query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
value |
|---|---|---|---|
Frontal lobe function | The frontal lobe plays a large role in voluntary movement. It houses the primary motor coex. The function of the frontal lobe involves the ability to project future consequences resulting from current actions, the choice between good and bad actions (or better and best) (also known as conscience), the override and supp... | 4,700 | medmcqa_train |
Enterobacteriaceae are A/E - rpt | rpt question | 4,701 | medmcqa_train |
Movements taking place during abduction of shoulder joint are all except? | Medial rotation of scapula. Abduction of the ann involves rotation of the scapula as well as movement at the shoulder joint. For every 3deg abduction, a 2 deg abduction occurs in the shoulder joint & 1 deg abduction occurs by rotation of the scapula Also know: Abduction is initiated by the supraspinatus but the deltoid... | 4,702 | medmcqa_train |
Tentative cuts are seen in - | Ans. is 'c' i.e., Suicidal attempt * Hesitation cuts (Tentative cuts or trial cuts) are characteristic features of suicidal attempt. | 4,703 | medmcqa_train |
Nucleus ambiguos is related to all cranial nerve except | Cells in nucleus ambiguous contain motor neurons associated with three cranial nerves : (rostral pole-glossopharyngeal; middle pa-vagus; caudal pole-spine accessory). Axons arising from nucleus ambiguous pass laterally and slightly ventrally to exit the medulla just dorsal to the inferior olive. Facial nerve nuclei are... | 4,704 | medmcqa_train |
Chandler Index is 225. What is the interpretation? | Chandler Index This is the average number of hookworm eggs per gram of faeces for the entire community (Average number of eggs per gram of stools). (Ref. Park PSM 18thed.195) | 4,705 | medmcqa_train |
According to cephalo caudal gradient of growth axis of growth: | Axis of growth increases from Head towards Feet
3rd month IU = Head 50% of Body length
Birth : Head 30% of body length
Adult = Head 12% of that of body length. | 4,706 | medmcqa_train |
Capsule of pneumococcus is: | Polysaccharide | 4,707 | medmcqa_train |
Vectors for Plague transmission | The commonest and the most efficient vector of plague is the rat flea , X. cheopis, but other fleas may also transmit the infection, e.g., X. astia, X. brasiliensis and Pulex irritans(human flea). Both sexes of the flea bite and transmit the disease. Ref: Pg No:320;park Textbook ,25th Edition | 4,708 | medmcqa_train |
Drug of choice for cheese reaction is | Phentolamine is the drug of choice in CHEESE REACTION It is a rapidly acting alpha blocker with sho duration of action (in minutes). It is non selective alpha blocker therefore blocks both alpha 1 and 2 Non Selective a Blockers Selective a1 Blockers Irreversible - Phenoxybenzamine - Used for pheochromocytoma Reversible... | 4,709 | medmcqa_train |
Referred pain in external haemorrhoids is due to - | Pain sensation below the pectinate line is carried by inferior rectal nerve, a branch of pudendal nerve. | 4,710 | medmcqa_train |
Which testicular tumor produces feminizing symptoms? | Interstitial cell tumours arise from Leydig or Seoli cells. A Leydig cell tumour masculinises; a Seoli cell tumour feminises.Seoli cell tumours typically present as a testicular mass or firmness, and their presence may be accompanied by gynaecomastia (25%)Bailey and Love 26e pg: 1386 | 4,711 | medmcqa_train |
A child presents with Hepatosplenomegaly, Abdominal distension, Jaundice, Anemia and Adrenal calcification. Which of the following is the Diagnosis? | Wolman disease is caused by mutations in the lysosomal acid lipase (LIPA) gene and is inherited as an autosomal recessive trait.
