query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
value |
|---|---|---|---|
True- Koebner phenomenon is present in all except- | Ans-C Note-Psuedo Koebner phenomenon | 20,800 | medmcqa_train |
Which of the following statements about Cushing’s disease is true? | Cushing’s syndrome is due to increased adrenal cortisol production, regardless of etiology.
Cushing’s disease usually is caused by a pituitary microadenoma producing high adrenocorticotropin (ACTH) levels.
In most patients, cortisol levels would be suppressed as a result of the high-dose dexamethasone suppression test.... | 20,801 | medmcqa_train |
All of the following are features of fundus examination using direct ophthalmoscope, EXCEPT: | Field of vision with a direct ophthalmoscope is about 10-15 degrees, whereas with an indirect ophthalmoscope it is 35 degrees. Characteristics of direct and indirect ophthalmoscopy: Direct ophthalmoscopy Indirect ophthalmoscopy Magnification About 15 x About 2.5 x Depth of field Small Large Field of vision 10 - 15 degr... | 20,802 | medmcqa_train |
Best method of estimation of amount of proteinuria in a child with nephrotic syndrome is - | Ans. is 'b' i.e., 24 hr urine for protein and creatinine Methods Available to Test for ProteinuriaMethodIndicationsNormal RangeCommentsDipstick testingRoutine screening for proteinuria performed in the officeNegative of trace in a concentrated urine specimen (specific gravity: > 1.020)False-positive test can occur if u... | 20,803 | medmcqa_train |
A boy presents with complaints of hypoaesthesia and wasting of thenar eminence. The nerve most likely to damage in this patient:- | Ans. is 'b' i.e. Median nerve The thenar muscle (except adductor pollicis) and the skin over thenar eminence are supplied by the median nerve. | 20,804 | medmcqa_train |
Which of the following is an absolute indication for surgery in cases of benign prostatic hyperplasia ? | Ans. is 'c' i.e. Recurrent urinary tract infection | 20,805 | medmcqa_train |
In instrumental vaginal delivery: | In case of failed ventouse, forceps may be used. Ref: Textbook of Obstetrics By Dutta, 4th Edition, Pages 397, 398, 613-614 | 20,806 | medmcqa_train |
A 21-year-old man is seen in the clinic for assessment of a nonproductive cough, shortness of breath, and chest pain which changes with breathing. He also complains of pain in the left arm. On physical examination, there is tenderness over the left shoulder, heart sounds are normal, and the lungs are clear. A CXR revea... | The next most appropriate test would be a better definition of the lung findings with a high- resolution CT scan. The other more invasive investigations may be more appropriate after the CT. Primary pulmonary Langerhans cell histiocytosis (PLCH), also called eosinophilic granuloma of the lung, pulmonary Langerhans cell... | 20,807 | medmcqa_train |
Investigation of Choice post datism? | ANSWER: (A) USGREF: Dutta 6th edp. 319Post dated pregnancy: (> 2weeks beyond the expected date of delivery (gestational age > 294 days)Etiology:Wrong dates : most commonHereditaryPrimi, sedentary habit, previous prolonged pregnancy, elderly multiparaFetal congenital anomalies like anencephalyPlacental sulphatase defici... | 20,808 | medmcqa_train |
Niemann-Pick disease is- | Niemann-Pick disease is a group of inherited, severe metabolic disorders in which sphingomyelin accumulates in lysosomes in cells. The lysosomes normally transpo material through and out of the cell. The prognosis is individual, but the severe form is fatal in toddlerhood and, in some cases, patients with the milder fo... | 20,809 | medmcqa_train |
The following disease require isolation to break transmission except - | Tetanus infections are acquired almost always by contamination of wounds with tetanus spores, usually found in soil and dust. Ref: 25th edition, Park's Textbook of Preventive and Social Medicine, Page no. 339 | 20,810 | medmcqa_train |
All of the following are most important and potential agents which can be used for Bio-terrorism except | Category A - Can be easily disseminated, High mortality rates, Public panic and disruption.
Category B - Moderately easy to disseminate, Moderate morbidity + low mortality, Require enhanced diagnostic capacity, Require enhanced surveillance.
Category C - Emerging pathogens, Available, Ease of production, High morbidity... | 20,811 | medmcqa_train |
The silver-copper eutectic alloy may be classified under which of the following? | The silver-copper eutectic alloy may be classified as the 3rd generation amalgam.
