query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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An increased incidence of vitiligo is found in: | D i.e. Diabetes mellitus | 153,700 | medmcqa_train |
Appendicitis like syndrome is caused by: | Yersinia pseudotuberculosis causes mesentric adenitis leading to Pseudoappendicitis. | 153,701 | medmcqa_train |
A patient of renal failure has been diagnosed with cholera, so which of the tetracyclines is most suitable for the patient: | All tetracyclines are excreted primarily in the urine except doxycycline. Doxycycline is excreted in the faeces and thus can be used in the presence of renal failure. | 153,702 | medmcqa_train |
All of the following may be associated with Beta 2 agonist treatment, EXCEPT: | Beta 2 agonists stimulate the uptake of potassium into the cells which results in hypokalemia and not hyperkalemia as mentioned above. Beta 2 agonists administered in the parenteral form or as nebulisation can be used in the management of hyperkalemia by promoting cellular intake. Ref: Harrison's Textbook of Internal M... | 153,703 | medmcqa_train |
The maximum age for growth of lymphoid tissue – | The growth of lymphoid tissue is most notable during mid-childhood.
Children between 4 and 8 years of age often have hypertrophied tonsils and large lymph nodes, which is infact a sign of lymphoid hyperplasia. | 153,704 | medmcqa_train |
All are true about Rotator cuff syndrome except: | Ans: (Fracture) Ref: Apley's System of Orthopedics and Fractures, 9th ed, pg 341.Explanation:The most common cause of pain around the shoulder is a disorder of the rotator cuff.This is sometimes referred to rather loosely as 'rotator cuff syndrome'It comprises at least four conditions with distinct clinical features an... | 153,705 | medmcqa_train |
What is another name for buccal coitus? | Ans. is 'b' i.e., Sin of Gomorrah Buccal coitus (coitus per os/sin of gomorrah) In this, the male organ is introduced into mouth, usually of a young child. Fellatio is oral stimulation of penis by male or female. Cunnilingus is oral stimulation of female genitals. | 153,706 | medmcqa_train |
Larvae of which of the following resides in the muscle? | Infection of Trichinella is initiated by ingestion of ble larvae in raw or undercooked meat. Digestive action liberates the larvae. The liberated larvae develop into adults in the duodenum and jejunum, where they mate and bear offspring. The adult worms are expelled in the stool. The newborn larvae penetrate the intest... | 153,707 | medmcqa_train |
Which test is shown below? | Galeazzi's test: Performed between 3-8 month aged children in unilateral cases of developmental dysplasia of hip(DDH). Child is in supine position with the hip and knee in flexion Positive Galeazzi test- Limb-length discrepancy and reduced abduction in flexion of the left hip. Clinical Diagnosis - DDH : 1. Abduction is... | 153,708 | medmcqa_train |
Principle of Bone dilatation under the principles of exodontia is primarily utilized by: | Dilatation of Alveolus| Bony Socket
Expansion of Bony Socket
Principle of bone dilatation.
1º utilized By : Forceps
Less by elevators | 153,709 | medmcqa_train |
Baby '0* positive, blood group, mother Rh negative, cord bilirubin 7 mg%, conjugated I now treatment is? | Ans. is 'd' i.e., Stop breast tad and prepare for exchange blood transfusion | 153,710 | medmcqa_train |
During Intervertebral disc prolapse, which part of the disc prolapses in spinal canal? | Ans. D. Nucleus Pulposusa. Intervertebral disc is made up of two partsb. Outer-Annulus fibrosusc. Inner- Nucleus pulposusd. It is the central part of the disc i.e. nucleus pulposus, which prolapses into the spinal canal. | 153,711 | medmcqa_train |
Edema in nephrotic syndrome is due to aEUR' | Hypoalbuminemia Edema is one of the major clinical manifestations of nephritic syndrome. Two major factors have been thought to be responsible for this problem and it is likely that both contribute to a variable decree in individual patients. i) Low colloid oncotic pressure :? - In nephrotic syndrome the initial event ... | 153,712 | medmcqa_train |
Which of he following devices doesn’t use the principle of fluorescence in diagnosis of caries | DIAGNOdent is an instrument designed to facilitate the detection and quantification of dental caries on occlusal and smooth surfaces (Kaltenbach & Voigt GmbH & Co., Biberach/Riss, Germany). It uses a diode laser light source and a fibreoptic cable that transmits the light to a handheld probe with a fibreopt... | 153,713 | medmcqa_train |
Which of the following is false about vaginal hydrocele | Not all hydrocele are transillumination positive.
