query stringlengths 1 1.57k | pos stringlengths 1 22.5k | idx int64 0 161k | task_name stringclasses 1
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Type of graft, best suited for renal transplantation | Isograft is the graft of tissue between two individuals who are genetically identical i:e, monozygotic twins. Transplant rejection between two such individuals viually never occurs. As monozygotic twins have the same histocompatibility complex, there is very rare chance of rejection of transplanted tissue by the adapti... | 151,200 | medmcqa_train |
Which one of the following is a nucleoside analog reverse transcriptase inhibitor? | (C) Zidovudine # RTIs come in 3 forms:> Nucleoside analog reverse transcriptase inhibitors (NARTIs or NRTIs)> Nucleotide analog reverse transcriptase inhibitors (NtARTIs or NtRTIs)> Non-nucleoside reverse transcriptase inhibitors (NNRTIs)> Nucleoside analog reverse transcriptase inhibitors (NARTIs or NRTIs): compose th... | 151,201 | medmcqa_train |
Hand, foot and mouth disease is caused by which of the following viruses? | Hand, foot and mouth disease is caused by Coxsackie A vims which usually affects children. Ulcers are seen on the tongue, palate and anterior part of oral cavity. Vesiculopapular lesions are seen on the palms and soles also.Cytomegalovirus causes large ulcers in oral cavity and exudative pharyngotonsillitis.Herpes simp... | 151,202 | medmcqa_train |
According to WHO, exclusive breast milk is given upto- | Ans. is 'a' i.e., 6 months Exclusive breast feeding : The baby should be given only breast milk and nothing else (not even water) for first 6 months of life. Weaning should be started by 6 months of age with semisolid food, in addition to continuing breast feeding.o The WHO recommends exclusive breast feeding for the f... | 151,203 | medmcqa_train |
Rate limiting enzyme in testosterone synthesis | Cholesterol is first acted upon by desmolase and a 6-carbon unit is cleaved off, forming 21 carbon steroid, pregnenolone It is the common precursor for all the steroid hormonesRef: DM Vasudevan, 7th edition, page no: 664 | 151,204 | medmcqa_train |
Not seen in alpha helix | a-Helix: A peptide chain forms regular helical coils called a-helix. These coils are stabilized by hydrogen bonds between carbonyl O of 1st amino and amide N of 4th amino acid residues. Thus in a-helix intrachain hydrogen bonding is present. The a-helices can be either right handed or left handed. Left-handed a-helix i... | 151,205 | medmcqa_train |
Medical certificate is - | Medical certificate is the simplest type of written/documentary evidence. | 151,206 | medmcqa_train |
Most sensitive test for acute fetal distress : | Loss of beat to beat variation of hea beat | 151,207 | medmcqa_train |
The plateau phase of action potential is due to: | There are 5 phases of action potential. The plateau phase corresponds to phase 2 of action potential. Plateau phase is due to slow influx of calcium ions resulting from opening of sarcolemmal L type calcium channels and also due to closure of a distinct set of K+ channels called the inward rectifying K+ channels. Phase... | 151,208 | medmcqa_train |
Which drug is used in treatment of vertigo - | Ans. is 'a' i.e., Cinnarizine o Vertigo is due to labyrinthine disorder and the impulse utilizes cholinergic muscarinic and HI histamic receptors (similar to motion sickness).o So, the drugs used are antimuscarinic, phenothiazines (phenothiazines have anticholinergic property) and antihistaminics.o Cinnarizine (act by ... | 151,209 | medmcqa_train |
Chemotherapeutic drugs can cause | Many therapeutic drugs can cause cell or tissue injury in a susceptible patient or if used excessively or inappropriately.Radiation, cytotoxic anticancer drugs, extremes of temperature, and even hypoxia can damage DNA, either directly or through the production of free radicals. If repair mechanisms cannot cope with the... | 151,210 | medmcqa_train |