Reference: Marzouk Operative dentistry, pg-106 | 20,812 | medmcqa_train |
Mallory bodies contain - | Ans. is 'b' i.e., CytokeratinsMallory hyaline (mallory bodies) o Mallory bodies are eosinophilic intracytoplasmic inclusion bodies which are composed predominantly of keratin intermediate filaments.o They are also known as alcoholic hyaline.o These inclusions are characteristic but not specific feature of alcoholic liv... | 20,813 | medmcqa_train |
Real-time PCR is used for: | Real-time PCR is used for monitoring the amplification of target DNA. In this PCR, we use SYBR-green dye, which has a propey of giving fluorescence when bound to dsDNA. When DNA synthesis is occurring then gradually ds DNA is increased in amount so fluorescence is also increased. This fluorescence can be measured and t... | 20,814 | medmcqa_train |
Swine flu is caused by? | ANSWER: (A) H1N1REF: See APPENDIX-69 for details of "H1N1 influenza"Repeat (**) | 20,815 | medmcqa_train |
The shown instrument is used for the dissection of:- | Rachiotomy saw used in the dissection of spinal cord. * The spinal cord can be removed from an anterior or posterior approach and usually removed separately from the brain. * If there is no indication, the spinal cord need not be exposed. | 20,816 | medmcqa_train |
A patient presents with hematuria of several days and dysmorphic RBC casts in urine. The site of origin is : | Clinical Significance Of different casts: Hyaline casts A normal constituent of urine and has no attatched significance Tom Horsfall protein is protein secreted by epithelial cells of loop of henle. This protein may be excreted as Hyaline cast. RBC Cast Are suggestive of glomerular injury or acute glomerular injury or ... | 20,817 | medmcqa_train |
Cobimetinib is approved for treatment of? | Cobimetinib is approved for RX of melanoma in patients with unresectable or metastatic melanoma with BRAF V600E or V600K mutation, in conjunction with Vemurafenib. Cobimetinib - Reversible inhibitor of mitogen-activated protein kinase (MAPK)/extracellular signal regulated kinase. | 20,818 | medmcqa_train |
Maximum pressure in the left ventricle is seen in which phase of the cardiac cycle | The maximum ventricular pressure around 140 mm Hg is achieved during the rapid ejection phase Ref: Ganong 25th ed/page 540 | 20,819 | medmcqa_train |
Hirschsprung disease is confirmed by – | Rectal suction biopsy is procedure of choice. | 20,820 | medmcqa_train |
False about lacerated wound is? | Features of laceration
Edger ragged, irregular and bruised.
Tissue bridges present.
Vessels, nerves and hair bulbs crushed.
Less hemorrhage. | 20,821 | medmcqa_train |
Kaposi sarcoma arise from | Explanation:
Ans. is ‘b’ i.e.,
Kaposi sarcoma is an intermediate grade, multicentric vascular, tumour
The pathogenesis of Kaposi sarcoma is complex, fundamentally it is an angio proliferative disease that is not a true neoplastic sarcoma.