Secondary hydrocoele have turbid fluid collection. | 153,714 | medmcqa_train |
A 42-year-old man is being followed up for worsening involuntary jerky movements. During the course of his disease, he develops depression and progressive dementia. Within several years he dies, and during an autopsy, bilateral atrophy of the caudate nuclei is found. What is the basic abnormality involved in this indiv... | Bilateral atrophy of the caudate nuclei is characteristic of Huntington disease, an inherited autosomal dominant disease that is characterized by the combination of choreiform movements, depression, and progressive dementia. This disorder results from increased numbers of trinucleotide repeats within the HD gene. Thus,... | 153,715 | medmcqa_train |
Which of the following viruses does not produce viral esophagitis ? | The primary infectious causes of esophagitis are fungal and viral. The most common fungal infection causing esophagitis, and the most common form of infectious esophagitis overall, is Candida esophagitis. Viral esophagitis is generally caused by one of two viruses: herpes simplex virus or cytomegalovirus Ref Davidson e... | 153,716 | medmcqa_train |
A 74-year-old man with a previous episode of gout is given allopurinol. Which of the following is the most likely mechanism of action for this medication? | Allopurinol effectively blocks uric acid production by inhibiting xanthine oxidase. Allopurinol is indicated in patients with a history of uric acid calculi of the urinary tract. In addition, it is often used in patients with malignancy (e.g., leukemia, lymphoma), particularly when chemotherapy or radiation therapy is ... | 153,717 | medmcqa_train |
All of following are false about bleaching powder except- | Ans. is 'd' i.e., Unstable compound on storage Bleaching powder o Bleaching powder or chlorinated lime is white amorphous powder with pungent smell of chlorine. o It contains about 33% of available chlorine. o Used for disinfection of water, feces, & urine, and as a deodorant. o 5% solution is suitable for disinfection... | 153,718 | medmcqa_train |
The karyotype of a patient with Androgen Insensitivity Syndrome is – | An individual with 'androgen insensitivity syndrome' are XY individuals (male karyotype) with a female phenotype. Mutation in the androgen receptor causes resistance to androgen action and the androgen insensitivity syndrome results. | 153,719 | medmcqa_train |
Major portion of auricle is supplied by: | Ans. (a) Greater auricular nerveRef: Dhingra's ENT 6th ed/4* Greater auricular nerve has major contribution of auricle. It supplies major portion on lateral aspect as well as on the medial aspect. | 153,720 | medmcqa_train |
Crude bih rate is a simplest measure of feility because it includes | Crude bih rate : Number of live bihs in a year per 1000 mid-year population CBR is simplest indicator of feility : Total mid-year population is not exposed to Child bearing thus it doesnot give true idea of feility Ref: Park 25th edition Pgno : 539 | 153,721 | medmcqa_train |
Shine-Dalgarno sequence in bacterial mRNA is near | SD sequence is located-6 to -10 bp from initiating AUG codon on m-RNA molecule near its 5' end. It is seen in prokaryotes only.
