query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
value |
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Enzyme that protects the brain from free radical injury is | Superoxide dismutase ref Robbins 7/e p17 , Harrison 17/e p 2572 ,9/e p48. | 3,000 | medmcqa_train |
Fastest acting antithyroid drugs ? | Ans. is 'a' i.e., Iodides of Na Iodine and Iodides Iodine is the fastest acting thyroid inhibitor Most impoant action is inhibition of hormone release (thyroid constipation); but all facets of thyroid synthesis may be affected. Excess iodide inhibits its own transpo in thyroid cells and may alter the redox potential of... | 3,001 | medmcqa_train |
Clinically in the non-injured eye, sympathetic ophthalmitis may manifest as: | Ans. All of the above | 3,002 | medmcqa_train |
An 8 years old child has left sided flank pain and mental retardation. On ultrasound, a hyperechoic lesion in the right kidney and multiple lesions in the liver are noted. CT examination of the abdomen revealed -50 to -80 HU density of these lesions. The most probable diagnosis is: | Answer- A (Tuberous sclerosis)AML is a benign clonal neoplasm consisting of varying amounts of mature adipose tissue, smooth muscle and thick-walled vessels. | 3,003 | medmcqa_train |
A 72-year-old man presents to the emergency depament complaining of frequent nose-bleeds. What is the most likely site of acute epistaxis? | The most common source of epistaxis is Kisselbach's vascular plexus on the anterior nasal septum. Predisposing factors include foreign bodies, forceful nose-blowing, nose-picking, rhinitis and deted septum | 3,004 | medmcqa_train |
Linitis plastica is a type of : | Linitis plastica is a subtype of gastric cancer that is characterized by diffuse infiltrating adenocarcinoma without obvious caers and ulcers. It is thought to originate from parietal cell poion of gastric mucosa. Because of its diffuse nature ,this form of gastric cancer ususally involves the whole stomach. Ref : Clin... | 3,005 | medmcqa_train |
True about genital infection is? | ANSWER: (D) Clue cells are associated with Trichomonas vaginalisREF: Shaw 14th ed p. 132Drug of choice for various genital infections in women:Chlamydia : azithromycin + contact tracing , in pregnancy erythromycin is 1st DOC , amoxicillin is 2ndTrichomonas : metronidazole to both the partnersBacterial vaginosis: metron... | 3,006 | medmcqa_train |
Long acting glucocoicoid is ? | Ans. is 'a' i.e., Dexamethasone | 3,007 | medmcqa_train |
An emergency room physician examines a patient who has fallen from a motorcycle and injured his shoulder. The clinician notices a loss of the normal contour of the shoulder and a abnormal-appearing depression below the acromion. Which of the following injuries did the patient most likely sustain? | The abnormal depression described is a characteristic tip-off for a dislocated shoulder joint. This is impoant to remember, as it may help you make a rapid diagnosis.Avulsion of the coronoid process of the ulna (at the elbow) can occur following a severe contracture of brachialis.Fracture of the midshaft of the humerus... | 3,008 | medmcqa_train |
Given below shows an examination technique. The structure being examined originated from:- | In the video ,structure being examined has originated from Anterior Tibial Aery =Dorsalis Pedis Aery Pulse can be palpated readily lateral to the Extensor Hallucis Longus Tendon (or medially to the Extensor Digitorum Longus Tendon) on the dorsal surface of the foot, distal to the dorsal most prominence of the navicular... | 3,009 | medmcqa_train |
False about sjogren's syndrome | Biopsy from Lip is preferred. | 3,010 | medmcqa_train |
Proposed guideline values for Radioactivity in Drinking water is | Key guideline aspects of WHO recommended drinking water quality: –
Colour < 15 true colour units (TCU)
Turbidity < 5 nephlometric turbidity units (NTU)
pH: 6.5 – 8.5
Total dissolved solids (TDS) < 600 mg/litre
Zero pathogenic microorganisms
Zero infectious viruses
Absence of pathogenic protozoa and infective stages of ... | 3,011 | medmcqa_train |
In conductive deafness of right ear, Weber's test will show? | In middle ear pathology usually there is conductive deafness. With a unilateral conductive hearing loss, the tone is perceived in the affected ear. With a unilateral sensorineural hearing loss, the tone is perceived in the unaffected ear. | 3,012 | medmcqa_train |