First step of treatment of a person with FAP family history is | Gene testing is performed first. If positive screening begins from 10 years of age. | 151,211 | medmcqa_train |
Which of the following is an activator of LCAT | Apo-Al
Apo A-I is an activator for lecithin : cholesterol acyl transferase (LCAT). | 151,212 | medmcqa_train |
A patient diagnosed to have deep vein thrombosis is being treated with heparin. Which of the following test will you order to adjust its dosage ? | Ans. is 'd' i.e., Activated paial thromboplastin time o Lab control of heprin is done by monitoring aPTT. | 151,213 | medmcqa_train |
A 72-year-old man has had increasing dyspnea for the past year. Decreased breath sounds are heard on auscultation of the right side of the chest. A chest radiograph shows a large pleural mass that nearly encases the right lung. Exposure to which of the following metals is most likely to be associated with these finding... | Asbestos fibers can cause pulmonary interstitial fibrosis with restrictive lung disease, and there is an increased risk of malignancy. Individuals who have been exposed to asbestos and who smoke have a greatly increased incidence of bronchogenic carcinoma. Mesothelioma is uncommon, even in individuals with asbestos exp... | 151,214 | medmcqa_train |
Super antigen is produced by all the following except: | Enterococcus fecalis is not a super antigen. | 151,215 | medmcqa_train |
Sphincter urethrae is present in- | Urethra
- Length
o Male- 20 cms
o Female- 4 cms
- Shortest part of the male urethra- Membranous part
- The longest part of the male urethra- Penile urethra
- Location of sphincter urethrae- Membranous part
- Prostatic urethra
o Widest part
o Most dilatable part
o Concave ant... | 151,216 | medmcqa_train |
Organophosphorous compounds act by which of the following? | Ans. b (Inhibiting Acetyl choline esterase). (Ref. Parikh, Textbook of FMT, 5th/892)ORGANOPHOSPHOROUS COMPOUND POISONING# It produces cholinergic syndrome (muscarinic and nicotinic effects).# Muscarinic effects include:- bradycardia, bronchorrhoea, lacrimation, sweating, hyperperistalsis, wheezing, salivation, incontin... | 151,217 | medmcqa_train |
The most retentive type of amalgam pin is: | The most frequently used pin type is the small self-threading pin. Friction-locked and cemented pins, although still available, are rarely used.
The diameter of the prepared pinhole is 0.0015 inch to 0.004 inch smaller than the diameter of the pin. The threads engage the dentin as it is inserted, retaining the pin. Th... | 151,218 | medmcqa_train |
Power of chief judicial magistrate is imprisonment upto - | Chief Judicial Magistrate: Imprisonment up to 7 years and unlimited fine. REF: The Synopsis of Forensic Medicine and Toxicology 29th edition page no: 4. | 151,219 | medmcqa_train |
Leaf like helminths are also called: | Ans. is 'a' i.e., Flat leaf like worms* Cylindrical helminthes - Nematodes (roundworms)* Flat, segmented helminthes - Cestodes (tapeworms)* Flat, leaf like helminthes - Trematodes (flukes) | 151,220 | medmcqa_train |
False sense of perception without any external object or stimulus is known as: | Ans. is 'c' i.e. Hallucination Hallucination - A perception that occurs in the absence of a stimulusIllusions - A misinterpretation of stimuli arising from external objects.Phobia - An irrational fear of an object, situation or activityImpulse - A sudden often unreasoning determination to perform some act. | 151,221 | medmcqa_train |
Duschene muscular dystrophy true ? | Ans. is 'c' i.e., Universal increase in creatine kinase Duchenne and Becker's muscular dystrophy are X-like recessive. So expression of gene is essentially confirmed in males. Females are affected only if X-chromosome carrying the normal allele is lost or inactivated Becker is milder form with late onset and slow progr... | 151,222 | medmcqa_train |