Kozak consenses sequence is present in eukaryotes. This sequence surrounds AUG & determines the initiating codon of m-RNA. | 153,722 | medmcqa_train |
The following anaesthetic induction agent should be avoided in a 4-year old boy with temporal lobe seizure | (C) Ketamine # Ketamine is contraindicated in: If Blood pressure is significantly elevated; Hypersensitivity to drug;> Anticipated airway obstruction;> Raised intracranial pressure.> Open eye injury, intrathecal (should be preservative active free) | 153,723 | medmcqa_train |
Which drug can be given subdermally - | Ans. is 'd' i.e., Progesterone [ style="font-size: 1.04761904761905em; font-family: Times New Roman, Times, serif; margin: 0 0 8pt 8px; text-indent: 0; text-align: left">o Progesterone can be given in the form of subdermal implant.o Subdermal contraceptive implants involve the delivery of a steroid progestin from polym... | 153,724 | medmcqa_train |
Orbital cellulitis most commonly occurs after infection of which of the following sinuses? | Bacterial orbital cellulitis is most commonly caused by the spread of infection in the ethmoid sinus into the orbit directly through the lamina papyracea or by travelling through the anterior and posterior ethmoid vessels. | 153,725 | medmcqa_train |
Which of the following factors acts as vesicle targeting: | Genes RAS - RAS gene they make RAS protein. they are GTP binding protein They regulate the cell cycle by RAS P 21 gene The mutation of RAS protooncogene is the single-most dominant cause of many human tumors. RAB - RAB is protein of RAS super family. they play role in membrane trafficking, vesicle transpo, vesicle fusi... | 153,726 | medmcqa_train |
Which of the following score evaluates chances of amputation in a traumatized limb: | D i.e. MES score. Mangled Extremity Severity Score (MESS) used to predict necessity of amputation after lower extremity trauma Variables skeletal and soft tissue injury (graded 1-4) limb ischemia (graded 1-3) shock (graded 0-2) age (graded 0-2) Calculation score determined by adding scores of components in four categor... | 153,727 | medmcqa_train |
Urine formation in intra uterine life stas at | 3 months | 153,728 | medmcqa_train |
Formication and delusion of persecution occurs together in intoxication with which of the following? | Formication is a type of tactile hallucination, in which patient feels that insects or bugs are crawling under his skin. Such type of hallucination is seen in case of cocaine intoxication (cocaine bugs). Delusions of persecution can be seen in cannabis, amphetamine as well as cocaine intoxication or psychosis induced b... | 153,729 | medmcqa_train |
"Problem village" include all EXCEPT: | - A "problem village" has been defined as one where No source of safe water is available within a distance of 1.6 km, or where water is available at a depth of more than 15 metres, or where water source has excess salinity, iron, fluorides and other toxic elements, or where water is exposed to the risk of cholera. | 153,730 | medmcqa_train |
Strabismic amblyopia is more common in patients with | Strabismic amblyopia: It results from prolonged uniocular suppression in children with unilateral constant squint who fixate with normal eye. Ref:- A K KHURANA; pg num:-319 | 153,731 | medmcqa_train |
The blood supply of the pulp is | Pulp is supplied by the various branches of maxillary artery. | 153,732 | medmcqa_train |
True about mesenteric cysts is - | Mesenteric cysts are of following types:
Chylolymphatic (most common)
simple (mesothelial)
Enterogenous
Urogenital remnan
Dermoid (teratomatous cyst)
Chylolymphatic cyst
Usually are congenital, resulting from developmental sequestration of lymphatics.
It is found most frequently in the mesentery of the ... | 153,733 | medmcqa_train |
Cause of False positive D-xylose test include all of the following, Except | Answer is D (Celiac sprue) Celiac sprue is associated with a positive D- xylose and not a False positive Dxylose test. D-xylose Test Positive test ecreased (4) D- Xylose excretion in urine due to malabsorption from gastrointestinal mucosal disease Causes Include Celiac disease Tropical sprue Whipple's disease Other muc... | 153,734 | medmcqa_train |
True about intracellular receptors: | A i.e. Mainly on nuclear surface | 153,735 | medmcqa_train |
One day after a casual sexual encounter with a bisexual man recently diagnosed as antibody-positive for human immunodeficiency virus (HIV), a patient is concerned about whether she may have become infected. A negative antibody titer is obtained. To test for seroconversion, when is the earliest you should reschedule rep... | Persons at high risk for infection by human immunodeficiency virus (HIV) include homosexuals, bisexual males, women having sex with a bisexual or homosexual partner, intravenous drug users, and hemophiliacs. The virus can be transmitted through sexual contact, use of contaminated needles or blood products, and perinata... | 153,736 | medmcqa_train |
In a 10 year old female patient of Asian ethnicity, which of the following methods would be the best approach to estimate the size of unerupted permanent teeth? | The Moyers, Tanaka-Johnston and Staley-Kerber predictions are all based on data from white school children of northern European descent. If the patient fits this population group, the Staley-Kerber method will give the best prediction, followed by the Tanaka-Johnston and Moyers.