Thromboangitis obliterans is associated with ? | Ans. is 'c' i.e., HLA - B5 Thromboangitis obliterans (Berger disease) Thrombangitis obliterans is a distinctive disease that is characterized by segmental, thrombosing acute and chronic inflammation of medium sized and small sized aeries, and sometimes secondarily extending to veins and nerves. Thromboangitis obliteran... | 3,013 | medmcqa_train |
Anti-D should be given following Rh+ delivery within: | 72 hours | 3,014 | medmcqa_train |
Erythema nodosum is seen in all Except | Drugs causing it are: Levofloxacin Medroxyprogesterone Minocycline Naproxen OC Penicillin Phenytoin Trimethoprim Sulfasalazine Sulphonamides *Erythema nodosum is a skin condition where red lumps appear on the shins and less commonly forearms and thighs. Often it may be the first sign of a systemic disease such as tuber... | 3,015 | medmcqa_train |
Platelets in stored blood do not live after | Ans. is 'c' i.e., 72 hours Platelets are provided as a pooled preparation from one or several donors, usually as a 6-unit bag, which is the usual amount given to an average-sized adult. Each unit contains approximately 8 x 101deg platelets and should increase the platelet count by about 7000-10,000/ pL in a 75kg adult.... | 3,016 | medmcqa_train |
Fallen fragment sign is a feature of | Fallen fragment sign and hinged faragemnt sing are signs of simple bone cyst SIMPLE BONY CYST : ACTIVE : Develop in patients under 10 years of age * Cyst arises adjacent to growth plate & may grow to fill most of metaphysis Bone may be slightly expanded within coical shell * May cause pathologic fracture PASSIVE : Pass... | 3,017 | medmcqa_train |
Hepatomegaly with liver pulsations indicates | Ref Harrison 19 th ed pg 1548 AyatoSys pulsqtpuls of liver and marked hepatomegaly are characteristic features of tricuspid regurgitation. | 3,018 | medmcqa_train |
Rise in BBT after ovulation is by : | Ans:A.)0.5 degree Fahrenheit. Before ovulation, there is only a small amount of progesterone present in your body and your basal body temperatures (your resting temperatures) are in the lower range. After ovulation, when there is increased progesterone secreted from the corpus luteum, temperatures become elevated. The ... | 3,019 | medmcqa_train |
Treatment of choice in 65 year old female with impacted neck of humerus is: | A i.e. Triangular sling | 3,020 | medmcqa_train |
Ectopic rest of normal tissue is known as - | Choristomas, forms of heterotopia, are closely related benign tumors, found in abnormal locations. The two can be differentiated as follows: a hamaoma is an excess of normal tissue in a normal situation (e.g. a bihmark on the skin), while a choristoma is an excess of tissue in an abnormal situation (e.g. pancreatic tis... | 3,021 | medmcqa_train |
Regarding Chronic Viral Hepatitis - | Classification of hepatitis
In the new classification system of Hepatitis, Grading refers to the assessment of necroinflammatory activity.
Chronic hepatitis represents a series of liver disorders of varying causes and severity in which hepatic inflammation and necrosis continue for at least 6 months.
Earlier chronic h... | 3,022 | medmcqa_train |
Administration of disulfiram in an alcoholic can cause all these side effects except: (E. REPEAT 2010) | Ref: The Pharmacological Basis of Therapeutics by Goodman and Gillman, 12th edition. Page 644 and KD Tripathis Essentials of Pharmacology, 6th edition. Page 3H6Explanation:DISULFIRAMDisulfiram irreversibly inhibits aldehyde dehydrogenase. This action is also brought about by its metabolites such as dieth y 1th iomethyl... | 3,023 | medmcqa_train |
Which of the following cellular body is NOT found in nucleus? | Even if you don't know about all the options and you just know about P body you can answer this question. The P body is a cytoplasmic organelle involved in mRNA metabolism. Here is where miRNA-mRNA complexes are temporarily stored. They can either undergo degradation or mRNA can be released back for translation. Nucleo... | 3,024 | medmcqa_train |
Which is the only phacomatosis to be inherited on an autosomal recessive basis: | Ans. Ataxia-telangiectasia | 3,025 | medmcqa_train |
What is torsional limit? | Torsional limit is the amount of rotational torque that can be applied to a "locked" instrument to the point of breakage (separation).
Obviously, an instrument should have sufficient strength to be rotated and worked vigorously without separating in the canal.