Wolman disease is the most severe expression of LAL deficiency; a milder form of LAL deficiency is known as cholesteryl ester storage disease (CESD). | 4,712 | medmcqa_train |
In exhausted child with severe bronchiolitis, for every 10 mm Hg increase in PCO2, how many milliEq of bicarbonate will increase:- | Bronchiolitis is most common type of acute lower respiratory tract infections in children and young infants. Most common causative agent is respiratory syncytial virus. It's mostly seen in age group 6months to 3years C/F hyperinflated chest, respiratory distress of varying degree, hypoxia. Rx is mainly suppoive as no r... | 4,713 | medmcqa_train |
Ionising radiation acts on tissue depending upon: | Ans. Excitation of electron from orbit | 4,714 | medmcqa_train |
The most malignant form of malignant melanoma is ? | Ans. is 'a' i.e. Nodular Schwaz 9/e p415 writes that- "In general, there is no significant difference between different histologic tumor types in terms of prognosis, when matched for tumor thickness, gender, age, or other. Nodular melanomas have the same prognosis as superficial spreading types when lesions are matched... | 4,715 | medmcqa_train |
Pentose phosphate pathway (HMP shunt pathway) produces - | HMP shunt pathway gives NADPH and ribose-5-phosphate. | 4,716 | medmcqa_train |
Which of the following methods can be used to detect rubella infection in children - | Ans. is 'c' i.e., IgM antibody in fetal blood Laboratory diagnosis o Isolation of virus in cell cultures of throat samples, urine or other secretions. o Normally, maternal rubella antibodies in the form of IgG is transferred to infants and is gradually last over a period of 6 months. Persistent beyond 1 year in an unva... | 4,717 | medmcqa_train |
The most important cause of the death in septic shock is: | Ans. (d) CardiacRef: Sabiston 85/19th Edition* Most common cause of death in septic shock - Hypotension* Hypotension is due to decreased cardiac output leading to hypotension | 4,718 | medmcqa_train |
A 26 years old female suffers from PPH on her second postnatal day. Her APTT is prolonged while bleeding time and prothrombin time and platelet count are normal. Likely diagnosis is: | This is a case of acquired hemophilia A. Approximately 50 percent of acquired hemophilia A patients have an underlying condition, such as an autoimmune disorder (e.g., rheumatoid ahritis or systemic lupus erythematosus), malignancy, pregnancy, or a history consistent with a drug reaction. Patients with acquired hemophi... | 4,719 | medmcqa_train |
Chalky white optic disc on fundus examination is seen in all, except: | Chalky white optic disc is not seen in traumatic injury of the optic nerve. Ref: Practical Approach to Ophthalmoscopic Retinal Diagnosis By A. K. Gupta, Shahana Mazumdar, Saurabh Choudhry, M.D, Page 68 ; Clinical Ophthalmology By Kanski, 4th Edition, Pages 588-9 | 4,720 | medmcqa_train |
Nocardia is differentiated from Actinomyces by: | Ans. is 'b' i.e., Ziehl Neelsen stainRef: (Ananthanarayan, 8th/e, p. 393; 9th/e, p. 394; Harrison, 18th/e, p. 1324; Jawetz, 24th/e, p. 182)Nocardia - Partially acid fast, obligate aerobe, habitat is soil and infections occur exogenously.Actinomyces - Nonacid fast, facultative anaerobe, habitat is oral flora so infectio... | 4,721 | medmcqa_train |
Patient presents with Hb-5 g%, TLC-9000/cc,DLC- Neutrophils-3%, Lymphoblasts-75% and fever for 1 mth. Drug used is - | Ciprofloxacin is an antibiotic used to treat a number of bacterial infections.This includes bone and joint infections, intra abdominal infections, ceain type of infectious diarrhea, respiratory tract infections, skin infections, typhoid fever, and urinary tract infections, among others.For some infections it is used in... | 4,722 | medmcqa_train |
Outer layer of the pars tensa called the cutaneous layer is lined by which of the following type of epithelium? | Pars tensa of the tympanic membrane is a funnel shaped area that stretches between the malleus handle and bony ear canal. It is composed of 3 layers, outer cutaneous layer, middle lamina propria and the inner mucosal layer. The cutaneous layer is lined by smooth stratified squamous epithelium. Inner mucosal layer consi... | 4,723 | medmcqa_train |