On the other hand, if the patient does n... | 153,737 | medmcqa_train |
Pathological manifestation of chronic alcoholism include all of the following except - | Ans. is 'a' i.e., Piecemeal necrosis | 153,738 | medmcqa_train |
Pasteurization is ____________ disinfection | Disinfection of milk by pasteurization, water by chlorine and handwashing may be cited as examples of precurrent infection. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 140 | 153,739 | medmcqa_train |
Crystalline lens of the eye develops from | Answer: c) Surface ectoderm (PARSON 22nd ED, P-5)NEURAL ECTODERMSURFACE ECTODERMMESODERM# Epithelium of iris# Epithelium of ciliary body# Constrictor and dilator pupillae# Retinal pigment epithelium and its 9 sensory layers# Optic vesicle and cup# Optic nerve fibres# Melanocytes# Secondary vitreous# Epithelium of Conju... | 153,740 | medmcqa_train |
37 weeks primi with uterine contraction for 10 hours, cervix is 1 cms dilated and poorly effaced. Management is | The patient is presenting at 37 weeks with mild labor pains for 10 hours. Cervix is 1 cms dilated and is not effaced. Now this can either be a case of false labor pains or it can be prolonged latent phase of labor.
Lack of progress during the latent phase is defined as lack of change or minimal change in cervical effac... | 153,741 | medmcqa_train |
All of the following hereditary conditions prediscope to CNS tumors, except | Heriditary syndromes associated with Brain tumors Syndrome Gene(locus) CNS neoplasm Von Hippel-Lindau VHL (3p) Hemangioblastoma of retina, cerebellum and spinal cord Li-Fraumeni p53 (17p) Malignant glioma Retinoblastoma Rb (13q) Retinoblastoma, pineoblastoma, malignant glioma Neurofibtomatosis type 1(Von Recklinghausen... | 153,742 | medmcqa_train |
Epidemiological triad includes all except | The Epidemiologic Triad consists of an external agent, a host and an environment in which host and agent are brought together, causing the disease to occur in the host. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 39 | 153,743 | medmcqa_train |
In spinal anesthesia which fibers are affected earliest? | Sympathetic preganglionic REF: Morgan 3rd e p-260 Order of blockade in spinal anesthesia: Autonomic preganglionic > Temperature > Prick > Pain > Touch > Pressure > Motor > Vibration | 153,744 | medmcqa_train |
In brow presentation, presenting diameter is/are : | Ans. is c i.e. Mentoveical Brow Presentation : Causes of brow presentation are same as for face presentation. Most common cause -- Flat pelvis. Engaging diameter -- Mentoveical (14cm). There is no mechanism of labour. Diagnosed on P/V by palpating supra orbital ridges and anterior fontanelle. Delivery is by cesarean se... | 153,745 | medmcqa_train |
A 35 year old female has proximal weakness of muscles, ptosis and easy fatigability. The most sensitive test to suggest the diagnosis is: | Single fibre electrophysiology is the most sensitive test for Myasthenia Gravis. The symptoms given in question stem are suggestive of Myasthenia Gravis which is an autoimmune neuromuscular disorder presenting with easy fatigability. Ref: Clinical adult neurology By Jody Corey-Bloomn, Page 332 | 153,746 | medmcqa_train |
Barret's esophagus is commonly associated with one of the following: | Answer is A (Adenocarcinoma) Barret's esophagus is a premalignant lesion and predisposes to adenocarcinoma of the lower (distal) esophagus. | 153,747 | medmcqa_train |
High glycogen content is seen in | Glycogen content is high in white fibres.(REF: TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO - 44) | 153,748 | medmcqa_train |
Le-Foe fracture is for:- | Le-Foe fracture is for facial skeleton. MIDFACE FRACTURE Midface fractures involving the maxilla can be classified by fracture patterns known as Le Fo I, II, and III. Le Fo I Fracture line runs above and parallel to palateQ Effectively separates alveolus and palate from the facial skeleton aboveQ Le Fo II Pyramidal in ... | 153,749 | medmcqa_train |
Glomeruli are present in | Glomeruli are present in cerebellum also. The glomerulus (plural glomeruli) is a spherical structure located in the olfactory bulb of the brain where synapses form between the terminals of the olfactory nerve and the dendrites of mitral, periglomerular and tufted cells Ref ganong's review of medical physiology 25e 767 | 153,750 | medmcqa_train |
Finding acid-fast bacilli within peripheral nerves is most suggestive of: | Lepromatous and tuberculoid leprosy, the major forms of leprosy, are caused by infection with Mycobacterium leprae. Nerve involvement is most typical of the lepromatous form. Histologic sections reveal acid-fast bacilli within peripheral nerves. | 153,751 | medmcqa_train |
The drug used by health workers in the management of acute respiratory infection - | *cotrimoxazole is the drug of choice of treatment of pneumonia *efficacy of cotrimoxazole is to be similiar to ampicillin and procaine penicillin &cure rates are up to 95% *less expensive with little side effects *children with severe pneumonia should be treated with IM benzyl penicillin,ampicillin or chloremphenicol *... | 153,752 | medmcqa_train |
All the following are true regarding Dracunculiasis, EXCEPT: | Dracunculiasis has no diagnostic test for preclinical detection, no vaccine to immune at risk community and no drug to kill any stage of the parasite. The parasites reach adulthood by about 9 - 12 months. Ref: Park, Edition 21, Page - 223 | 153,753 | medmcqa_train |
The commonest benign intramural tumor of the esophagus is - | Leiomyoma is the most common benign neoplasma of esophagus and accounts for two-third of all the benign neoplasms.