Smaller instruments (less than size 20) can withstand more... | 3,026 | medmcqa_train |
Nucleus accumbens is related to which of the following? | Ans. a (Basal ganglia). (Ref. Ganong, Physiology 21st ed., 265)NUCLEUS ACCUMBENS# Nucleus accumbens is located at the base of the striatum, and is a part of basal ganglia.# Addiction is associated with the reward system, particularly with nucleus accumbens.# The medial frontal cortex, the hippocampus, and the amygdala ... | 3,027 | medmcqa_train |
The following is not one of the 4 key cell cycle regulators which are dysregulated in a variety of human cancers | . | 3,028 | medmcqa_train |
Ghons focus lies at ? | Ans. is 'c' i.e., Right apical parenchymal regionPrimary T.B. includes :?An area of grey white (size of approx. 1-1.50 cm) inflammatory consolidation - called ghon's focus. o Lymph node.Lymphatics and lymphatic channel.Cavity and fibrosis is seen in secondary T.B.Inhaled tubercule bacilli implanted in the distal air sp... | 3,029 | medmcqa_train |
Which is case based online TB notification system developed by the central TB Division | Case Notification can be done online through NIKSHAY, Which is case based online TB notification system developed by the central TB Division. Ref: Pg.no: 318;IAPSM Textbook of Community Medicine. | 3,030 | medmcqa_train |
Which of the following statement is TRUE about NPU (net protein utilization), used in protein quality assessment? | Net Protein Utilization (NPU) is the ratio between nitrogen retained by the body and total nitrogen intake multiplied by 100. It is a product of digestibility coefficient and biological value divided by 100. It gives a more complete expression of protein quality than the amino acid score. In calculating protein quality... | 3,031 | medmcqa_train |
What is the APGAR score of a child born blue with HR 70/ mt, floppy with feeble cry and grimacing on nasal suction? | APGAR is used to quantitatively evaluate newborns condition after bih by giving scores between 0 and 2 in each of 5 different categories assigned at 1 and 5 minutes of life. The 5 criteria used were hea rate, respiration's, muscle tone, reflex irritability and color. APGAR score for HR less than 100 is 1, grimace on na... | 3,032 | medmcqa_train |
Combined oral pill reduces the risk of ? | Ans. is 'b i.e., Ovarian cancer Functional ovarian cyst o Endometrial carcinoma o Benign breast disease (fibroadenosis) Ovarian malignancy o Urerine fibroid o Premenstural tension & dysmenorrhoea Pelvic inflammatory disease o RA o Osteoporosis Ectopic pregnancy o Colon cancer o Acne | 3,033 | medmcqa_train |
Which of the following is true about Nephron function: | D i.e. Osmolality of intratubular content in PCT is isotonic to surrounding interstitiumAt the end of proximal tubule 60-70% of filtered solute is reabsorbed & also 60-70% of filtered water is reabsorbedQ. Thus in the proximal tubule, water moves passively out of the tubule, along osmotic gradients set up by active tra... | 3,034 | medmcqa_train |
Praziquantel is used for the treatment of | Platyhelminthes (flukes & tapeworms) DOC for all the platyhelminths is praziquantel DOC for Fasciola hepatica (liver fluke) is triclabendazole DOC for dog tapeworm is albendazole DOC for trichomoniasis is metronidazole Surgery is done for rhinosporidiosis Nematodes DOC for nematodes is albendazole DOC for filaria is di... | 3,035 | medmcqa_train |
All of the following muscles forms the boundary of the suboccipital triangle found in the suboccipital region of the neck, EXCEPT: | The suboccipital triangle is bounded by rectus capitis posterior major and the obliquus capitis superior and inferior muscles. The floor of this triangle is formed by the posterior occipitoatlantal membrane and the posterior arch of the C1 veebrae.Contents of the triangle are:Veebral aerySuboccipital nerveGreater occip... | 3,036 | medmcqa_train |
A ranula is most appropriately described by which of the following statements? | Ranula is a cystic swelling in the floor of the mouth due to the obstruction of one or more ducts of the sublingual gland. It does not always represent a mucus retention cyst, it is more commonly a mucus extravasation cyst. It is neither a type of Epulis nor a type of thyroglossal cyst. Ref: The Medical Student's Vade ... | 3,037 | medmcqa_train |
Wire loop lesion seen in lupus nephritis is due to | Subendothelial immune complex deposits may create a circumferential thickening of the capillary wall, forming "wire loop" structures on light microscopy. This condition is seen in lupus nephritis. 50% of SLE patients have clinically significant renal involvement Currently there are six pattern of glomerular disease Whe... | 3,038 | medmcqa_train |
Not true regarding suprachoroidal hemorrhage: | Suprachoroidal hemorrhage needs immediate management. Suprachoroidal Hemorrhage Rare dreaded complication of intraocular surgery. Bleeding from long or sho posterior ciliary aery into suprachoroidal space. Risk Factors: Uncontrolled hypeension, advancing age, systemic cardiovascular disease, glaucoma, vitreous loss, in... | 3,039 | medmcqa_train |
In Adenoids hyperophy, treatment is | When symptoms are not marked, breathing exercises, decongestant nasal drops, and antihistaminics. When symptoms are marked adenoidectomy is done. (Ref: Diseases of Ear, Nose and Throat, PL Dhingra; 7th edition, pg no. 276) | 3,040 | medmcqa_train |
Simplest and most common method to measure variation is: | Range: The difference between the smallest and largest value results in a set of data.