Floaters are seen in following except - | Ans. is 'd' i.e., Acute congestive glaucoma {Ref: Clinical ophthalmology 5th/e p. 139]Floaterso A floater is something in the fluids of the eye that casts a shadow on the retina and looks like a dark spot or spots floating around in the field of vision. Floaters are usually described by patients, as small, semitransluc... | 4,724 | medmcqa_train |
A person on fasting for 7 days, the source of energy is: NIMS 11 | Ans. Acetone | 4,725 | medmcqa_train |
A woman with a history of repeated aboions gave bih to a low bih weight baby. The child is having rashes over palm and rhinitis. The most probable diagnosis is September 2009 | Ans. B: Congenital Syphilis Symptoms in newborns with congenital syphilis may include: Failure to gain weight or failure to thrive Fever Irritability No bridge to nose (saddle nose) Early rash -- small blisters on the palms and soles Later rash -- copper-colored, flat or bumpy rash on the face, palms, and soles Rash of... | 4,726 | medmcqa_train |
Ambulatory patients after a Disaster are categorized into ____ colour of Triage: | Triage - Disaster categorization of victims 1. Red - Immediate Resuscitation 2. Yellow - possible resuscitation 3. Green - Minor injuries (Ambulatory) 4. Black - Dead/ moribund patient | 4,727 | medmcqa_train |
All of the following shows positive myoclonus except? | Negative myoclonus: Metabolic cause which contributes to development of myoclonus. E.g. Metabolic encephalopathies Variant CJD- stale / reflex myoclonus variant (loud noise causes a myoclonus) Janz syndrome- Juvenile myoclonic epilepsy Hypnogogic jerks: Falling to sleep and sudden jerky movement e.g. while going off to... | 4,728 | medmcqa_train |
Which of the following transmits mandibular nerve? | Key concept:
The foramen ovale transmits the mandibular nerve, the lesser petrosal nerve, the accessory meningeal artery, an emissary vein connecting the cavernous sinus with the pterygoid plexus of veins, and occasionally the anterior trunk of the middle meningeal vein. | 4,729 | medmcqa_train |
Which is true about measurement of BP with sphygmomanometer versus intra-aerial pressure measurements? | The reason for this is - "dissipation of pressure". When BP is measured by sphygmomanometry, the principle is 'balancing of pressure between the cuff and the brachial aery'. Suppose the pressure in the aery is, say, 100 mm Hg. When the pressure just outside the aery is 100 mm Hg, the aery will be occluded completely, o... | 4,730 | medmcqa_train |
A 28-year-old woman with diabetes presents with lesions on her leg. They are not painful, and have a central depression and raised irregular margin. Which of the following is the most likely diagnosis? | (b) Source: (Kasper, p. 2169)This lesion is more frequent in females and may antedate other clinical signs and symptoms of diabetes. The plaques are round, firm, and reddish-brown to yellow in color. They most commonly involve the legs but can also involve the hands, arms, abdomen, and head. | 4,731 | medmcqa_train |
Stratified cuboidal epithelium seen in | Stratified cuboidal epithelium is seen in large ducts of exocrine glands like sweat glands ,pancreas and salivary glands The ovarian surface epithelium, also called the germinal epithelium of Waldeyer, is a layer of simple squamous-to-cuboidal epithelial cells covering the ovary. The upper cervix (endocervix) is lined ... | 4,732 | medmcqa_train |
A 3-year-old child presented with fatigue, malaise, fever, sore throat, headache, nausea, abdominal pain and myalgia. O/E Generalized lymphadenopathy Hepatosplenomegaly Tonsillar enlargement Palatal petechiae Rashes and edema of the eyelids. the above condition can't occur in which of the following: - | This is a case of Infectious mononucleosis. So, there are no B-cells in X-linked agammaglobulinemia to be affected. In rest all the 3 conditions, B-cells are normal. Di-George and Wiskott-aldrich syndrome are T-cell deficiencies. 1st image shows tonsillitis with membrane formation Peripheral blood film shows atypical l... | 4,733 | medmcqa_train |