They usually arise as intramural growth, most commonly along the distal two-third of the esophagus. | 153,754 | medmcqa_train |
Features seen in common peroneal nerve injury- | Common peroneal nerve injury may result in
- Foot drop
- Weakness of dorsiflexion
- Inability to extend the toes.
- Loss of eversion
- Sensory loss
o Anterior side of leg
o Lateral side of leg
o Dorsum of foot and toes (including medial side of big toe)
Common peroneal nerve inj... | 153,755 | medmcqa_train |
Best management of carcinoid tumor of appendix which is less than 2 cms in size, no involvement of the caecal wall or regional lymphatic spread | Ans. is 'a' i.e., Appendicectomy * Preferred treatment for the carcinoid tumor of appendix which is less than 2 cms in size, no involvement of the caecal wall or regional lymphatic spread is appendicectomy.Carcinoid tumour Of Appendix (synonym: argentaffinoma)* Carcinoid tumours arise in argentaffin tissue (Kulchitsky ... | 153,756 | medmcqa_train |
A 40 year old patient, a known case of cirrhosis develops acute episode of GI bleed .Initial therapy given for 6 hours. Which of the following procedure is useful: | Ans. is 'b' Urgent Endoscopy algorithm for managing acute upper g.i. bleeding :Acute upper G.I bleeding Resuscitative measures | 153,757 | medmcqa_train |
The current neonatal mortality is - | LATEST FIGURES (2017) 1-IMR-37/1000 live births 2-NnMR-25/1000 live births 3-Still BR- 22/1000 TOTAL BIRTHS 4-U5MR-43/1000 live births 5-MMR-167/100000 pregnant females 6-CBR-21 7-CDR-7.2 8-AV. BIRTH WEIGHT-2.8 KG 9-ELIGIBLE COUPLES-15-18% 10-COUPLE PROTECTION RATE-55% | 153,758 | medmcqa_train |
A child is having nocturnal asthmatic attack 2 times in a week, day time attack is 3 times or more, can be categorized as? | Moderate persistent asthma REF: Nelson's pediatrics 17th ed page 767 CLASSIFICATION OF CHILDHOOD ASTHMA: Asthma Days with Nights Lung Long-Term-Control Medication Quick? Severity Symptoms with Function Relief Medication Symptoms Step 1: Mild <3 per week <3 per FEV1 or PEF No daily medication Sho-acting g-agonist Interm... | 153,759 | medmcqa_train |
The subarachnoid space ends at | Arachnoid & dural sheath end at the lower end of the S-2 veebra. Subarachnoid space terminates at the caudal (lower border) S-2 veebra. This is also the ending of the sub-dural space. Ref - BDC 6thedition vol 2 | 153,760 | medmcqa_train |
What is true about Histoplasmosis ? | In early stages it is indistinguishable from T.B. Histoplasmosis Histoplasmosis is a dimorphic fungi i.e. it grows in two forms myeclia and yeast. It grows as mycelia forms, producing spores at 25degC on sabroud's agar and at 37degC it grows as a yeast form. This dimorphism plays a pa in human infection i.e. in their n... | 153,761 | medmcqa_train |
Not used in Health planning ? | The planning cycle involves ; - analysis of the health situation - establishment of objective and goals - assessment of resources - fixing priorities - write up of formulated plan - programming and implementation - monitoring - evaluation Reference : Park's textbook of preventive and social medicine, 23rd edition, pg n... | 153,762 | medmcqa_train |
Which is an example of small vessel vasculitis? | Ans. is 'd' i.e., Churg strauss syndrome a) Large vessel vasculitis: Giant cell arteritis (temporal arteritis), Takayasu arteritis, Cogan syndrome.b) Medium vessel vasculitis: PAN (classical PAN), kawasaki disease, Buerger's disease.c) Small vessel vasculitis ; HSP, Wegner's granulomatosis, microscopic polyangitis, chu... | 153,763 | medmcqa_train |