Simplest and most common method to measure variation is range.
Reference: Essentials of Preventive and Community Dentistry, Soben Peter, 4th ed page no 395 | 3,041 | medmcqa_train |
The most common type of congenital atresia is | Type C is the most common type of tracheoesophageal fistula. It involves proximal esophageal atresia with distal TEF. | 3,042 | medmcqa_train |
In Indoor air pollution, carbon monoxide is produced by - | Indoor air pollution originates from both outdoor and indoor sources, is likely to contribute to population exposure than the outdoor environment. The indoor environment represents an impoant microenvironment in which people spend a large pa of the time. Carbon monoxide, an indoor pollutant source include fuel/tobacco ... | 3,043 | medmcqa_train |
Hay's sulpher test is used to detect which of the following ? | Ans. is 'a' i.e., Bile salts in urineTestsUsed forRothera's test (nitroprusside test) Ketone bodies in urine :- acetone and acetocetate Gerhardt's test (ferric chloride test) Ketone bodies in urine :- acetoacetate. Benedict's test Reducing sugars in urine Fehling's test Reducing sugars in urine Hay's sulpher test Bile ... | 3,044 | medmcqa_train |
Commonest cause of rupture of spleen is | spontaneous splenic rupture, which remain widely accepted to date: Mechanical effect of distention secondary to leukemic infiltration of the spleen, paicularly the capsule; splenic infarct with capsular hemorrhage and subsequent rupture; Ref Davidson edition23rd pg812 | 3,045 | medmcqa_train |
Left renal vein crosses aoa: | C i.e., Anterior below the superior mesenteric aery | 3,046 | medmcqa_train |
There is a case of infanticide. During the post-moem examination, the doctor performs Breslau's second life test. This test detects changes in which of the following organ | Ans. d. Stomach and intestine Breslau's Second Life Test (Stomach Bowel test) Principle: It assumes that a live born child would respire and therefore would also swallow some air into the stomach and bowelQ. Thus detecting the presence of air in stomach and intestine (positive test) proves live bih (even in absence of ... | 3,047 | medmcqa_train |
Microspherocytosis in peripheral blood smear are seen in- | Spherocytosis is characterized by presence of spheroidal rather than biconcave disc shaped red cells. Spherocytes are seen in hereditary spherocytosis ,autoimmune hemolytic anaemia and in ABO hemolytic disease of newborn like Thalassemia Reference: textbook of Pathology ,7th edition Author: Harsha Mohan, page number 26... | 3,048 | medmcqa_train |
The femoral hernia - Base of the sac lies at (Saphenous opening - Landmark). Related to pubic tubercle | Ans. (a) Below and LateralRef: Bailey and Love 27th edition Page 1035* Hernia appears below and lateral to Pubic tubercle and lies in upper leg rather than lower abdomen.* Please note Femoral hernia is seen below the inguinal ligament. | 3,049 | medmcqa_train |
Secondary attack rate of peussis in unimmunization household contacts of peussis | Ans. is 'd' i.e., 90% SAR of some impoant infectious diseases Measles Rubella Chicken pox Peussis Mumps 80% 90 - 95% -- 90% -- 90% 86% | 3,050 | medmcqa_train |
A 25yr old male presented to OPD with complain of recurrent oral ulcers and congested eyesOn enquiry he has h/o prior hospital admission for venous thrombosis What is the condition he is suffering from | Behcet&;s Disease: A delay in the diagnosis of Behcet&;s disease is common. Knowing what to look for can help you take control of the disease Eye Inflammation -Occurs in more than 50% of patients and can result in blurry vision, sensitivity to light pain and redness. Can lead to blindness if untreated. Mouth Sores - On... | 3,051 | medmcqa_train |
Most common site of carcinoma of paranasal sinus is? | Ans. (c) MaxillaryRef: Dhingra's 4th ed p-195 | 3,052 | medmcqa_train |
Criteria to diagnose PID include all of the following except: | Criteria for the diagnosis of PID: - Minimum Criteria 1) Lower abdominal tenderness 2) Adnexal tenderness 3) Cervical motion tenderness. Additional criteria 1. Culture and senstivity of Endometrial biopsy Vaginal swab Cervical swab Culture media for Gonorrhea: Thayer Main media Chlamydia: Mc Coy cell lines (PCR preferr... | 3,053 | medmcqa_train |