It is a manifestation of excessive proliferation of spindle cells that are believ... | 20,822 | medmcqa_train |
Nerve not damaged in breast surgery is? | ANSWER: (A) Median nerveREF: Breast surgery by William G. Cance page 95Following nerves get injured during breast surgeries:Axillary motor nervesThe long thoracicThoracodorsalMedial pectoralnerves | 20,823 | medmcqa_train |
Sterility is caused by which of the following drug | Alkylating agents can cause serious adverse effects like sterility and leukamiasRef:Goodman and Gilman 11/e p1327 | 20,824 | medmcqa_train |
CT severity index is a measure of | Ans. (b) PancreatitisRef: Sabiston 20th ed; pg. 1528* Balthazar scoring is a CT scoring system* CTSI is one of the best system used to classify the severity of pancreatitis. | 20,825 | medmcqa_train |
Antigen-antibody reaction is detected by (PGI Nov 2009) | Ans: A (ELISA) & D (Western blot) "In western blots (also called immunoblots) protein molecules in the sample are separated by electrophoresis & blotted (transferred) to a membrane. The probe is a labeled antibody, which produces a band at the location of its antigen"- Lippincott's Biochemistry 4th/484Table (Lippincott... | 20,826 | medmcqa_train |
Karyotyping is useful in diagnosis of: | Chromosomal abnormalities can be assessed with karyotyping. Ref: Edwin H. McConkey, (1993), Chapter 9, "Genetic Screening", In the book, "Human Genetics: The Molecular Revolution", London, Page 187; Wintrobe's Cliical Hematology, 12th Edition, Page 54 | 20,827 | medmcqa_train |
Flexion, adduction & medial rotation at shoulder joint is by which muscle? | Ans. A. Pectoralis majorThe pectoralis major is a thick, fan-shaped muscle, situated at the chest of the human body. It makes up the bulk of the chest muscles and lies under the breast. The pectoralis major's primary functions are flexion, adduction, and internal rotation of the humerus.It arises from the anterior surf... | 20,828 | medmcqa_train |
A puff of smoke appeared on cerebral angiography is seen in : | Ans. c. Moyamoya disease (Ref: Nelson 19/e p2982; style="font-size: 1em; font-family: Times New Roman, Times, serif">) Puff of smoke appearance on cerebral angiography is seen in Moyamoya disease. Fig. 32: Puff of smoke appearance on cerebral angiography is seen in Moyamoya disease Moyamoya disease Moyamoya disease is ... | 20,829 | medmcqa_train |
Laryngocele arises as a herniation of laryngeal mucosa through which of the following membrane? | An external laryngocele arises as a result of herniation of the laryngeal mucosa through the thyrohyoid membrane and presents in the neck. | 20,830 | medmcqa_train |
Which drugs show coronary steal phenomenon? | Isoflurane, dipyridamole produce coronary steal phenomenon in which blood is deted from ischemic area to non-ischemic area-stealing the mail pool of blood in needy area. ref. HL Sharma 3rd ed. | 20,831 | medmcqa_train |
Which one of the anti-tubercular drug may precipitate gout - | Ans. is 'a' i.e., Pyrazinamide o Pyrazinamide causes hyperuricemia. | 20,832 | medmcqa_train |
Louse borne is | Ans. is 'c' i.e., Epidemic typhus | 20,833 | medmcqa_train |
Changes associated with normal aging include all of the following except: | Normal aging is not associated with decreased intelligence. Decreased rapid eye movement (REM) sleep, adiminished sense of taste and smell, increased sleep latency and thinning of the vaginal mucosa are associated with normal ageing. | 20,834 | medmcqa_train |
KOH wet mount is prepared for - | Ans. is 'b' i.e., Candidate/: Harrison 17th/e Chapter 14; Greenwood 16th/e p. 570; Ananthnarayan 8th/ep. 601}Laboratory diagnosis of fungal infectionso Laboratory diagnosis of fungal infection depends on :Direct microscopyTissue specimens such as skin scarpings, are generally examined as wet mounts after treatment with... | 20,835 | medmcqa_train |
True for Hodgkin&;s stage IAi s - | <p>Historically , radiotherapy to lymph nodes alone has been used to treat localised stage 1A disease effectively ,with no adverse prognostic features.</p><p>Davidson&;s principles & practice of medicine 22nd edition pg no 1043</p> | 20,836 | medmcqa_train |
Patients suffering from which of the following disease as per ICD/DSM criteria are eligible for disability benefit as per National Trust Act? | The National Trust Act is applicable for autism, cerebral palsy, mental retardation and multiple disabilities. | 20,837 | medmcqa_train |
A 5 year old boy presents with hepatomegaly, hypoglycaemia & ketosis. The diagnosis is | Patients with type I GSD may present in the neonatal period with hypoglycemia and lactic acidosis.
