
About Kawasaki disease all are true, EXCEPT: | Suppurative lymphadenopathy | 8,932 | medmcqa_train |
Which of the following is a L-type calcium channel blocker: | Ans. (d) All of the aboveRef. KDT 6th ed. / 528Types of Calcium Channel Blocker L-Type (long lasting current)T-type (transient current)N-Type (neuronal)Locations and function* Excitation -contraction coupling in cardiac and smooth muscle* SA, A-V node: conductivity* Endocrine cell: Hormone release* Neurons: transmitter... | 8,933 | medmcqa_train |
Male to male transmission is seen in - | Robbins basic pathology 9th edition page no 218,Heading=Transmission patterns of single-gene disorders Disorders of autosomal dominant inheritance are manifested in the heterozygous state, so atleast one parent in an index case usually is affected, both males and females are affected, both males and females are affecte... | 8,934 | medmcqa_train |
Sputum from one patient is disinfected immediately following expectoration, this is known as: | Ans: a (Concurrent) Ref: Park, 19th ed, p. 108Sterilization is the process of destroying all life including spores.Disinfection- is the killing of infectious agents outside the body by direct exposure to chemical or physical agents.Types of disinfection:a) Concurrent disinfection- It is the application of disinfective ... | 8,935 | medmcqa_train |
'Sequestration' is best defined as: | Ans. B. A piece of dead bone surrounded by infected tissue (Ref. Maheshwari ortho 3rd/pg.l60)Maheshwari orthopaedics 3rd/pg. 160...."Sequestrum is a piece of dead bone, surrounded by infected granulation tissue trying to 'eat' the Sequestrum away"CHRONIC OSTEOMYELITISPresents in 3 forms:A. Chronic osteomyelitis seconda... | 8,936 | medmcqa_train |
Dose of Rabies immunoglobulin is? | Anti rabies serum is given in class III bites (Single or multiple transdermal bites or scratches, licks on broken skin, Contamination of mucous membranes with aalvia, exposure to bats)
It is found to prolong the incubation period.
Passive immunization in rabies may be given by :
Horse Anti-rabies serum : 40 IU/kg body ... | 8,937 | medmcqa_train |
Progressive cognitive impairment is Alzheimer's disease is characterized by | Memory impairment is typically an early and prominent feature in dementia, especially in dementias involving the coex, such as dementia of the Alzheimer's type. Early in the course of dementia, memory impairment is mild and usually most marked for recent events. As the course of dementia progresses, memory impairment b... | 8,938 | medmcqa_train |
Mesothelioma is most commonly caused by? | Ans. (a) AsbestosisRef: Harrison 19th ed. /1689* Working with asbestos is the most common risk factor for mesothelioma.* Indeed, the relationship between asbestos and mesothelioma is so strong that many consider mesothelioma a "signal" or "sentinel" tumor.* In rare cases, mesothelioma has also been associated with irra... | 8,939 | medmcqa_train |
Which of the following is true about typhoid? | Convalescent carriers excrete the bacilli for 6-8 weeks.Persons who excrete the bacilli for more than a year after a clinical attack are called chronic carriers.In chronic carriers, the organism persists in the gallbladder. Vi antibodies are present in about 80% 0f chronic carriersFecal carriers are more frequent than ... | 8,940 | medmcqa_train |
A 5 yr. old male child has multiple hyperpigmented macules over the trunk. On rubbing the lesion with rounded end of pen, he developed urticarial wheal, confined to border of lesion, most likely diagnosis is: | Ans. C. Urticaria pigmentosa* It is urticaria pigmentosa.* It is cutaneous mastocytosis presenting with pigmented lesions.* On rubbing the lesions mast cells degranulate releasing histamine.* This produces the wheal and flare of the lesion. It is known as Darier's sign.Epidermal acantholysis in mid epidermis with "dila... | 8,941 | medmcqa_train |
Long term control of diabetes is assessed by | Ans. D i.e. HbA1c | 8,942 | medmcqa_train |
Primary open-angle glaucoma is associated with all of the following except: | Ans. Pars planitis | 8,943 | medmcqa_train |