Tumor induced hypoglycemia is seen in all , EXCEPT: | Tumor induced hypoglycemia Mesenchymal tumors, hemangiopericytomas, hepatocellular tumors, adrenal carcinomas produce excessive amounts of insulin-like growth factor type II (IGF-II) precursor, leading to insulin-like actions and hypoglycemia. Ref: Harrison,E-18,P-830 | 3,054 | medmcqa_train |
Which of the following are not included under 10 chemicals of major public health concern by WHO: | Many chemicals can, when properly used, significantly contribute to the improvement of our quality of life, health and well-being. But other chemicals are highly hazardous and can negatively affect our health and environment when improperly managed.10 chemicals or groups of chemicals of major public health concern are:... | 3,055 | medmcqa_train |
A neonate having congenital diaphragmatic hernia developed respiratory distress. Breath sounds were decreased on the left side. After bag and mask ventilation. ET tube was put and the maximal cardiac impulse shifted to the right side. What should be the next step in management ? | The tube is inseed into the nose or mouth and slid into the stomach. The formula is then put into the tube and flows through it into the stomach. A nasogastric tube with a guide wire is a soft silicone tube that may be left in place for up to a month. Reference: GHAI Essential pediatrics, 8th edition | 3,056 | medmcqa_train |
Megaloblastic anemia is due to? | Ans. is 'a' i.e., Folic acid deficiency * Megaloblastic anemia is an anemia which results from inhibition of DNA synthesis during red blood cell production.* It is characterized by many large immature and dysfunctional red blood cells (megaloblasts) in the bone marrow, and also by hypersegmented neutrophills.* Vit B12 ... | 3,057 | medmcqa_train |
Sinusoidal heart rate pattern is seen in: | Sinusoidal Pattern:
Stable baseline heart rate of 120 to 160 beats/min with regular oscillations.
Amplitude of 5 to 15 beats/min (rarely greater).
Long-term variability frequency of 2 to 5 cycles per minute.
Fixed or flat short-term variability.
Oscillation of the sinusoidal waveform above or below a baseline.
Absence... | 3,058 | medmcqa_train |
ECG change seen in hypocalcemia: (Repeat 2011) | Ans: A (QT prolongation) Ref: Harrison's Principles of Internal Medicine, 18ed.Explanation:Clinical Manifestations of HypocalcemiaPatients with hypocalcemia may be asymptomatic if the decreases in serum calcium are relatively mild and chronic.Moderate to severe hypocalcemia is associated with paresthesias, usually of t... | 3,059 | medmcqa_train |
Most commonly injured organ in blunt trauma of abdomen is - | Ans. is 'b' i.e., Spleen "The spleen is the intra-abdominal organ most frequently injured in blunt trauma"- Sabiston 18/e* Blunt trauma: In blunt trauma the organs most commonly injured are the solid organs:# Spleen (MC)# Liver# Kidney* In addition to spleen, liver and kidney, extreme blunt force to the upper abdomen m... | 3,060 | medmcqa_train |
Burn involving one lower limbs in adult correspondence to area: | Ans: D (18 %) Determination of Burn Size Sabiston 19th/523# Burn size is generally assessed by the so-called rule of nines . In adults, each upper extremity and the head and neck are 9% of TBSA, the lower extremities and the anterior and posterior aspects of the trunk are 18% each, and the perineum and genitalia are as... | 3,061 | medmcqa_train |
Extensive abrasions are found all over the body of a pedestrian lying by the road side. What is the likely cause ? | In secondary injury, when the body is rolled over after the impact, the skin may show abrasions of more than two surfaces (front, back and sides). | 3,062 | medmcqa_train |
Qualitative data presentation diagrams are all except: | Data Presentation | 3,063 | medmcqa_train |
Amyloidosis of hea presents with - | Cardiac amyloidosis may affect the way electrical signals move through the hea (conduction system). This can lead to abnormal heabeats (arrhythmias) and faulty hea signals (hea block). The condition can be inherited. This is called familial cardiac amyloidosis Ref Davidson 23rd edition pg 456 | 3,064 | medmcqa_train |
All can occur due to blunt trauma of eye except - | 1. Lids: Ecchymosis, Black eye, avulsion of the lid, traumatic ptosis. 2. Orbit: Fracture of the orbital walls, orbital haemorrhage, orbital emphysemas. 3. Lacrimal apparatus: Laceration of canaliculi, dislocation of lacrimal gland. 4. Conjunctiva: Subconjunctival haemorrhage, chemosis, lacerating tears of the conjunct... | 3,065 | medmcqa_train |