Vectors may transmit infection by all of the following methods, EXCEPT: | Methods by which vectors transmit an infectious agents are: Biting Regurgitation Scratching in infected faeces Contamination of host by body fluids of vectors Ref: Preventive and Social Medicine, by K.Park, 19th edition, Page 92. | 4,734 | medmcqa_train |
A 15-year-old boy presented with fever and chills for the last 3 days. A peripheral blood smear revealed the following. Which of the following is the most probable causative agent? | The given clinical scenario and the peripheral smear showing the Maurer&;s dots are suggestive of malaria caused by Plasmodium falciparum. Features of Plasmodium falciparum on peripheral smear are Maurer's dots, ring form, accole form, and banana-shaped gametocytes. Reference: Paniker&;s Textbook of Medical Parasitolog... | 4,735 | medmcqa_train |
Thyrotoxicosis can be differentiated from anxiety neurosis clinically by | Pulse rate in thyrotoxicosis Ref image - reasearchgate.net | 4,736 | medmcqa_train |
Halstaed's mastectomy is | Ans. (c) Radical Mastectomy(Ref Internet Sources)Halstaed Radical mastectomy is historical.* It involves removal of Entire breast, Nipple and areola with tumor* Also removes all level 1,2,3 nodes* Muscles like Pectoralis major, Serratus Anterior are also removed.* It's a very high morbid procedure and hence not done no... | 4,737 | medmcqa_train |
Renal calculi are commonly made up of | There are four main types of kidney stones Calcium stones are the most common type of kidney stones. They are usually made of calcium and oxalate (a natural chemical found in most foods), but are sometimesmade of calcium and phosphate. Uric acid stones form when your urine is often too acidic. Refer robbins 9/e p951 | 4,738 | medmcqa_train |
Regarding color vision, which of the following is TRUE? | The color opponent process is a color theory that states that the human visual system interprets information about color by processing signals from cones and rods in an antagonistic manner. The opponent-process theory states that the cone photoreceptors are linked together to form three opposing color pairs: blue/yello... | 4,739 | medmcqa_train |
A young permanent incisor with an open apex has a pinpoint exposure due to a traumatic injury that occurred 24 hours previously. The best treatment is | Because the exposure site is likely significantly contaminated from the injury that occurred 24 hours previously, direct pulp capping with calcium hydroxide is contraindicated. A calcium hydroxide pulpectomy should not be the automatic procedure accomplished because continued root elongation and closure of the pulp can... | 4,740 | medmcqa_train |
Battle's sign is:TN 11 | Ans. Mastoid ecchymosis | 4,741 | medmcqa_train |
Most commonly involved bone in Paget's disease? | Ans. is 'c' i.e., Pelvis The pelvis and tibia being the commonest sites, and femur, skull, spine (veebrae) and clavicle the next commonest. | 4,742 | medmcqa_train |
Fox Fordyce's disease is a disease of ? | Ans. is 'b' i.e., Apocrine sweat glands See explanation- I of session- 9 of Skin of All India 2014-15 pattern of this book. | 4,743 | medmcqa_train |
The scalp
A. Is attached by occipitalis muscle to the skull
B. Is attached by the frontalis muscle to the skull
C. Receives sensory innervation from the dorsal rami of first 3 cervical
nerves
D. Is supplied, in part, by the ophthalmic artery
E. Drains directly to the subcutaneous lymph nodes at the base of the
skull | Frontalis is attached to orbicularis oculi and not to bone. | 4,744 | medmcqa_train |
Generalised anxiety disorder is characterized by | GAD is characterized by free floating anxiety and negative apprehension about day today tril life events. Anxiety about specific situations are more likely to be seen in phobia. Reference: Kaplon and sadock, 11 th edition, synopsis of psychiatry, 11 th edition, pg no. 407 | 4,745 | medmcqa_train |