Direction of water jet while doing syringing of ear should be: | In syringing (done to remove impacted wax) pinna is pulled upwards and backwards and a stream of water from the ear syringe is directed along the posterosuperior wall of the meatus. | 8,944 | medmcqa_train |
Biological value is maximum of: | Egg | 8,945 | medmcqa_train |
Among the given hormones which are stored the longest in a cell | Hormone Supply Stored in CellSteroids and 1,25(OH)2-D3NoneCatecholamines and PTHHoursInsulin DaysT3 and T4WeeksRef: Harper; 30th edition; Pg:515 | 8,946 | medmcqa_train |
Not a feature of Treacher-Collins syndrome: | Ans. D. Mongoloid slant of palpable fissureMandibulofacial dysostosis is also known as Franceschetti-Klein syndrome or Treacher-Collins syndrome.Important features are as under:MicrognathiaColobomas of lower eyelidSunken cheek bonesBlind fistulas between the angles of mouth and earsDeformed pinnasAtypical hair growth e... | 8,947 | medmcqa_train |
Most potent stimulator of NaiveT-cells - | Question repeated | 8,948 | medmcqa_train |
Layers of the scalp include all of the following except- | Ans. is 'b' i.e., Adventitious layer Layers of scalp have been explained in NEET Dec.-16 | 8,949 | medmcqa_train |
Binge eating disorder is characterized by ? | Ans. C. ObesityBinge eating disorder (BED) is characterized by insatiable cravings that can occur any time day or night, usually secretive, and filled with shame.There are no comPensatory mechanisms associated with the binge to get rid of calories, so individulas with BED are more likely to be overweight or obese, whil... | 8,950 | medmcqa_train |
Anemia of chronic disease is characterised by | (Ref: Robbins 8/e p662)
Anemia of chronic disease- Impaired red cell production associated with any chronic diseases that would be infectious/inflammatory/neoplastic.
Chronic diseases produce a cytokine “IL-6” that increases the production of hepcidin from liver. Hepcidin inhibits ferroportin function in macrophages ... | 8,951 | medmcqa_train |
Choose the true statement about mit DNA: | Ans. D. It codes for less than 20% of the proteins involved in respiratory chainIn ETC there are around 67 subunits, out it 13 proteins are coded by Mit DNA, which comes around 19%.Mitochondrial DNA has high mutation rate almost 5 to 10 times that of nuclear DNA.It has 16,569 bpMitochondrial DNA has maternal inheritanc... | 8,952 | medmcqa_train |
Cataract in newborn is: | Ans. Zonular | 8,953 | medmcqa_train |
Drug of choice for treatment of type 2 Brittle Asthma is - | Ans. is 'd' i.e., Subcutaneous epinephrine o Brittle asthma is a type of asthma distinguishable from other forms by recurrent, severe attacks.o There are two subtypes divided by symptoms: Type 1 and Type 2, depending on the stability of the patient's maximum speed of expiration, or peak expiratory flow rate (PEFR).o Br... | 8,954 | medmcqa_train |
A 22-year-old woman is admitted to the hospital because of right-hand anaesthesia, that developed after an argument with her brother. She is in good spirits and seems unconcerned about her problem. There is no history of physical trauma. The neurologic examination is negative EXCEPT for reduced sensitivity to pain in a... | (D) Conversion disorder # Conversion disorder is characterized by symptoms or deficits of die voluntary motor or sensory functions dial cannot be explained by neurological or other medical conditions.> These symptoms are precipitated by psychological conflicts.> Term 'Hysteria' was used in die nineteenth century (and d... | 8,955 | medmcqa_train |
A patient with ASD has the murmur similar to mitral regurgitation and left axis detion of 40 degrees. He is likely having: | Presence of pansystolic murmur of mitral regurgitation in a patient with ASD suggests the presence of ostium primum defect with cleft mitral leaflet or a floppy mitral valve with mitral valve prolapse. ECG shows right axis detion in ASD, and extreme left axis detion in ostium primum ASD. Clinical presentation of ostium... | 8,956 | medmcqa_train |