A 40-year-old woman is suspected of having a carotid body tumor. Which one of the following is most characteristic of such a tumor?Carotid body tumor | Carotid body tumor is the most common type of paraganglioma in the head and neck region, followed by the glomus jugular tumor. Carotid body tumor grows slowly, rarely metastasizes, and may secrete catecholamines. The tumor usually is supplied by the external carotid artery, and dissection to remove it off the carotid b... | 3,066 | medmcqa_train |
Neuroendocrine cells in the lungs are: | APUD (amine precursor uptake and decarboxylation) cells are neuroendocrine cells found in respiratory system, G.I. tract and other organs; they manufactrure amines (e.g. 5-HT). These cells form carcinoid tumors. | 3,067 | medmcqa_train |
Dopamine and noradrenaline reuptake inhibitor is: | Bupropion This inhibitor of DA and NA uptake has excitant rather than sedative propey. It is metabolized into an amphetamine like compound. It has been marketed in a sustained release formulation as an aid to smoking cessation. In clinical trials it has been found to yield higher smoking abstinence and quitting rates t... | 3,068 | medmcqa_train |
Complication of blood transfusion can be all except - | Ans. is 'c' i.e., Metabolic acidosis The question is most probably about complications of massive blood transfusion.Massive Blood Transfusion * Massive blood transfusion is generally defined as transfusion of one to two volumes of patient's own blood volumes (For most adults that is equivalent to 10-20 units.)Complicat... | 3,069 | medmcqa_train |
Regarding Clostridium perfringens gas gangrene, false is - | Ans. is. 'c' i.e., Most common toxin is hyalronidase . The most common and most impoant toxin produced by CL perfringensis a- toxin (lecithinase). Clostridium perfringens food poisoning . Some strains of type A Cl. perfringens produce poisoning. They are characterised by the marked heat resistance of their spores and t... | 3,070 | medmcqa_train |
Mark the false statement among given options regarding malaria species : | Plasmodium species P. falciparum infects RBC's of all ages P. vivax infects RBC's < 14 d. P. malariae infects old RBC's. P. ovale selectively infect reticulocytes. | 3,071 | medmcqa_train |
Pseudotumor cerebri is seen in | * Pseudotumour cerebri(idiopathic intracranial hypeension) usually occur in obese young women . Ref Harrison20th edition pg 2456 | 3,072 | medmcqa_train |
A young child presented with history of passage of dark colored with urine with reduced urine output. He has a past history of abdominal pain, fever, and bloody diarrhea for 4 days which resolved on its own. There is absence of peripheral edema or rashes. Investigations show anemia, thrombocytopenia, and elevated blood... | - Child given is presenting with classical history of hemolytic uremic syndrome In HUS, there is initial history of diarrhea caused d/t E-coli which causes damage to endothelial cells resulting in thrombotic microangiopathy affecting kidney. Typical Causative agent: Escherichia coli strain O157:H7 infection; Endothelia... | 3,073 | medmcqa_train |
Neonatal septicemia is most commonly caused by ? | Ans. is 'a' i.e., Group B streptococci | 3,074 | medmcqa_train |
All the following are true regarding blood supply to the kidney, EXCEPT? | Blood supply to the kidney: The renal aery arises from the aoa at the level of the second lumbar veebra. Each renal aery usually divides into five segmental aeries that enter the hilum of the kidney. Lobar aeries arises from each segmental aery, one for each renal pyramid. Each lobar aery gives off two or three interlo... | 3,075 | medmcqa_train |
Best IOL is: | B i.e. Posterior chamber Classical signs of aphakia are - a deep anterior chamber, iridodonesis (tremulousness of iris), only 2 images on Purkinje's test, dark (jet black) papillary reflexQ and highly hypermetropic small disc on fundus examination with markedly defective vision for both far and near d/t high hypermetro... | 3,076 | medmcqa_train |
Most common cause of urinary retention in children includes | (A) Posterior urethral valves # Posterior urethral valves: These constitute an important cause of distal urinary tract obstruction in boys.> Dribbling, abnormal urinary stream, palpable bladder and recurrent UTI are the usual presenting features.> The presence of severe obstruction in the urinary tract in utero may lea... | 3,077 | medmcqa_train |