Raw material used in nylon suture is:- | Raw material used in nylon suture is Polyamide polymer. Suture Types Raw material Tensile strength Absorption rate Silk Braided or twisted multifilament; Coated (with wax or silicone) or uncoated Natural proteinRaw silk from silkworm Loses 20% when wet; 80-100% lostby 6 months Fibrous encapsulation in body at 2-3 weeks... | 4,746 | medmcqa_train |
Characteristic radiological finding in sarcoidosis- | Ans. is 'c' i.e., Bilateral hilar lymphadenopathy "The characteristic radiologicalfinding in patients with pulmonary sarcoidosis is bilateral hilar lymphadenopathy ". | 4,747 | medmcqa_train |
Which of the following does not causes pneumonia? | ANSWER: (A) MumpsREF: Nelson's 18th ed p. 1795"Pneumonia is known complication of measles"Viruses commonly causing pneumonia in childrenRSVInfluenzaAdenovirusRhinovirusPara influenza virus | 4,748 | medmcqa_train |
An infant presents with bilateral white pupillary reflex. On slit lamp examination a zone of opacity is observed around the fetal nucleus with spoke like radial opacities. The most likely diagnosis is: | B i.e. Lamellar cataract | 4,749 | medmcqa_train |
Agents recommended in treatment of aortic dissection are all except | Diazoxide is vasodilator ,which can aggravate dissection, so containdicated in aortic dissection. | 4,750 | medmcqa_train |
Magnesium sulphate toxicity include all EXCEPT | MgSo4 acts by inhibition of neuromuscular transmission. NOTE: we monitor urine output while patient is on MgSO4, not because it is a sign of MgSO4 toxicity, but because oliguria is secondary to PIH (glomerular endotheliosis) and decreased urine output would decrease MgSO4 clearance and increase risk of toxicity. Serum ... | 4,751 | medmcqa_train |
A 25 year-old-male presents with sudden painless loss of vision. The ocular and systemic examination is normal. What is probable diagnosis? | Optic neuritis is an inflammatory, demyelinating condition that causes acute, usually monocular, visual loss. Most cases of acute demyelinating optic neuritis occur in women (two-thirds) and typically develop in patients between the ages of 20 and 40. | 4,752 | medmcqa_train |
The first step in fatty acid synthesis involves | Acetyl CoA carboxylase
Production of malonyl-CoA from acetyl-CoA is the initial and rate limiting step in fatty acid synthesis. The reaction is catalyzed by acetyl-CoA carboxylase. | 4,753 | medmcqa_train |
Deep transverse arrest occurs in ...... pelvis : | Android | 4,754 | medmcqa_train |
What is the wavelength of UV rays used in Woods lamp? | Ans. A. 360nMA Wood's lamp generates 360-nm ultraviolet (or "black") light produced by a mercury vapor source passed through a nickel oxide filter that can be used to aid the evaluation of certain skin disorders. | 4,755 | medmcqa_train |
A 7-year-old girl is brought with complaints of generalized swelling of the body. Urinary examination reveals grade 3 proteinuria and the presence of hyaline and fatty casts. She has no history of hematuria. Which of the following statements about her condition is true? | Grade 3 proteinuria, and the presence of hyaline and fatty cast in urine suggest the diagnosis of nephrotic syndrome.
Most common cause of nephrotic syndrome in a child is minimal change disease ( not IgA nephropathy or Alport syndrome)
In minimal change disease there is no deposition of immune reactants (immunoglobuli... | 4,756 | medmcqa_train |
A 8.5-year-old child with missing 11 reported to your clinic. 21 erupted at 6.5 years of age. The child had trauma to 21, 4 months back and got it endodontically treated for that. What is your further treatment about missing teeth? | In question patient is of 8.5 years of age with missing right maxillary central incisor and has his Maxillary left Central Incisor Erupted on Schedule.
Now non-eruption of a tooth beyond normal possible age of eruption while the contralateral tooth is being erupted on usual time can be due to its presence in impacted ... | 4,757 | medmcqa_train |
Cat acts as a reservoir in which of the following? | “Toxoplasma gondii is a coccidian protozoa of worldwide distribution that infects a wide range of animals and birds but does not appear to cause disease in them.