GLUT 4 is present in - | Ans. is 'c' i.e., Cardiac muscle* GLUT4 transporters mediate insulin dependent glucose uptake in skeletal muscle, cardiac muscle and adipose tissue | 8,957 | medmcqa_train |
Which is the best test to detect pulmonary embolism | CTPA is the first-line diagnostic test. It has the advantage of visualising the distribution and extent of the emboli or highlighting an alternative diagnosis, such as consolidation, pneumothorax or aoic dissection. The sensitivity of CT scanning may be increased by simultaneous visualisation of the femoraland poplitea... | 8,958 | medmcqa_train |
A 54-year-old clerk complains of having had dysphagia for 15 years. The clinical diagnosis of achalasia is confirmed by a barium study. What is TRUE in this condition? | Dysphagia in esophageal achalasia is described as paradoxical in that it is more pronounced for liquids than solids. There are numerous reports of an increased incidence of carcinoma in achalasia, ranging from 3% to 10%. In 1975, Belsey reported a 10%. incidence in 81 patients in whom symptoms tended to occur at a youn... | 8,959 | medmcqa_train |
Uveitis is caused by all except: | Ans. Klebsiella | 8,960 | medmcqa_train |
Which of the following is false regarding plasmid | Plasmids contain their own signals for replication and can replicate independently. | 8,961 | medmcqa_train |
Commonest cause of right ventricular failure is ? | Ans. is 'd' i.e., Left ventricular failureRight sided hea failureo Most common cause of right sided hea failure is left sided hea failure, i.e. right hea failure occurs as a consequence of left hea failure because left hea failure increases pressure in pulmonary circulation that produces an increased burden on the righ... | 8,962 | medmcqa_train |
Which of the following anti-histaminie has very less cholinergic side effects? | Loratidine is a second generation anti-histamine which has lesser sedation and cholinergic side effects. | 8,963 | medmcqa_train |
following are decomposition changes except | Decomposition changes Discoloration: greenish discoloration of right iliac fossa due to sulphmethemoglobin, marbling, discoloration under surface of liver, staining of aoa, blackish discoloration of skin is due to formation of ferric sulphide. Distension: abdomen, breasts, penis, scrotum, face bloated, eyes budget out ... | 8,964 | medmcqa_train |
A 31 year old female patient complaints of bilateral impairment of hearing for the past 5 years. On examination, tympanic membrane is normal and audiogram shows a bilateral conductive deafness. Impedance audiometry shows normal curve and acoustic reflexes are absent. All of the following constitute pa of its treatment,... | The patient is showing features of otosclerosis. It is a condition due to new spongy bone formation. About 50% of the cases may have a positive family history and deafness stas between the age of 20-30 years. Non surgical treatment of otosclerosis includes use of hearing aid and sodium fluoride. Use of high doses of so... | 8,965 | medmcqa_train |
A 43-yrs-old female patients, who has sustained a head injury in a fall, has significant problems wit memory. Her brain injury is most likely to the | The area of the brain most closely associated with memory is the temporal lobe, paicularly the hippocampus. PE presents with a syncopal episode up to 15 percent of the time. Altered mental status and generalized seizures may also be the presenting complaint, especially in the elderly. The most common presenting symptom... | 8,966 | medmcqa_train |
Which among the following is not a beta lactamase resistant Penicillin? | Ans. is 'b' i.e., Carbenicillin | 8,967 | medmcqa_train |
Class IV Kennedy Classification is: | The following is the Kennedy classification:
Class I: Bilateral edentulous areas located posterior to the natural teeth.
Class II: A unilateral edentulous area located posterior to the remaining natural teeth.
Class III: A unilateral edentulous are with natural teeth remaining both anterior and posterior to it.