45-year-old man is placed on an antifungal agent for systemic infection. He is noted to have decreased serum leukocyte and platelet counts. Bone marrow suppression is a common adverse effect of which of the following drugs | ANTIMETABOLITE Flucytosine (5-FC) Mech of action:- It is a pyrimidine antimetabolite which is inactive as such. After uptake into fungal cells, it is conveed into 5-fluorouracil and then to 5-fluorodeoxyuridylic acid which is an inhibitor of thymidylate synthesis. Thymidylic acid is a component of DNA. 5-FC is a narrow... | 151,223 | medmcqa_train |
Cofactor for dopamine hydroxylase ? | Dopamine 8-hydroxylase is a 'copper' containing monooxygenase that requires ascorbic acid and molecular oxygen.It catalyzes the formation of norepinephrine. | 151,224 | medmcqa_train |
Eating disorder with normal weight is- | Ans. is 'b' i.e. Bulimia nervosa Bulimia nervosao Bulimia nervosa is characterized by episodes of uncontrollable excessive eating (binges) followed by vigrous weight-reducing measures like self-induced vomiting, purgative abuse, diuretics, or abuse of emetics; and less commonly severe dieting and stemous exercise.o Epi... | 151,225 | medmcqa_train |
A multipara with previous LSCS comes at 38 weeks pregnancy in shock. Differential diagnosis includes: | Shock in Obstetrics:
Causes of shock during pregnancy | 151,226 | medmcqa_train |
A protein with molecular weight of 100 kD is subjected to SDS PAGE electrophoresis. The SDS PAGE electrophoresis pattern shows two widely separated bands of 20kD after addition of Mercaptoethanol. The true statement regarding this will be | D. Polyacrylamide gel electrophoresis (PAGE) It has a high molecular sieving effect and so separation is very efficient. In agar gel electrophoresis, serum components are separated into 5 fractions; while in PAGE serum will show more than 20 different bands. The amount of cross linking and thereby the pore size can be ... | 151,227 | medmcqa_train |
Organelle where H202 is produced and destroyed is? | Ans. is 'a' i.e., Peroxisome Peroxisome is a membrane bound organellel found in all eukaryotic cells. "Peroxisomes contain a group of enzymes that oxidize a variety of substrates and thereby form hydrogen peroxide. The H202 thus formed is efficiently decomposed within the organelle by catalase which is present in high ... | 151,228 | medmcqa_train |
A middle-aged female present with lytic lesion in lower 1/3 of femur. Biopsy showed grooved nuclei and giant cells. No periosteal reaction seen. What is the confirmatory investigation for this case:- | Ans. (C) Cd1a and Langerin IHC(Ref: Apley's system of Orthopedics and Fracture 9th Ed; Page no-198 and 204)The possible diagnosis in the given scenario is Langerhans cell histiocytosis (LHC).Femur can be involved in LCH.LANGERHANS cells have a single large nucleus with characteristic folded or grooved nucleus (Coffee-B... | 151,229 | medmcqa_train |
Which is not a PUFA? | POLYUNSATURATED FATTY ACIDS (PUFA)The impoant polyunsaturated fatty acids are:Linoleic acid (18 C, 2 double bonds)Linolenic acid (18 C, 3 double bonds)Arachidonic acid (20 C, 4 double bonds)They are present in good quantities in vegetable oils such as sunflower oil (Fig. 7.2, Table 7.4). They are used to esterify chole... | 151,230 | medmcqa_train |
The most common side effect of IUD insertion is - | Most common side effect → Bleeding
Most common side effect requiring removal of the device → Pain | 151,231 | medmcqa_train |
Most common site of metastasis in Ca colon is | One-third of patients will have liver metastases at the time of diagnosis and 50% will develop them at some point, accounting for the majority of deaths. The lung is the next most common site; metastasis to ovary, brain, kidney, and bone is less common.Ref: Bailey and love, page: 1262 | 151,232 | medmcqa_train |