Pitting of direct filling gold restoration usually
results from: | The gold is first pressed into place by hand, then a condenser of suitable size is used to begin malleting in the center of the mass (often this is done while this first increment is held in position with a holding instrument). Each succeeding step of the condenser overlaps (by half) the previous one as the condenser i... | 153,764 | medmcqa_train |
First Sign of pubertal development in boy is - | Ans. is 'b' i.e., Enlargement of testis o In male - Sequence of change1. Growth of testes (> 3 ml in volume or & thinning of scrotum 2 5 cm in longest diameter)2 Pigmentation of scrotum & growth of penisPubic hairAxillary hairo In female -1. Breast bud - First sign2 Pubic hair3. Menarche | 153,765 | medmcqa_train |
True about primary angle closure glaucoma: | Ans. All | 153,766 | medmcqa_train |
Retroperitoneal fibrosis most commonly presents with | The most impoant clinical aspect of retroperitoneal fibrosis is that the fibrotic process frequently entraps and constricts the ureters thereby causing obstructive uropathy. Retroperitoneal fibrosis - It is a nonspecific, nonsuppurative inflammation of fibro-adipose tissue of unknown cause that produces symptoms by the... | 153,767 | medmcqa_train |
Athletic sustained an injury around the knee joint suspecting cailage damage, which of the following is an investigation of choice? | C i.e. Ahroscopy Ahroscopy followed by MRI is investigation of choice for ligamentous injury of kneeQ. | 153,768 | medmcqa_train |
Gestational diabetes is diagnosed by : | Glucose tolerance test | 153,769 | medmcqa_train |
The health status of children between 0 and 4 years in a community will be adversely affected by all except- | Ans. is 'c' i.e., Maternal hemoglobin 12gm/dL o Maternal health is a major determinant of nutritional status of children. Child's status is adversely affected if : Mother is malnourished (Anemic) Mother is - too young (under 18 years) Mother is - too old (over 35 years) Last child was born too close (Last child born le... | 153,770 | medmcqa_train |
Low serum haptoglobin in hemolysis is masked by | Bile duct obstruction llapatoglobin is a transpo glycoprotein synthesized by the liver. - It is a carrier, for.free Hb in plasma. - Its primary physiological. function is the preservation of iron. - Haptoglobin binds hemoglobin and carries it to the reticuloendothelial system. A decrease in haptoglobin (with normal liv... | 153,771 | medmcqa_train |
Which one of the folllowing organisms is not associated with synergistic gangrene | Necrotising fasciitis is a dangerous and rapidly spreading infection of the fascial planes leading to necrosis of the subcutaneous tissues and overlying skin. It is caused by b-haemolytic streptococci and, occasionally, Staphylococcus aureus, but may take the form of a polymicrobial infection associated with other aero... | 153,772 | medmcqa_train |
Tympanic plexus is formed by- | A i.e. Tympanic | 153,773 | medmcqa_train |
Nabothian follicles occur in: | Cervical erosion: Condition where squamous epithelium of ectocervix is replaced by columnar epithelium which is continuous with endocervix.
It occurs when estrogen levels are high as in pregnancy and use of oral contraceptives (OCP’s).