Class I... | 8,968 | medmcqa_train |
Earliest fetal anomaly to be detected by USG : | Anencephaly | 8,969 | medmcqa_train |
A 54-year-old male nonsmoker is seen with complaints of a flulike illness. Initial symptomatic treatment is provided. Two days later, he returns, as he is still not feeling well. His primary physician prescribes a macrolide along with the symptomatic treatment. After 5 days of this treatment, the patient says he is run... | This x-ray shows a nonhomogeneous airspace density in the left middle and lower zones with areas of incomplete consolidation and evolving pneumatocele formation. The left diaphragm is raised and the trachea appears shifted to the left, suggesting loss of volume of the left lung. There is minimal blunting of the left co... | 8,970 | medmcqa_train |
Subclan steal syndrome is due to | Subclan steal syndrome refers to steno-occlusive disease of the proximal subclan aery with retrograde flow in the ipsilateral veebral aery and associated cerebral ischaemic symptoms.CausesClinical presentationIpsilateral upper limbNeurological, radiationCongenital Weak or absent pulseDecreased blood pressure (>20 mmHg)... | 8,971 | medmcqa_train |
GABA is produced from: | Glutamate | 8,972 | medmcqa_train |
Palpatory thud, an audible snap is seen in | A foreign body in trachea may move up and down the trachea between the carnia and the undersurface of vocal cords causing "audible slap" and "palpatory thud&;.Symptoms and signs of foreign bodies at different levelsSite of foreign bodiesSymptoms and signsLarynxChoking, Cyanosis, Complete obstruction leading to death* P... | 8,973 | medmcqa_train |
A drug used in LUMINATE programme for non-infectious uveitis is – | Voclosporin is an immunomodulatory drug which inhibits the enzyme calcineurin. The chemical structure of voclosporin is similar to cyclosporine with a difference in one amino acid, leading to superior calcineurin inhibition and less variability in plasma concentration.
The LUMINATE (Lux Uveitis Multicenter Investigatio... | 8,974 | medmcqa_train |
The nerve root blocked in pudendal block is | Pudendal nerve block : Pudendal nerve arises from S2,3,4. Doesn't relieve the pain of labor Cause perineal analgesia and relaxation Ref: Dutta Obs 9e pg 480. | 8,975 | medmcqa_train |
A 45 year old male , known case of diabetes mellitus from last 15 years ,presents with Diabetic ketoacidosis . What shall be the initial line of management? | Diabetic ketoacidosis (DKA) is a problem that affects people with diabetes . It occurs when the body stas breaking down fat at a rate that is much too fast. The liver processes the fat into a fuel called ketones, which causes the blood to become acidic. Initial management is - 0.9% saline Treatment of choice - Insulin ... | 8,976 | medmcqa_train |
All of the following are true regarding pilonidal sinus except: September 2009 | Ans. A: Seen predominantly in women Pilonidal disease is described back as far as 1833, when Mayo described a hair-containing cyst located just below the coccyx. Hodge coined the term "pilonidal" from its Latin origins in 1880. Pilonidal disease describes a spectrum of clinical presentations, ranging from asymptomatic ... | 8,977 | medmcqa_train |
Fever & hemorrhagic rash are seen in ail except: | Ans: D (Sand,.) [Ref: Ananthanarayan 8th/514.518-19; Harrison 18th/l50,1629; Medical microbiology by Greenwood 16 th /4961The viral HF syndrome is a constellation of findings based on vascular instability and decreased vascular integrity. An assault, direct or indirect, on the microvasculature leads to increased permea... | 8,978 | medmcqa_train |
Argentaffin cells in the GIT produce | Their granules contain a chemical called serotonin, which stimulates smooth muscle contractions. | 8,979 | medmcqa_train |