Neurofibromatosis true all, except aEUR' | Autosomal recessive Neurofibromatosis is an inherited disorder It is of two types: ? Neurofibromatosis - Neurofibromatois II Genetics of Neurofibromatosis Both the neurofibromas are inherited in an autosomal dominant pattern. The genes for them are located on different chromosome - NF-1--) Neurofibrin gene on chromosom... | 151,233 | medmcqa_train |
"3 by 5" initiative in AIDS control programme is - | Ans. is 'a' i.e., Providing 3 million people treatment by end of 2005 3 by 5 target o On lst December 2003, WHO and UN A IDS announced a detailed plan to reach the "3 by 5 target" of providing antiretroviral treatment (A) to three million people living with IIIIDS in the developing countries by the end of 2005. o Ultim... | 151,234 | medmcqa_train |
Yuzpe and Lance regimen for 'post -- coital' contraception : | 100 mg of ethinyl oestradiol and 0.5 mg of levonoregestel initially followed by the same dose after 12 hours | 151,235 | medmcqa_train |
True about Polymerase Chain Reaction are all except- | Ans. is 'd' i.e., Thermolab lie enzymes* Polymerase Chain Reaction is invitro amplification of a desired fragment of DNA* Specific amplification of a desired fragment of DNA is possible only because this process uses specific primers which are complementary to flanking sequences of the desired fragment.* It involves th... | 151,236 | medmcqa_train |
A child presented with intermittent episodes of left sided flank pain. Ultrasonography reveals large hydronephrosis with dilated renal pelvis and coical thinning with a normal ureter. Kidney differential function was observed to be 19% which of the following is the best management - | Ans. is 'b' i.e., Pyeloplasty Pelvi-ureteral junction (PUJ)/ureteropelvic (UPJ) o UPJ obstruction is the most common obstructive lesion in childhood and is the most common cause of hydronephrosis found on prenatal and early postnatal ultrasonography. o It is most commonly caused by intrinsic stenosis of a segment of ur... | 151,237 | medmcqa_train |
Imaging investigation of choice to Diagnose Mullerian duct Abnormalities? | MRI is the investigation of choice for Mullerian Duct Anomalies Newer modality - 3D USG also has high sensitivity and specificity and accuracy comparable to MRI | 151,238 | medmcqa_train |
Neuroendocrine lesions of the lung are - | The normal lung contains neuroendocrine cells within the epithelium as single cells or as clusters, the neuroepithelial bodies.
Neuroendocrine lesions of the lung may be of following types -
A. Non-Neoplastic
(i) Reactive neuroendocrine cell hyperplasia in response to inflammation or scarring.
(ii) Idiopathic pulmonar... | 151,239 | medmcqa_train |
Impoant post operative managment of case of VVF is : | Continuous bladder drainage | 151,240 | medmcqa_train |
Not true regarding optic chiasma: | Inferonasal fibres are related to anterior poion of chiasma. Optic Chiasma Lies over tuberculum. Tumor over chiasma can lead to visual field defects. Decussation of visual pathway takes place over chiasma for nasal fibres from retina. Inferonasal fibres are related to anterior poion of chiasma whereas superonasal fibre... | 151,241 | medmcqa_train |
The limitation of movement of well persons or animals exposed to communicable diseases for a period usually not longer than the longest incubation period is known as: | Isolation: Separation for the period of communicability of infected persons in such places or under such conditions as prevent transmission of infectious agent to the susceptible. Quarantine: It is the limitation of movement of such well persons or animals exposed to communicable diseases for a period usually not longe... | 151,242 | medmcqa_train |
A 56 year old Chronic smoker, mass in bronchus resected. Most useful immunohistochemical marker to make a proper diagnosis would be - | Mass in bronchus in an old chronic smoker suggest bronchogenic carcinoma. The marker of carcinoma, on immunohistochemistry, is cytokeratin.
Other epithelial markers for carcinoma are :-
Epithelial membrane antigen (EMA):- Breast, lung and Kidney's adenocarcinoma.