These children often have doll-like faces with fat cheeks, relatively thin extremities, short stature and a protuberant abdomen that is due to massive epatomegaly; the kidneys are also enlarged, whereas the spleen and h... | 20,838 | medmcqa_train |
Bisecting angle technique is based on: | The bisecting-angle technique is based on a simple geometric theorem, Cieszynski’s rule of isometry, which states that two triangles are equal when they share one complete side and have two equal angles. | 20,839 | medmcqa_train |
A 5-year-old unimmunized child presented with sore throat & swelling of neck. On examination of throat, the following was seen. What is the most probable causative organism? | d. Corynebacterium diphtheriaeA membrane is seen over the tonsil in this child with swelling of neck. Demonstration of bacilli on Albert staining, in the given scenario is suggestive of Diphtheria | 20,840 | medmcqa_train |
If BIRADS score is 4, your next step would be: | BIRADS (Breast Imaging Repoing And Data System) Category Definition Likelihood of Malignancy 0 Incomplete assessment, need additional imaging evaluation Not applicable 1 Negative, routine mammogram in 1 year is recommended 0% 2 Benign findings, routine mammogram in 1 year is recommended 0% 3 Probably benign findings, s... | 20,841 | medmcqa_train |
Contraindication of Enteral nutrition : | Ans. is ' a ' , ' b ' , ' c ' Intestinal obstruction, Severe Pancreatitis, Severe diarrhoea In a pt. who is unable to take or resume an adequate dietary intake nutritional suppo is given enteral or parenteral routes. If the gastrointestinal tract is functioning and can be safely accessed, then enteral feeding is prefer... | 20,842 | medmcqa_train |
Normal female, whose father was color blind married a normal man. What are the chances of color blindness in son ? | Ans. is'b' i.e., 50% | 20,843 | medmcqa_train |
50-year-old man presents to the speech therapist complaining of dryness of the mouth. The therapist performs a swallowing study and, on examination, finds that the man has a lack of salivary secretion from the submandibular gland. This indicates a lesion of which of the following nervous structures? | Chorda tympani nerve contains preganglionic parasympathetic fibres responsible for secretion of the submandibular gland. Lingual nerve at its origin is not yet joined by the chorda tympani. Superior cervical ganglion provides sympathetic fibres, which supply blood vessels in the submandibular gland. Lesser petrosal ner... | 20,844 | medmcqa_train |
The following CT shows: ? | Ans. (a) Liver LacerationThe image shows a hematoma seen in the posterior part of liver (black area). | 20,845 | medmcqa_train |
Hardness of water is said to be beneficial for which disease: | Studies have shown an inverse relationship between the hardness of drinking water and the death rate from cardiovascular diseases. Diseases believed to be affected include atherosclerotic hea disease, hypeension, sudden deaths of cardiovascular origins etc. Ref: Park 21st edition, page: 672. | 20,846 | medmcqa_train |
Sickle cell anemia is characterized by:September 2010 | Ans. D: AutosplenectomySickle cell anemia causes autosplenism by causing hypoxia and infarcts in the spleen. Since in the spleen blood flow is sluggish, the oxygen tension is low.When red blood cells with hemogblobin S are exposed to this low oxygen tension they tend to aggregate and polymerize. Sickled cells also expr... | 20,847 | medmcqa_train |
All of the following can cause megakaryocyte thrombocytopenia, except: | . Aplastic anemia | 20,848 | medmcqa_train |
Latent phase of Labour is said to be prolonged when the duration in a primigravida is more than... | Latent phase in a Primigravida is prolonged if its more than 20 hours, multigravida if its more than 14 hours Labour Pattern Primigravida Multigravida Prolonged latent phase > 20hours >14 hr | 20,849 | medmcqa_train |
Surface marking of the oblique fissure of lung include all EXCEPT: | 7th rib does not come in the surface marking of oblique fissure. Oblique fissure Passes anteroinferiorly from the spinous process of the T3 veebra to cross the 5th rib in the midaxillary line Fuher continues inferiorly, crossing the 6th rib (and costal cailage) at the mid-clavicular line. | 20,850 | medmcqa_train |