As a result of healing of an erosion, the mouth of the cervical gland is blocked.... | 153,774 | medmcqa_train |
Which of the following is a contraindication for medical management of Gall stones - | <p >Davidson&;s principles and practice of medicine 22nd edition. *radio opaque gallstones -symptomatic gall stones are best treated surgically by laprolaparoscopic cholecysectomy.</p> | 153,775 | medmcqa_train |
Which of the following is a competitive inhibitor of Succinate Dehydrogenase enzyme? | Most frequently, in competitive inhibition, the inhibitor (I) binds to the substrate-binding poion of the active site thereby blocking access by the substrate. The structures of most classic competitive inhibitors, therefore, tend to resemble the structures of a substrate and thus are termed substrate analogues. Inhibi... | 153,776 | medmcqa_train |
Which of the following autoantibodies is most likely to be present in a patient with SLE? | Ans. A. Anti-ds DNAAnti-ds DNA is present in 65% cases of SLE and is a marker of development of lupus nephritis.Anti Ro is present in 30% cases and is a marker of cutaneous lupus and development of congenital CHB in the baby of mother with SLE. Anti-phospholipid are present in 40% cases and are a marker of recurrent fe... | 153,777 | medmcqa_train |
A patient underwent adrenalectomy in views of B/L pheochromocytoma , 1 day later developed lethargy ,fatigue, low BP and pulse normal No signs of volume deficit , likely course is | ADDISONIAN CRISIS PRESENTATION Sudden penetrating pain in the legs, lower back or abdomen Severe vomiting and diarrhea, resulting in dehydration Low blood pressure, Unexplained shock, usually refractory to fluid and pressor resuscitation Syncope (loss of consciousness) Hypoglycemia Confusion, psychosis, slurred speech ... | 153,778 | medmcqa_train |
Recurrent or residual cancer of nasopharynx after super voltage radiotherapy is treated by: | If nasopharyngeal carcinoma recurs or is not completely regressed after 6500-7000 cGy radiotherapy, it can be treated by any of the above modes. Surgery involves skull-base and is done in only selected cases. | 153,779 | medmcqa_train |
Which of the following cailage has signet ring shape | Cricoid has a signet ring shape and is the only cailage forming a complete ring. Its posterior pa is expanded to form a Lamina while anteriorly it is narrow forming an Arch. Whereas in thyroid-the two alae meet anteriorly forming an angle 90 degrees in males & 120 degrees in females. Cuneiform is rod-shaped and Aryteno... | 153,780 | medmcqa_train |
In Kidney which of the following is true? | Ans. is'd'i.e., Osmolarity of medullary interstitium is more than plasma(Ref: Guyton 12/e p. 334)The renal medulla shows an increasing osmotic pressure with increasing depth.Staing, with an osmolarity of 300 mOsm/L in the coex, the osmolarity reaches a level of 1200-1400 mosm/L at the pelvic tip of the medulla, i.e., T... | 153,781 | medmcqa_train |
Ovarian tumour which is bilateral | Dysgerminoma 10-15% of dysgerninomas are bilateral Dysgerminoma is the only germ cell malignancy that has this significant rate of bilaterily, other germ tumors are rarely being bilateral. Fewer than 5% of all ovarian tumours are germ cell in origin. They include : - Teratonia - Dysgerminoma - Endodermal sinus tumour (... | 153,782 | medmcqa_train |
Streptococcus pneumoniae, true is: | Ans. is 'a' i.e., Vaccine is made from capsular polysaccharide (Ref: Ananthanarayan, 8th/e, p. 223, 9th/e, p. 221)* There are currently two types of pneumococcal vaccines: pneumococcal conjugate vaccine (PCV13) and pneumococcal polysaccharide vaccine (PPSV23).* There are more than 90 types of pneumococcal bacteria.* PC... | 153,783 | medmcqa_train |
Which among the following is the most common cause of early-onset sepsis in neonates? | Early-onset infection (< 3 days) is most often caused by group B beta-hemolytic streptococci (GBS) and gram-negative enteric pathogens (most commonly E coli). Other organisms to consider are non-typeable Haemophilus influenzae, Enterococcus, Staphylococcus aureus, other streptococci and Listeria monocytogenes. Late-ons... | 153,784 | medmcqa_train |
Which of these is false about celiac trunk? | The coeliac trunk is the second branch of the abdominal aoa (the first branches are the paired inferior phrenic aeries). It arises from the anterior aspect of the aoa, at the aoic hiatus of the diaphragm (T12 level). After emerging from the aoa, the coeliac trunk extends approximately 1cm before dividing into three maj... | 153,785 | medmcqa_train |
Not a pa of Retrobulbar space | Equatorial veins are not a pa of retrobulbar space of the orbit Retrobulbar Space/ Central Space / muscular cone Contents: Extra ocular muscles with intermuscular septa Includes Optic nerve Boundaries : > anteriorly - by Posterior pa of tenon's capsule enclosing the globe > peripherally - by four recti muscles and thei... | 153,786 | medmcqa_train |