Carcino-embryonic antigen: - Carcinomas of GIT, pancre... | 151,243 | medmcqa_train |
During foetal lite maximum growth is caused by : | Insulin | 151,244 | medmcqa_train |
Most common malignancy in childhood is | (A) Acute Lymphoblastic Leukomia (ALL) # LEUKEMIA is a cancer of the blood cells. It is the most common childhood cancer, accounting for almost one-third of all childhood cancers.# Types of leukemia include:> Acute Lymphoblastic Leukemia (ALL): Commonly referred to as "childhood leukemia", because it is the most common... | 151,245 | medmcqa_train |
A patient presented with complaints of diplopia. O/E pupils were dilated. Both direct and consensual light reflexes were lost. The diagnosis is : | 3rd nerve palsy PUPILLARY LIGHT REFLEX :- If light enters an eye, the pupil of the same eye contracts (direct light reflex),activity shared equally by the pupil of other eye (consensual light reflex) - Afferent limb of light reflex is Optic nerve (CN2) and efferent limb is Oculomotor nerve (CN3) - Both direct and conse... | 151,246 | medmcqa_train |
Most common site of post ischemic stricture is: | Stricture is a complication of colonic ischemia. Most common site is sigmoid colon. | 151,247 | medmcqa_train |
Undertakers fracture- | Ans. is 'b' i.e., Spondylolisthesis of the lower cervical spine with tearing od C6 C7 intervertebral disc o Repeat from previous sessions. | 151,248 | medmcqa_train |
During TURP, surgeon takes care to dissect above the verumontonum to prevent injury to | Damage to the external sphincter is avoided provided one uses the verumontanum as a guide to the most distal point of the resection. Reference : page1351 Bailey and Love's sho practice of surgery 25th edition | 151,249 | medmcqa_train |
True about Boyle's apparatus: | A i.e. Continuous flow machine | 151,250 | medmcqa_train |
Which of the following is best for diagnosing genital TB? | Ans. (c) LJ mediumRef: Harrison 19th ed. /1110* Harrison states: "In genitourinary TB - culture of 3 morning urinary specimen yields a definitive diagnosis in 90% cases. LJ medium is most common solid medium used for culture.* Prevalence of GU TB= 10-15%* MC c/o- Urinary frequency, dysuria, nocturia, hematuria, and fla... | 151,251 | medmcqa_train |
Magnan's symptom is seen in | Tactile hallucination: this is hallucination of touch. In this type of hallucination, the person gets the feeling that some insects are crawling under the skin(formication) This is otherwise called Magnan's symptom, usually occurs in cocaine addicts. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PA... | 151,252 | medmcqa_train |
Thanatophobia is fear of: | D i.e. Death | 151,253 | medmcqa_train |
The Astler-Coller modification of the Dukes classification is used to classify cancers of the | Colon cancer may be found in the left side of the colon (producing a "napkin ring" or "apple core" appearance) or the right side of the colon (producing a polypoid mass). In either location, bleeding may produce an iron-deficiency anemia. Histologically, the vast majority of colon cancers are adenocarcinomas. Currently... | 151,254 | medmcqa_train |
Which hormone is under inhibitory control - | Ans. is 'b' i.e.. Prolactin o For most of the anterior pituitary hormones, it is the releasing hormone that are important but prolactin is mainly under the inhibitory control.o Hypothalamus secretes the following:Thyrotropin-releasing hormone (TRH), which causes release of thyroid-stimulating hormoneCorticotropin-relea... | 151,255 | medmcqa_train |
In Iron deficiency anaemia, what is seen? | Since its iron def anemia there is decreased iron , ferritin , and transferin saturation . There is increased protoporphyrin levels as there is impaired maturation of Hb due to Fe deficiency. Ref: robbins 9/e pg :649 | 151,256 | medmcqa_train |
True statement regarding mummification : | A i.e. Time since death; C i.e. Skin is shrunked, dry & brown | 151,257 | medmcqa_train |