When can a severely malnourished child be safely discharged from the hospital? | The child is said to have recovered when his weight for height is 90% of the NCHS median or has 15% weight gain, and he has no edema.Ref: Page 107; Ghai essential pediatrics; 8th edition | 20,851 | medmcqa_train |
The most preferred approach for pituitary surgery as the present time is | PITUITARY TUMOURS Classification: 1. Eosinophil (Acidophil) adenomas 2. Chromophobe adenomas: Differential diagnosis: Meningiomas, aneurysms 3. Basophil adenomas 4. Prolactin-secreting adenomas Treatment: Surgery: By subfrontal craniotomy approach or transphenoidal approach. Care should be taken not to injure optic c... | 20,852 | medmcqa_train |
All of the following anticancer drugs are Cell cycle NON-specific EXCEPT: - March 2013 | Ans. B i.e. Vincristine Mechanism of action of Vincristine Tubulin is a structural protein that polymerizes to microtubules. The cell cvtoskeleton and mitotic spindle, among other things, are made of microtubules. Vincristine binds to tubulin dimers, inhibiting assembly of microtubule structures. Disruption of the micr... | 20,853 | medmcqa_train |
The cause of pseudoclass III malocclusion is: | Functional class III or Pseudo class III
This condition requires special mention because treatment of this class of malocclusion is entirely different from the true class III situation. The differentiating feature of this condition is that the dental occlusion is class III in maximum intercuspation or habitual occlusio... | 20,854 | medmcqa_train |
In the Iceberg phenomenon of diseases, Tip of Iceberg shows | Ice Berg Phenomenon Tip- Cases - Responsibility of Clinician - Uses diagnosis - 2deg prevention Hidden/Submerged Poion- Carriers/Subclinical/Preclinical and latent cases - Responsibility of Epidemiologist - Uses screening - 2deg prevention | 20,855 | medmcqa_train |
In differentiating seizures from syncope, all the following features favor the former (seizures) except | (C) Clear sensorium after the event FEATURES THAT DISTINGUISH GENERALIZED TONIC-CLONIC SEIZURE FROM SYNCOPEFeaturesSeizureSyncope* Immediate precipitating factorsUsually noneEmotional stress, Valsalva,* Orthostatic hypotension, cardiac etiologies * Premonitorysy mptomsNone or aura (e.g., odd odor)Tiredness, nausea, dia... | 20,856 | medmcqa_train |
Which is the best initial fluid for resuscitation during the shock state | Crystalloids predominantly expand the interstitial and then the intracellular compament not the intravascular compament (expansion of intravascular compament is only transient). This is necessary to replenish the intracellular and interstitial compament as in a hypovolemic patient, the shock induced homeostasis has alr... | 20,857 | medmcqa_train |
Posthumous child means: March 2003 | Ans. A i.e. A child born after death of his/ her father | 20,858 | medmcqa_train |
Best test for diagnosis of tubal patency Is : | Laparoscopy | 20,859 | medmcqa_train |
Which antibody is most commonly produced in secondary immune response? | Ans. (a) IgGRef: Jawetz 24/e, chapter 8 | 20,860 | medmcqa_train |
4 hrs old 14 kg wt, 4 day h/o of loose stools dec urine output, delayed skin pinch, sunken eyes and dry mucosa, calculate fluid required for treating dehydration and maintanence for 4 hrs ? | Ans. is 'b' i.e., 1050 ml The child in question is having some dehydration and should be treated with Plan-B. According to plan-B, fluid requirement in first 4 hour is 75m1/kg. Weight of child in question is 14 kg. Thus fluid requirment in first 4 hours is 1050m1 (14 x 75). | 20,861 | medmcqa_train |
Skin lesion in meningococcal meningitis is due to | (B) Endotoxin # Virulence of Neisseria meningitidis was attributed to the production of an "exotoxin" that could be recovered from culture filtrates of the organism.> But when studies revealed that antitoxin reacted equally well with washed cells as culture filtrate, it was realized that the bacteria underwent autolysi... | 20,862 | medmcqa_train |
Swan neck deformity is: | Deformities of RA - Swan Neck Deformity - Flexion at DIP and hypeension at PIP - Flexor insufficiency of PIP - Boutonniere deformity / Button hole deformity - Extensor deficiency at PIP joint - Hypeension of DIP & Flexion of PIP - Z deformity of thumb - Ulnar detion of fingers Z-deformity of thumb | 20,863 | medmcqa_train |