The normal final hosts are strictly the cat and its relatives in the family Felidae, the only hosts in which the oocyst-producing sexual stage of Toxoplasma c... | 4,758 | medmcqa_train |
`Coronory steal phenomenon' is caused by ? | Ans. is 'a' i.e., Dipyridamole o There are two types of vessels in coronary circulaton ? 1. Larger conducting aeries which run epicardially and send perforating branches. 2. Smaller resistance aerioles - These are perforating branches of conducting aeries. These aerioles supply blood to endocardium. o During ischemia, ... | 4,759 | medmcqa_train |
Rupak, a 22-year-old, unmarried man is suffering from sudden onset of third person hallucination for the past 12 days. He is suspicious of his relatives and close friends and is having reduced appetite and improper sleep. He is probably suffering from: September 2010 | Ans. D: Schizophrenia Psychosis means abnormal condition of the mind, and is a generic psychiatric term for a mental state often described as involving a "loss of contact with reality". Psychosis is given to the more severe forms of psychiatric disorder, during which hallucinations and delusions and impaired insight ma... | 4,760 | medmcqa_train |
Lordaceous spleen is seen in - | Ans. is 'd' i.e., Diffuse amyloidosis Focal amyloidosis cause sago spleen | 4,761 | medmcqa_train |
Central stellate scar on CT scans are seen in: | Central stellate Scar is seen in 1. FNH 2. Fibrolamellar HCC 3.Serous cystadenoma (Pancreas) 4.Renal Oncocytoma | 4,762 | medmcqa_train |
Which of the following is the causative organism for formation of Baholin cyst? | Baholin's glands (great vestibular glands) are located at the vaginal orifice at the 4 and 8 o'clock positions. Their ducts are lined with transitional epithelium and their obstruction secondary to inflammation may lead to the development of a Baholin's cyst or abscess. Baholin's cysts range in size from 1 to 3 cm. Inf... | 4,763 | medmcqa_train |
Supraspinatus injury leads to which of the following: | Ans. (c) Cannot abductRef. Apley's System of Orthopaedics & Fractures, 8th ed. 281-82In case of supraspinatus injury, abduction is restricted.Function of Rotator Cuff Muscle* Supraspinatus: Assists deltoid in abduction of arm by fixing head of humerus against the glenoid cavity.* Infraspinatus & Teres minor: Laterally ... | 4,764 | medmcqa_train |
Antidepressant drug is: | Classification I Reversible inhibitors of MAO-A (RIMAs) Moclobemide, Clorgyline II. Tricyclic antidepressants (TCAs) NA + 5-HT reuptake inhibitors Imipramine, Amitriptyline, Trimipramine, Doxepin, Dothiepin, Clomipramine B. Predominantly NA reuptake inhibitors Desipramine, Noriptyline, Amoxapine, Reboxetine Ill. Select... | 4,765 | medmcqa_train |
Metabolism of xenobiotics is done by - | Ans. is 'b' i.e., Cytochrome p450 o Biotransformation reactions (metabolism) of drugs can be classified :A. Non-synthetic (phase I) reactions# Metabolism brings about a change in the drug molecule by:1. Oxidation2. Reduction3. Hydrolysis4. Cyclization5. Decyclization# The new metabolite may retain biological activity o... | 4,766 | medmcqa_train |
Relationship of neurovascular bundle from above downward in intercostal space - | Ans. is'd' i.e., Vein - Artery - Nerveo All intercostal muscles are supplied by the intercostal nerves of the spaces in which they lie.o The neurovascular plane of thorax lies between internal intercostal and intercostalis initimi or innermost intercostal (transversus thoracis).o Neurovascular bundle lies in costal gro... | 4,767 | medmcqa_train |
True about Post traumatic fat embolism syndrome is A/E | D i.e. Associated diabetes pose a risk. Fat Embolism Syndrome A syndrome caused by an inflammatory response to embolized fat globules Symptoms usually occur 1-3 days after a traumatic injury and are predominantly pulmonary (shoness of breath, hypoxemia), neurological (agitation, delirium, or coma), dermatological (pete... | 4,768 | medmcqa_train |
In the length tension relationship of skeletal muscle, the length at which active tension is maximum is: | Ans. (d) E(Ref: Guyton and Hall Physiology Review, 3rd ed/p.14)Active tension produced in the muscle is at point E.In the graph, A is the active tension curve.C is the passive tension curve. | 4,769 | medmcqa_train |
Peripheral most unit for planning of Family planning and other services under RCH program is | The sub-centre level is the peripheral outpost of the existing health delivery system. Categorization Type A: Provide all recommended services except the facilities for conducting delivery is not available here. Type B (MCH sub-centre): All recommended services including facilities for conducting deliveries are availab... | 4,770 | medmcqa_train |
All are seen in organic psychosis except : | D. i.e. Normal common knowledge | 4,771 | medmcqa_train |
False about annular pancreas | Non bilious voimiting is seen in annular pancreas. | 4,772 | medmcqa_train |
Glucose detection can be done by the all except | Ans: b (Ferric Chloride rest). Ref: Vasudevan 4th ed/p 191,102Ferric chloride test is positive in phenylketonuria and alkaptonuria. A transient blue green colour is seen when ferric chloride is added to the urine.Glucose oxidase test:-It is the most widely used. Used by autoanalysers. Glucose oxidase is very specific a... | 4,773 | medmcqa_train |
All are cerebral neurotics except | Neurotics: Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 399 | 4,774 | medmcqa_train |
A scooter is hit from behind. The rider is thrown off and he lands with his head hitting the kerb. He does not move, complains of severe pain in the neck and is unable to turn his head. Well-meaning onlookers rush up to him and try to make him sit up. What would be the best course of action in this situation? | Patients are usually transported to the emergency department on a hard backboard with neck immobilized by hard cervical collor.