Indications for Colposcopy include following except: | Ans. D. Obvious Visible growth. (Ref Textbook of Gynaecology by D C Dutta 5th/pg. 112 - 113)Shaw's Textbook of Gynaecology 14th/pg. 447 - 448.......... under the heading "Colposcopy'' and subheading "indications"........."Colposcopy is not needed routinely in all patients, or patients with obvious lesions.""INDICATIONS... | 151,258 | medmcqa_train |
Which of the following forms the anterior wall of the Axilla? | Clavipectoral fascia forms the anterior wall of the axilla.Also know:Boundaries of Axilla:Anterior wall: Pectoralis major, Pectoralis minor, Clavipectoral fasciaPosterior Wall: Subscapularis, Teres major, Latissimus dorsiMedial Wall: First rib and their associated intercostals muscles, Serratus anteriorLateral Wall: In... | 151,259 | medmcqa_train |
Heberdens nodes are the clinical manifestations seen in - | Ans. is 'a' i.e., Osteoarthritis Joints involved in Osteoarthritis* OA affects certain joints, yet spares others.* Commonly affected joint include Hip, knee, cervical & lumbosacral spine, and first metatarsophalangeal joint. In Hands, the distal interphalangeal joints (DIP), proximal interphalangeal joints (PIP) and fi... | 151,260 | medmcqa_train |
Probability of a person with positive test result having the disease is given by | Sensitivity:- It is defined as the ability of a test to identify correctly all those who have the disease (True positives) Specificity:- It is defined as the ability of a test to identify correctly those who do not have the disease (True Negatives) Diagnostic power of the test . Positive predictive value:- Indicates th... | 151,261 | medmcqa_train |
Barrett's esophagus causes which cancer: | Ans. (a) AdenocarcinomaRef: Harrison's 17th ed. Ch. 286* Metaplastic columnar epithelium develops during healing of erosive esophagitis with continued acid reflux since columnar epithelium is more resistant to acid- pepsin damage than is squamous epithelium.* The metaplastic epithelium has different epithelial types, i... | 151,262 | medmcqa_train |
Earliest sign seen in Acoustic neuroma is: | Ans. C Reduced corneal reflex. Remember: * Most common nerve from which vestibular schwannoma arises * Earliest symptom * Earliest cranial nerve to be involved by acoustic neuroma * Earliest presentation of Vth nerve involvement! * 2nd earliest cranial nerve to be involved by acoustic neuroma * Earliest presentation of... | 151,263 | medmcqa_train |
A 4-year-old boy whose diet consists mostly of cheese puffs and cola begins to have problems walking at night, complaining that he cannot see well. In addition, his skin has become dry and scaly, and he has complained of headache for a month. choose the one most appropriate vitamin or trace element replacement therapy ... | Vitamin A deficiency manifests first in visual changes, including night blindness. Deficiency can also cause drying of the conjunctivas and sclera. Skin is frequently dry. Poor growth and impaired cognition are also seen. | 151,264 | medmcqa_train |
Red discolouration of urine is seen with | Doxorubicin & Daunorubicin can cause red discolouration of urine. | 151,265 | medmcqa_train |
Oligomycin? | Ans. is 'a' i.e., Blocks oxidative phosphorylation Oligomycin Oligomycin is an antibiotic that blocks oxidative phosphorylation by blocking flow of protons through ATP synthase. Oligomycin A is an inhibitor of ATP synthase. Oligomycin A inhibits ATP synthase by blocking its proton channel (Fo subunit), which is necessa... | 151,266 | medmcqa_train |
Koplik spots are seen in? | Koplik's Spots: They are pathognomonic of measles. Their presence establishes the diagnosis of measles. These are bluish grey specks on grain substance on a red base which usually appear on the buccal mucosa opposite the second molar. They appear at the end of the prodrome, just before the appearance of the rash. Kopli... | 151,267 | medmcqa_train |
Drug of choice for bisphosphonate resistant osteoporosis : | Drug of choice for both senile and postmenopausal osteoporosis are Bisphosphonates. However, where osteoporosis is Resistant to bisphosphonates, Teriparatide has shown good results. | 151,268 | medmcqa_train |