All the following structures are pierced by Stenson's duct except | The parotid duct pierces buccal pad of fat, buccopharyngeal fascia, buccinator muscle and the mucous membrane to open into the vestibule of mouth opposite the crown of the upper second molar tooth.Reference: Chourasia; 6th edition; 61 pages | 20,864 | medmcqa_train |
Lardaceous spleen is seen in: | Amyloidosis of the spleen is seen in two forms :- The sago spleen in which amyloid deposits are limited to the follicles, And the lardaceous spleen in which amyloid is deposited in the walls of the splenic sinusoids and spares the follicles. | 20,865 | medmcqa_train |
None Not seen in alpha helix ? | Ans. is 'c' i.e., Proline Proline is never found in a-helix as it has imino group (-NH) not amino (-N112).Thus it cannot provide hydrogen for hydrogen bonding, the major stabilizing force of a-helix.Glycine also tends to disrupt a-helix; because of its high flexibility and small size it often induces bends in a-helix. | 20,866 | medmcqa_train |
A 4-year-old boy is brought to the physician by his parents because he tires easily. Physical examination reveals weakness in the pelvic and shoulder girdles and enlargement of the child's calf muscle. Serum levels of creatine kinase are elevated. A biopsy of calf muscle shows marked variation in size and shape of musc... | The symptoms of Duchenne muscular dystrophy (DMD) progress with age. During the first year of life, the infants appear normal, but more than half fail to walk by 18 months of age. More than 90% of afflicted boys are wheelchair bound by the age of 11 years. In advanced disease, cardiac symptoms are almost universal, and... | 20,867 | medmcqa_train |
One of the following is the t/t of choice for dermatitis herpetiformis – | Main treatment of dermatitis herpetiformis is gluten free diet and dapsone. | 20,868 | medmcqa_train |
All these structures are found in lateral nasal wall , except- | The lateral nasal wall is composed of three turbinates-superior turbinate,middle turbinate,inferior turbinate. Below each turbinate is the respective meatus: -inferior meatus -middle meatus -superior meatus -above the superior tirbinate lies the sphenoethmoidal recess. -just anterior to the middle meatus,is a small cre... | 20,869 | medmcqa_train |
Acute lead poisoning in children commonly presents with all of the following features except - | Ans is 'd' i.e., Peripheral Neuropathy Acute lead poisoning The most serious manifestation of lead poisoning in children is ACUTE ENCEPHALOPATHY. Encephalopathy includes ? o Persistant vomiting o Papilloedema o Lethargy o Impaired consciousness and coma o Ataxia o Seizures o Irratibility Peripheral Neuropathy which is ... | 20,870 | medmcqa_train |
Recent noble prize is for | The Nobel prize in Physiology or Medicine 2006 was awarded jointly to Andrew Z Fire and Craig C Mello for their discovery of RNA interference, gene silencing by double-stranded RNA. Ref: Ananthanarayanan and Paniker's textbook of microbiology 9th edition. | 20,871 | medmcqa_train |
Gaisbock syndrome is known as | Answer is C (Spurious Polycythemia) Gaisbock syndrome refers to Spurious Polycythemia or Relative Erythrocytosis due to decreased plasma volume. | 20,872 | medmcqa_train |
Deposition of Anti DS (Double stranded) DNA Ab in kidney, skin, choroid plexus and joints is seen in: | Anti-DS DNA antibodies are found in 30-50% of SLE patients. Anti-ds DNA antibodies and Anti-smith (anti-sm) antibodies are highly specific and diagnostic features of SLE. Ref: Pathologic Basis of Disease, Robbins, 7th Edition, Page 229; Davidson's principles and practice of Medicine, 20th Edition, Chapter 25, Page 1132... | 20,873 | medmcqa_train |
Clue cells are- | Ans. is 'a' i.e., Epithelial cells Clue cells are seen on wet mount microscopy of discharge in bacterial vaginosis. They are epithelial cells having a granular cytoplasm and fuzzy border, caused by gram negative bacilli adhered to their surface.Microscopic features of Bacterial vaginosiso Microscopy of bacterial vagino... | 20,874 | medmcqa_train |
All of the following statements are true, EXCEPT: | Cycloxgenase enzyme exist in two isoforms COX 1 and COX2. Cycloxygenase 1 is not an inducible enzyme, it has physiological house keeping functions. Cycloxygenase 2 is normally present only in minute quantities. It is an inducible enzyme, it is induced by cytokines and other signal molecules at the site of inflammation ... | 20,875 | medmcqa_train |