Most common side effect of phenytoin is: | Side Effect Of Phenytoin
Headache
Nausea
Vomiting
Constipation
Dizziness
Feeling of spinning
Drowsiness
Swelling and bleeding of the gums
Trouble in sleeping or nervousness may occur | 153,787 | medmcqa_train |
Cryoprecipitate is useful in?- | AFIBROGENEMIA It is an inherited blood disorder in which the blood does not clot normally. It occurs when there is a lack (deficiency) of a protein called fibrinogen (or coagulation factor I), which is needed for the blood to clot. Affected individuals may be susceptible to severe bleeding (hemorrhaging) episodes, paic... | 153,788 | medmcqa_train |
Which one of the following not is true regarding choriocarcinoma? | hCG is synthesised by placental syncytiotrophoblast such as in various non-seminomatous germ cell tumours of the testis (e.g. in choriocarcinoma, yolk sac tumour and embryonal carcinoma). However, ectopic hCG production may occur in a variety of non-testicular non-germ cell tumours as well. Ref: TEXTBOOK OF PATHOLOGY 6... | 153,789 | medmcqa_train |
True about sand flea - | Sand fleas occur in the tropical regions of Africa and America. They are also known as Jigger or Chigoe fleas (Tunga penetrans) The feilized female burrows into the skin of the feet, often beneath the nail and cause ulcers. Tetanus and gas gangrene occur as a secondary infection REFERENCE: PARK'S TEXTBOOK OF PREVENTIVE... | 153,790 | medmcqa_train |
Falanga is: | Beating on soles with blunt object | 153,791 | medmcqa_train |
"Anhedonia" seen in schizophrenia is linked to which of the following neurotransmitter abnormality? | Anhedonia refers to the reduced ability to experience pleasure.In animal models severe stress causes nucleus accumbens dopamine neurons to become insensitive to CRF (Coicotropin-Releasing Factor), resulting in reduced dopamine release and increased anhedonia.(Ref: Kaplan and Sadock&;s synopsis of psychiatry Pg 290) | 153,792 | medmcqa_train |
Virchow method of organ removal is ? | Ans. is 'b' i.e., Organs removed one by one Methods of removal of organs Virchow's technique - organs are removed one by one. Cranial cavity is exposed first, followed by thoracic, cervical & abdominal organs. Rokitansky's technique - It involves in situ dissection in pa, combined with en block removal. Lettulle's tech... | 153,793 | medmcqa_train |
False regarding Peutz Jeghers syndrome | It is a autosomal dominant condition.
Other options are right. | 153,794 | medmcqa_train |
A 55-year-old woman has been hospitalized because of recurrent pancreatitis, ARDS, prolonged ileus, and need for parenteral nutrition. She demonstrates weakness, lassitude, ohostatic hypotension, nausea, and fever. Which of the following abnormalities is most likely to explain these symptoms? | Clinical manifestations of adrenocoical insufficiency include hyperkalemia, hyponatremia, hypoglycemia, fever, weight loss, and dehydration. There is excessive sodium loss in the urine, contraction of the plasma volume, and perhaps hypotension or shock. Classic hyperpigmentation is present in chronic Addison disease on... | 153,795 | medmcqa_train |
No. Of Sustainable development goals | On 25 September 2015, UN General Assembly adopted the 2030 Development Agenda titled "Transforming our world: the 2030 Agenda for Sustainable Development".This has 17 Sustainable Development Goals and the associated 169 targets. | 153,796 | medmcqa_train |
Which is a lipotropic factor? | Agents such as choline, methionine, Betaine, inositol, etc. which have the apparent effect of facilitating the removal of fat from liver, and thus prevents accumulation of fat in Liver cells. Such substances which prevent accumulation of fat in liver are said to be 'Lipotropic' ('Lipotropic agents' or 'Lipotropins'). T... | 153,797 | medmcqa_train |
Benzodiazepines are used in treatment of somnambulism, as they- | Somnambulism / Sleep walking Usually seen in children. disorder of NREM sleep No treatment is required in most of the cases ,as it remits itself. BZDs are used if the symptoms are severe as the duration of Stage 2 is increased and that of Stage 3 and 4 is decreased, in which somnambulism is seen. | 153,798 | medmcqa_train |
A person unacclimatised develops pulmonary edema | When they first arrive at a high altitude, many individuals develop transient "mountain sickness." This syndrome devel- ops 8 to 24 h after arrival at altitude and lasts 4 to 8 d. It is characterized by headache, irritability, insomnia, breathlessness, and nausea and vomiting. Its cause is unsettled, but it appears to ... | 153,799 | medmcqa_train |
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