A 46-year-old man has a swelling in the scrotum. It shows clear transillumination anterior to the testis when a light is applied to the scrotum in a dark room. This physical exam is most consistent with? | In adults, this is diagnostic, but in children, transillumination is also seen in an indirect inguinal hernia. As epididymal cyst may transilluminate but is posterior to the testis. | 8,980 | medmcqa_train |
A 35-year patient recalls episodes where he smells a pungent odor, becomes sweaty and loses consciousness. His family member says while unconscious he was having facial twitching with lip-smacking movements. What is the most probable diagnosis? | The patient is exhibiting focal seizures which are accompanied by transient impairment of patient's ability to maintain normal contact with environment. Chewing, lip smacking, swallowing or picking movements of hands are called Automatism. Full recovery after the episode range from seconds to an hour. Due to involvemen... | 8,981 | medmcqa_train |
Associated with surveillance are all of the following except: September 2007 | Ans. B: Randomisation Disease surveillance is an epidemiological practice by which the spread of disease is monitored in order to establish patterns of progression. The main role of disease surveillance is to predict, observe, and minimize the harm caused by outbreak, epidemic, and pandemic situations, as well as incre... | 8,982 | medmcqa_train |
Conditions associated with an increased risk of squamous cell carcinoma of the oesophagus include all of the following except - | Barret's esophagus predisposes to adenocarcinoma. | 8,983 | medmcqa_train |
Osteoporosis is seen in - | Osteoporosis It refers to reduction ofbone mass per unit volume (loss of matrix and defective mineralisation) (Fig. 9.47). Aetiology 1.Involutional 2.Endocrinological 3.Gastrointestinal 4.Haematological 5.Rheumatological 6.Collagen vascular Normal bone Type I (postmenopausal) and Type II (senile) Hypehyroidism Hyperpar... | 8,984 | medmcqa_train |
The direct filling gold segments can be compacted: | The gold segments can be compacted by hand pressure alone, by hand pressure combined with a hand mallet, or by a mechanical device that is activated by a spring, pneumatic pressure, or electronically (using an electromallet).
The direction of force application, the amount of applied pressure, and the compaction patte... | 8,985 | medmcqa_train |
Acceptable noise levels in bed room | Acceptable noise levels Expressed in dB (A), sound pressure levels conforming to weighting curve (A) Environment Place Acceptable noise level dB(A) Residential Bed room 25 Living room 40 Commercial Office 35-45 Conference 40-45 Restaurants 40-45 Industrial Work shop 40-60 Laboratory 40-50 Educational Class room 30-40 L... | 8,986 | medmcqa_train |
All are causes of hypervolemic hyponatremia except | Causes of hypervolemic hyponatremia Urine sodium concentration >20 mmol/L Acute or chronic renal failure Urine sodium concentration <20 mmol/L Nephrotic syndrome Cirrhosis Cardiac failure Causes of Euvolemic hyponatremia Glucocoicoid deficiency Hypothyroidism Stress Drugs Syndrome of inappropriate antidiuretic hormone ... | 8,987 | medmcqa_train |
Alcaftadine trial used this concentration of drug: | * ALCAFTADINE is a H1 receptor antagonist, and can be used for allergic conjunctivitis* The trial done for alcaftadine used 0.25% solution.* The trial states: "When Alcaftadine was tested against placebo and olopatadine, only Alcaftadine 0.25% was shown to have a clinically significant reduction in conjunctival redness... | 8,988 | medmcqa_train |
Which chromosome is responsible for the production of MIF? | Ref. Robbins Pathology. 9th edition. Page. 148
Anti-Mullerian Hormone (AMH) / Mullerian Inhibiting Factor (MIF); Mullerian-inhibiting Hormone (MIH) / Mullerian-inhibiting Substance (MIS).