Function of surfactant is- | Ans. is 'd' i.e., Reduction in surface tension * The major function of surfactant is to reduce the surface tension of fluid lining the alveoli.* The water molecules on the surface of water (at air-water interphase) have an especially strong attraction for one another. This results in the water surface to contract produ... | 20,876 | medmcqa_train |
Dislocation of lens is seen in – | Homocystinuria can cause dislocation of lens. | 20,877 | medmcqa_train |
During a paial hysterectomy leaving the ovaries intact, the surgeon detaches the ovary from the uterus by transecting the ovarian ligament. This ligament developed from which embryonic structure? | The ovarian ligament and the round ligament of the uterus are formed by the gubernaculum. The mesonephric duct gives rise only to the vestigial epoophoron in the female. The urogenital folds form the labia minora. The processus vaginalis forms no adult female structures, while the paramesonephric ducts form the uterine... | 20,878 | medmcqa_train |
All of the following are suggestive of Iron deficiency anemia except: | Ans. C. Increased Red blood cellsIron deficiency has a low RBC count. Thalassemia major is also a differential of microcytic hypochromic anemia but increased red cell count is a feature of Thalassemia and not Iron deficiency anemia. | 20,879 | medmcqa_train |
Approximately how many enamel rods will be present in a maxillary molar? | The number of enamel rods ranges from 5 million in Lateral incisor and 12 million in upper 1st molar. | 20,880 | medmcqa_train |
An 70-year-old male patient with uncontrolled hypertension has serum creatinine of 4.5, mild proteinuria. Renal ultrasound shows left kidney 9 cm and right kidney 7 cm in length {normal 10 cm). There was no obstruction. What is the next investigation of choice? | Ans: C (Isotope renogram) Ref: Harrison's Principles of Internal Medicine, 18th ednExplanation:Imaging Studies in Chronic Kidney DiseaseThe most useful imaging study is a Renal ultrasound.Advantages of Renal Ultrasoundo Verify the presence of two kidneyso Determine if they are symmetrico Provide an estimate of kidney s... | 20,881 | medmcqa_train |
False about erythema nodosum? | Erythema nodosum (EN) is a cutaneous reactive septal panniculitis with no vasculitis. Causes: Drugs like OCPs, sulphonamides and Penicillin. Infections - Gp A b haemolytic Streptococcus infection, Brucella, Toxoplasmosis, CMV, E.coli etc. Tuberculosis Sarcoidosis Crohn's disease> Ulcerative colitis SLE, RA, Reiter's Sy... | 20,882 | medmcqa_train |
In vitamin B12 deficiency, folate is trapped in the form of | Methylation of homocysteine to methionine is the only way of regeneration of active THFA from methyl THFA. Methionine synthase reaction requires methyl cobalamin. So, deficiency of methyl-B12 leads to trapping of THFA in less utilised methyl-THFA - phenomenon known as folate trap. | 20,883 | medmcqa_train |
Muscle relaxant safe in renal failure patient is: September 2008 | Ans. D: Atracurium Suxamethonium should be avoided if hyperkalaemia is present. Some non-depolarising muscle relaxants depend on the kidney for elimination. Atracuriuin is the agent of choice as it undergoes spontaneous Hoffman degradation at body temperature. Vecuronium and mivacurium are safe to use in renal failure ... | 20,884 | medmcqa_train |
Risk of the damage of fetus by maternal rubella is maximum if mother gets infected in- | <p>congenital rubella syndrome:- Refers to infants born with defects secondary to intrauterine infection or who manifest symptoms or signs of intrauterine infection sometime after bih. Congenital infection is considered to have occurred if the infant has IgM antibodies sholy after bih.( as IgM antibodies do not cross p... | 20,885 | medmcqa_train |
Most common cancer of anus: | Ans. (b) Squamous cell CARef: Sabiston 19th ed. /1405-06B CARCINOMA ANAL CANAL* Carcinomas arising proximal to the (dentate line) pectinate line are known as basaloid,cuboidal, or cloacogenic tumors; about one-third of anal cancers have this histologic pattern.* Malignancies arising distal to the pectinate line have sq... | 20,886 | medmcqa_train |
Which of the following is used in prophylaxis of Meningococcus? | Rifampicine is used in chemoprophylaxis but penicillin may be used to treat cases. Rifampicin is the prophylactic antibiotic of choice for contacts of patients with meningococcal disease. Ceftriaxone should only be used in specific situations where rifampicin is considered unsuitable, such as in pregnancy. Rifampicin, ... | 20,887 | medmcqa_train |