Spectacle shown below is used in | Ans. (c) Bifocal for pediatric aphakiaRef: Diagnosis and Management of Ocular Motility Disorders by Alec M. Ansons, Helen Davis 3/e, p. 36These are straight type/ executive type bifocals with a central lie dissecting the visual axis, such that the top of the reading segment passes just below the middle of the pupil whe... | 3,078 | medmcqa_train |
Not a treatment option for psoriasis - | Ans is 'd' i.e. Oral corticosteroids Treatment options for psoriasisSystemic medicineso Acitretino Cyclosporineo Razoxaneo Biological therapieso Colchicineo Antithyroid drugs (methimazole, propylthiouracil)o Methotrexateo Hydroxyureao Mycophenolate mofetilo Goldo Zidovudineo AzathioprineTopical medicines for psoriasiso... | 3,079 | medmcqa_train |
A patient at 22 weeks gestation is diagnosed as having IUD which occurred at 17 weeks but did not have a miscarriage. The patient is at increased risk of : | Dead fetus if retained for more than 4-5 weeks, release thromboplastin which leads to DIC Ref: Datta Obs 9e pg 304. | 3,080 | medmcqa_train |
An agent added to local anesthetics to speed the onset of action is: | * LAs are weak bases. These require penetration inside the neuron for their action. For entry in the neuron, LAs have to cross the neuronal membrane. * Unionized drugs (lipid soluble) can easily cross the membrane, therefore addition of NaHCO3 in the local anaesthetic solution (weak bases are un-ionized in the alkaline... | 3,081 | medmcqa_train |
Shaking palsy is associated with poisoning with : | B i.e Mercury | 3,082 | medmcqa_train |
About the treatment of esophageal cancer, false statement is: | ESOPHAGEAL CARCINOMA: The prognosis is poor. 5% of patients survive 5 years after the diagnosis Surgical resection of all gross tumor is feasible in only 45% of cases About 20% of patients who survive a total resection live 5 years. The efficacy of primary radiation therapy for squamous cell carcinomas is similar to th... | 3,083 | medmcqa_train |
Aery to bleed in duodenal ulcer haemorrhage - | Gastro duodenal aery is the most common aery involved in duodenal ulcer hemorrhage. Also, remember A peptic ulcer is the most common cause of massive upper gastrointestinal bleed (Duodenal ulcers > Gastric ulcers) Bleeding ulcers in the duodenum are usually located on the posterior surface of the duodenal bulb. Ref : B... | 3,084 | medmcqa_train |
In PCR, DNA polymerase is used in | All PCR applications employ a heat-stable DNA polymerase, such as Taq polymerase (an enzyme originally isolated from the bacterium Thermus aquatics).This DNA polymerase enzymatically assembles a new DNA strand from DNA building blocks, the nucleotides, by using single-stranded DNA as a template and DNA oligonucleotides... | 3,085 | medmcqa_train |
Abdominal pain in Henoch Schonlein purpura is due to - | Ans. is 'a' i.e., Mucosal erosions and swelling of the GI mucosa Abdominal pain in HSPo The second most frequent symptom of Henoch-Schonlein purpura is abdominal pain, which occurs in up to 65 percent of cases. The most common complaint is colicky abdominal pain, which may be severe and associated with vomiting. Stools... | 3,086 | medmcqa_train |
An 8 year old child has shown of lack of interest in studies for last 6 months. He has frequent quarrels with his parents and has frequent headaches as anexcuse to avoid school. What would be the most appropriate clinical diagnosis in this patient? | Since the person in the question is showing a hostile behavior which is impairing his academic activities for the last 6 months, the most appropriate next step would be to rule out Oppositional defiant disorder.Oppositional defiant disorder is a recurrent pattern of negativistic, hostile or defiant behavior that lasts ... | 3,087 | medmcqa_train |
A 12-year-old boy had a gradually progressive plaque on a buttock for the last 3 years. The plaque was 15 cm in diameter, annular in shape, with crusting and induration at the periphery and scarring at the centre. The most likely diagnosis – | This boy has
Annular plaque
On buttock
Crusting at periphery
Scarring at centre
These suggest the diagnosis of lupus vulgaris.