AMH - Downstream genes regulated by SRY pathway
SRY - Gene in “Sex determining region” - short arm of Y chromosome - Testis dete... | 8,989 | medmcqa_train |
Which of the following does not form Waldeyer's ring? | Ans-CRef: Diseases of Ear, Nose & Thr oat. by Dhingra 5th edition. Chapter on diseases of pharynxExplanation:Waideyer's ringIt is formed by aggregated collections of lymphoid tissues distributed in the pharyngeal mucosa.It is formed by:AdenoidsPalatine tonsilsLingual tonsilsTubal tonsils in the fossa of RossenmullerLat... | 8,990 | medmcqa_train |
Patient a known case off alcohol dependence after 12 to 18 hrs of last drink develops seizure for the first time in his life.possible diagnosis is rum fits. Treatment for the above mentioned patient after doing his LFT which was within normal limits | Detoxification implies removal of the toxic substance from the body, this can be done by using a drug similar to alcohol and thus benzodiazepine is chosen. This is the main drug used in treatment of alcohol withdrawal despite the problem being simple withdrawal, rum fits or delirium tremens IF LIVER FUNCTION IS WITHIN ... | 8,991 | medmcqa_train |
Smooth muscle relaxant nitric oxide is synthesized from: | Ans. (c) ArginineRef: Harper's Biochemistry 30th edn. 1314, 660-61 | 8,992 | medmcqa_train |
A person presents with fever and altered consciousness. Investigations reveal anemia with fragmented red blood cells, platelet count of 20,000/mm', serum creatinine of 3.0 mg % and normal PT and aPTT. Which of the following is the most appropriate treatment for the patient: | Answer is A (Plasma Exchange Therapy): Plasma Exchange Therapy is the treatment of choice for TTP Pentad of Fever, Microangiopathic Hemolytic Anemia, Thrombocytopenia (platelets count = 20,000), Renal Failure (I'verum creatinine) and Neurological dysfunction (altered consciousness) together with normal tests of coagula... | 8,993 | medmcqa_train |
Mc Ardles diseaae is due to: | Muscle Phosphorylase deficiency | 8,994 | medmcqa_train |
In Tzank smear multinucleated cells are seen in: | A i.e. Chicken pox - In patients with vesico-bullous lesions and oral ulcer (mucosal involvement), the diagnosis is pemphigus vulgaris and the bed side diagnostic Tzank test from floor of bullae shows acantholysis with numerous acantholytic keratinocyte cellsQ. In Tzank smear diagnostic multinucleated giant cells with ... | 8,995 | medmcqa_train |
Drug of choice for the treatment of type 2 Brittle Asthma is? | Type 2 Brittle asthma, are symptom-free patients developing sudden onset acute attack of asthma requiring mechanical ventilation or even death. These patients should ideally keep an auto-injector of epinephrine. Type 1 Brittle asthma is characterized by >40% variation in P.E.F.R for >50% of the time. It is managed with... | 8,996 | medmcqa_train |
A 3 year old boy was admitted to the hospital for high fever and difficulty in breathing. He had been well until 4 days before admission, when he developed sneezing and a runny and stuffy nose followed by a non-productive cough on next day. This was followed by appearance of characteristic rash on face, trunk, extremit... | This is a case of measles. The face is completely erythematous and there is an erythematous maculopapular rash on the trunk and extremities, with large confluent areas on the back. 3RD image shows the classical appearance of the Koplik spots, an exanthem (mucosal rash) that is felt to be pathognomonic (distinctly chara... | 8,997 | medmcqa_train |
In which of the following, 'Zellballens' are seen? | Ans. C. Pheochromocytoma. (Ref. Robbin's 8th/pg. 1159)Robbins pathology 8th edition, page no.1159.......# Microscopically, pheochromocytomas are composed of polygonal to spindle-shaped chromaffin cells and their supporting cells, compartmentalized into small nests, or "Zellballen," by a rich vascular network.Histopatho... | 8,998 | medmcqa_train |
The minimum level of TSH that can he detected by TSH assay of the third generation thyroid function tests is which of the following? | Functional sensitivities for three generations of TSH assays: First generation: Functional sensitivity is 1-2 IU/mL Second generation: Functional sensitivity is 0.1-0.2 IU/mL Third generation: Functional sensitivity is 0.01-0.02 IU/mL Among the options more appropriate is 0.04 IU/mL Ref: Aicle: Evolution of TSH Assays:... | 8,999 | medmcqa_train |
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