Recovery in cataract surgery is fastest with which of the following? | . | 20,888 | medmcqa_train |
The most effective noninvasive test for the diagnosis of Helicobacter-associated gastric ulcers is | H. pylori antigen tests using an ELISA format and a monoclonal antibody to H. pylori are as sensitive as culture of the control portion of the stomach. Urea breath tests are also widely used. H. pylori has an active enzyme (urease) which breaks down radioactive urea. The patient releases radioactive CO2 if H. pylori ar... | 20,889 | medmcqa_train |
Which polyp has got the maximum risk of turning into malignancy ? | Ans. is 'c' i.e., Tubular villous adenomaNon-Neoplastic Polyps PolypsLocationHistologicaltypeRisk ofmalignancyAssociatedlesionsHyperplastic polypsColonHyperplastic colonicepithilial cellsRare Juvenile polypsLarge and smallintestine and stomachHamaomasRareoPigmentation in mouthPeutz-jegherssyndromeJejunum (mainly)rest o... | 20,890 | medmcqa_train |
All are true about drug induced lupus, EXCEPT: | DRUG INDUCED LUPUS: Symptoms are Fever, malaise, ahritis or intense ahralgias/myalgias, serositis, and/or rash. ANA will be positive Less female predilection than SLE, rarely involves kidneys or brain. It is rarely associated with anti-dsDNA Antibodies to histones positive Resolves over several weeks after discontinuat... | 20,891 | medmcqa_train |
Which of the following drug is preferred for skin rash in LE? | Ans. c. ChloroquineChloroquine (Antimalarial drug) act as a systemic sunscreen by providing photoprotection. So used as prophylactic agent in LE. | 20,892 | medmcqa_train |
Position of internal hemorrhoid in anus is especially common in | Answer- B. 11 0' clock positionInternal hemorrhoids characteristically lie in 3, 7 and 11 o'clock positions. | 20,893 | medmcqa_train |
Allosteric inhibition of an enzyme is - | Ans. is 'b' i.e., Binding of inhibitor to other site and inhibition of enzyme o Some enzymes, called allosteric enzymes, posses a site, in addition to substrate binding (catalytic) site, known as the allosteric site.o Binding of allosteric modulator at the allosteric site affects the conformation of catalytic site,o Su... | 20,894 | medmcqa_train |
Aplastic anemia can progress to -a) AMLb) Myelodysplastic anemiac) Pure red cell aplasiad) Paroxysmal nocturnal hemoglobinuriae) Myelofibrosis | Aplastic anemia is a pancytopenia with bone marrow hypocellularity. It can progress to –
Paroxysmal Nocturnal hemoglobinuria
Myelodysplastic anemia
Rarely acute leukemia
Pure red cell aplasia is a selective disease of absence of erythrocyte progenitor cells. In contrast to aplastic anemia and MDS, the unaffected line... | 20,895 | medmcqa_train |
Which of the following tests is not used for detection of specific aneuploidy: | D i.e. Microarray - FISH (Fluorescent in situ hybridisation) and PCR (polymerase chain reaction) like -PCR and QF PCR tests can detect specific anemploidyQ. - Whereas, microarray based CGH (comparative genomic hybridization) test can be used as high resolution whole genome scan for the detection or screening of unknown... | 20,896 | medmcqa_train |
Akinetic mutism is seen in lesion of which of the following lobes? | Ans. D. Frontala. Akinetic mutism is a condition in which patient neither moves (akinesia) nor speak (mutism).b. It is the result of severe frontal lobe injury in which the pattern of inhibitory control is one of increasing passivity and gradually decreasing speech and motion. | 20,897 | medmcqa_train |
The most malignant endometrial carcinoma is : | Ans. is d i.e. Clear cell carcinoma Endometrial cancers can be histologically classified as : Features Type I 'Type II Unopposed estrogen Present Absent Menopausal status Pre-and perimenopausal Postmenopausal Hyperplasia Present Balck Race White Black Grade Low High Myometrial invasion Minimal Deep Specific subtypes En... | 20,898 | medmcqa_train |
Volume determining preload is: | A i.e End diastolic volume of ventricles According to frank-starling law, the length of muscle fibers (extent of the pre-load) is propoionate to the end diastolic volumeQ | 20,899 | medmcqa_train |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.