Annular lesions
When the lesions of a skin disease are arranged in ring shape, they are called annular lesions. | 3,088 | medmcqa_train |
Mortality rate of measles in developing countries- | Ans. is 'a' i.e., 10% o Measles-associated mortality is usually higher among the very' young and very old.o Mortality in developing countries may be as high as 10 to 15% due to one or several factors, including the early age of infection, malnutrition, diarrhea, concomitant-secondary bacterial infections, and lack of a... | 3,089 | medmcqa_train |
Most common site of berry's aneurism is - | Ans. is' b' i.e., Junction of anterior cerebral and anterior communicating artery Most common sites of Berry's Aneurysma. Junction of anterior cerebral and anterior communicating arteryb. Bifurcation of MCAc. Trifurcation of CIAd. Bifurcation of basilar artery | 3,090 | medmcqa_train |
Smoothest and maximum polishability is the property of: | These properties are due to low filler loading, hence microfilled composites are principally used for anterior esthetic restorations. | 3,091 | medmcqa_train |
Hyalin emembrane disease presents as | In hyaline membrane disease the basic pathology is surfactant defeciency.surfactant is a lipoprotein containing phospholipids like phosphatydylcholine and phosphatydylglycerol. Surfactant is produced by type ll alveolar cells of lungs which helps to reduce surface tension in alveoli,in its absence surface tension incre... | 3,092 | medmcqa_train |
Secondary active transport true is - | Ans. is 'c' i.e., Uses ATP molecule Active transporto As the name suggests active transport is active pumping of drug molecules through a membrane against concentration gradient by a molecular pump (carrier mediated), which requires energy to function.o So, active transport has following characteristics:Movement is aga... | 3,093 | medmcqa_train |
Which muscleft is the chief mover of the mandible towards the left | The formula method states that the right lateral pterygoid moves the mandible left, whereas the left lateral pterygoid moves the mandible right. | 3,094 | medmcqa_train |
Bilateral rib notching is seen in – | Radiological features of COA
Reverse figure of '3' sign or double bulge sign or E sign on the left border of aortic shadow is formed by (above downward:- Prestenotic dilatation; coarctation itself (indentation); poststenotic dilatation.
Double aortic knuckle.
Dock's sign:- There is bilateral notching of inferior margi... | 3,095 | medmcqa_train |
A gallstone gets impacted most commonly in which pa of common bile duct | Most gallstones pass out of body unnoticed, but some become lodged in the common bile duct, causing jaundice A frequent site of gallstone impaction is the ampulla of vater, where common channel meets the small intestine Blockage of the common channel by a gallstone can induce acute pancreatitis Ref: Internet sources | 3,096 | medmcqa_train |
Which of the following is the order of activation after stimulation of Purkinje fibers is | Order of depolarization in the heart.
- First- Left side of interventricular septum
- Moves to right across the mid-portion of the septum
- Apex of heart
- Along ventricular walls to AV groove (Endocardium to epicardium)
- Last- Posterobasal portion of the left ventricle, pulmonary co... | 3,097 | medmcqa_train |
Bariatric surgical procedures include | Treatment for Obesity includes * Dieting. * Exercise.and also the various modalities of surgery indicated is the following, * Veical banded gastroplasty. * Gastric bypass. * Laparoscopic gastroplasty or gastric bypass. * Jaw wiring. * Biliopancreatic diversion. * Jejuno-ileal bypass ref: SRB&;s manual of surgery, ed 3,... | 3,098 | medmcqa_train |
Which one of the following factors is labelled as cytokine in the pathogenesis of systemic inflammatory response syndrome (SIRS) ? | Ans. is 'd' i.e., Tumor Necrosis factor | 3,099 | medmcqa_train |
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