The head and neck to be aligned with the long axis of trunk and immobilized in supine position.
The patient should be secured so that in the event of emesis; the backboard may be rotated 90° w... | 4,775 | medmcqa_train |
Delirium & dementia can be differentiated by? | ANSWER: (D) Altered sensoriumREF: Kaplan & Sadock's Synopsis of Psychiatry 10th ed chapter-10Repeat Psychiatry 2013 Session 1, June 2010 | 4,776 | medmcqa_train |
Most common site of rhabdomyosarcoma is: | Most common site of rhabdomyosarcoma is HEAD & NECK (orbit among the given options). RHABDOMYOSARCOMA Rhabdomyosarcoma arises from mesenchymal tissues. MC sites of origin: Head & neckQ (parameningealQ)>Extremities >Genitourinary tract >Trunk MC pediatric soft tissue sarcoma: RhabdomyosarcomaQ Associated with: NF, Beckw... | 4,777 | medmcqa_train |
MIS is secreted by? | ANSWER: (A) Sertoli cellREF: Ganong's 22nd ed chapter 23See previous question for explanation | 4,778 | medmcqa_train |
A 30-year-old athlete complains of amenorrhea for 1 year. Her BMI is 20 kg/m2. LH and FSH are in low normal range. Clinical and USG findings are normal. Most likely cause is: | Ans. is b, i.e. Excessive exerciseThis athlete has BMI =20kg/m2, i.e. she is underweightHer FSH and LH are in low normal rangeAll these findings point towards that either there is a problem in hypothalamus or pituitary.One of the causes of hypothalamic amenorrhea is excessive exercise which is the most probable cause i... | 4,779 | medmcqa_train |
Nikolsky's sign seen in all of the following, except: | Nikolsky's Sign
A bulla can be induced on normal-appearing skin if firm lateral pressure is exerted.
It is acharacteristic feature of pemphigus vulgaris
Nikolsky's sign absent in- Bullous pemphigoid
Positive Nikolsky's Sign Present in
Pemphigus vulgaris
Pemphigus foliaceus
Familial benign pemphigus (Halley- Hailey d... | 4,780 | medmcqa_train |
Hypercalcemia in ECG is diagnosed by: | Answer is B (Decreased QT interval) Hypercalcemia is characterized by a decreased QT interval. | 4,781 | medmcqa_train |
Allergic reactions to radiological contrast agents are - | Acute non-renal reaction to a radiocontrast agent may be -
Non-IgE mediated anaphylactic reactions
Vasomotor / vasovagal reactions. | 4,782 | medmcqa_train |
Type I hypersensitivity reaction is mediated by: | In immediate hypersensitivity (type I hypersensitivity)- the injury is caused by TH2 cells, IgE antibodies, and mast cells and other leukocytes. Mast cells release mediators that act on vessels and smooth muscle and pro-inflammatory cytokines that recruit inflammatory cells. | 4,783 | medmcqa_train |
Which one of the following fungus does NOT infect hair? rpt | trichophyton- hair, skin and nail. microsporum- hair and skin. epidermophyton- skin and nail. REF:Baveja textbook of microbiology 4th edition. | 4,784 | medmcqa_train |
An athletic teenage girl complains of anterior knee pain on climbing stairs and on getting up after prolonged sitting. Which of the following is the most likely diagnosis? | CAUSES: Mechanical overload of the patellofemoral joint. a) Malcongruence - patellofemoral surfaces b) Malalignment -- extensor mechanism - weakness of vastus medialis ingle injury -- damage to aicular surface CLINICAL FEATURES * Introspective teenage girl or athletic young adult * Flat foot / Knock kneed athletes * Sp... | 4,785 | medmcqa_train |
Which of the following is true about ventilation and perfusion in alveoli in an erect posture | Apical alveoli have low ventilation and perfusion per unit volume of the lung, whereas the basal alveoli have high ventilation and perfusion.
Ventilation-perfusion ratio and the PaO2 is maximum at the apex. PCO2 is maximum at the base. | 4,786 | medmcqa_train |
'Endemic Disease' means that a disease: | Endemic refers to the constant presence of a disease or infectious agent within a given geographic area or population group without impoation from outside. Ref: Park's Textbook Of Preventive And Social Medicine By K. Park, 19th Edition, Page 88; Park's Textbook Of Preventive And Social Medicine By K. Park, 18th Edition... | 4,787 | medmcqa_train |
The following are example of apoptosis except? | Ans. is 'None' | 4,788 | medmcqa_train |
Regarding point source epidemic, false statement (s) is/are:a) Rapid rise & fallb) Only infectious disease can causec) Explosived) Cases occur even after incubation periode) No secondary wave | Features of point source (single exposure) epidemics
The exposure to the disease agent is brief and essentially simultaneous → single exposure.
Because disease agent enters into all exposed persons at same time → the resultant cases all develop within one incubation period of the disease.
The epidemic curve rises and... | 4,789 | medmcqa_train |
All of the following factors increases the level of respiratory neuron activity in the medulla, EXCEPT: | A rise in the PCO2 or H+ concentration of aerial blood or a drop in its Po2 increases the level of respiratory neuron activity in the medulla, and changes in the opposite direction have a slight inhibitory effect. The effects of variations in blood chemistry on ventilation are mediated respiratory chemoreceptors--the c... | 4,790 | medmcqa_train |
All the following are characteristic of Turner Syndrome EXCEPT: | ANSWER: (C) Umbilical HerniaREF: Robbins 7th edition page 179, http://en.vrikipedia.org/wiki/Turner_syndromeTurner syndrome or Ullrich-Tumer syndrome (also known as 'Gonadal dysgenesis") encompasses several conditions in human females, of which monosomy X (absence of an entire sex chromosome, the Barr body) is most com... | 4,791 | medmcqa_train |
Triglycerides are maximum in: | A i.e. Chylomicron | 4,792 | medmcqa_train |
A patient comes with sudden respiratory distress, on examination, bilateral basal crepts are present over chest suggestive of pulmonary edema with normal alveolar wedge pressure. The likely cause is | Answer is A (Narcotic overdose): Pulmonary edema with normal pulmonary capillary wedge pressure suggests a diagnosis of ARDS or non cardiogenic pulmonary edema. Narcotic overdose is the only non cardiogenic cause for pulmonary edema (ARDS) amongst the options provided and hence the answer here. | 4,793 | medmcqa_train |
Which is the most important feature to differentiate carcinoma in situ from invasive carcinoma? | Penetration of basement membrane is the hallmark of invasive carcinoma. In carcinoma in situ basement membrane is not involved. | 4,794 | medmcqa_train |
First case to come to notice of physician is: | Index case | 4,795 | medmcqa_train |
Cariostatic level of fluoride in drinking water is: | Fluoridation is the adjustment of water supply to a fluoride content such that reduction of 50 to 70% in dental caries would occur without damage to teeth or other structures.
In 1958, WHO produced the first report by an expert committee on water fluoridation (TRS 146) and concluded that drinking water containing about... | 4,796 | medmcqa_train |
Temperature in autoclaving - | Ans. is 'c' i.e., 120degC for 15 minutes MethodTemperature (degC)Holding time (in minutes)Autoclave12115 12610 1343Hot air oven16045 17018 1807.5 1901.5 | 4,797 | medmcqa_train |
Token economy is used in the treatment of | Token economy: It is a form of behavior modification designed to increase desirable behavior and decrease undesirable behavior with the use of tokens. Individuals receive tokens immediately after displaying desirable behavior. The tokens are collected and later exchanged for a meaningful object or privilege. The primar... | 4,798 | medmcqa_train |
Tarsal tunnel syndrome is caused with which ahritis: | Rheumatoid ahritis "Inflammation from rheumatoid ahritis results in a higher incidence of tarsal tunnel syndrome."- Current geriatric diagnosis,& treatment By C. Seth Landefeld, Robe Palmer, Mary Anne Johnson p459 "Carpal tunnel syndrome may be the presenting feature of rheumatoid ahritis."- Oxford textbook of rheumato... | 4,799 | medmcqa_train |
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