Positive mortality indicator is - | Mortality indicators
These are
Crude death rate
Expectation of life (life expectancy)
Infant mortality rate
Child mortality rate
Under-5 proportional mortality rate
Maternal mortality rate
Disease specific mortality rate
Age specific death rate
Adult mortality rate
Years of potential life lost
Among these only life ... | 151,269 | medmcqa_train |
All of the following mechanisms might account for a reduce-risk of upper genital tract infection in users of progestin - releasing lUDs, except: | Decreased ovulation does not protect from upper genital tract infection. Also it doesn't inhibit ovulation in all women. THE TEXTBOOK OF GYNAECOLOGY SHEILA BALAKRISHNAN SECOND EDITION PAGE NO 379 | 151,270 | medmcqa_train |
A pt. presented with renal cell carcinoma invadving IVC and the renal vein. A false statement is - | A renal cell carcinoma that has spread to renal vein, IVC or even upto the thorax (hea) is operable. A prep biopsy is not necessary as a RCC is the most common malignant neoplasm of kidney (90 - 95%) and any solid renal mass is considered to be RCC until unless proved otherwise. A chest x-ray should be done to rule out... | 151,271 | medmcqa_train |
Shagreen patch is seen in - | Ans. is "a' i.e., Ttiberous sclerosis o Tuberous sclerosis is an autosomal dominant genetic dissorder characterized by development of variety of benign tumours in multiple organs including brain, heart, skin, eyes kidney, lung, liver.o It is caused by mutation in two seprate genes TSC l-19 and TSC 2-16o It is the most ... | 151,272 | medmcqa_train |
A patient is hospitalized after an automobile accident. The wounds become infected, and the patient is treated with tobramycin, carbenicillin, and clindamycin. Five days after antibiotic therapy was initiated, the patient develops severe diarrhea and pseudomembranous enterocolitis. Antibiotic-associated diarrhea and th... | Patients treated with antibiotics develop diarrhea that, in most cases, is self-limiting. However, in some instances, particularly in those patients treated with ampicillin or clindamycin, a severe, life-threatening pseudomembranous enterocolitis develops. This disease has characteristic histopathology, and membranous ... | 151,273 | medmcqa_train |
Most common side effect of levodopa | Ans) b (Nausea vomiting) Ref: Katzung 11th editionWhen levodopa is given without a peripheral decarboxylase inhibitor, anorexia and nausea and vomiting occur in about 80% of patients.These adverse effects can be minimized by taking the drug in divided doses, with or immediately after meals, and by increasing the total ... | 151,274 | medmcqa_train |
Uric acid is formed by - | Ans. is 'c' i.e., Catabolism of purines o Humans catabolize purines (adenine and guanine) to uric acid. | 151,275 | medmcqa_train |
Glands of Von Ebner are present in - | Ans. is 'c' i.e., Tongue Glands of tongueo Several groups of the glands are present on the tongue.Anterior glandso Near the apex of the tongue anterior lingual glands are present.o These are glands of Blandin and A'uhn.o Anterior glands are mucous while posterior glands are mixed.o The ducts of glands open on the ventr... | 151,276 | medmcqa_train |
Egg in cup appearance is seen in | Egg in cup - Constrictive pericarditis
Egg on side - Uncorrected TGA | 151,277 | medmcqa_train |
Chandlers index is used for - | Ans. is 'a' i.e., Hookworm infestation o Morbidity and mortality from hookwork infection depends on the worm load.o Chandler worked out an index, Chandler's index, on the basis of average number of hookworm eggs per gram of feces for the entire community.Average no. of eggs per gram of stools# Below 200---Hookworm infe... | 151,278 | medmcqa_train |
All are true about cardiac manifestations of carcinoid syndrome, EXCEPT: | The cardiac disease is due to the formation of fibrotic plaques involving the endocardium. The dense fibrous deposits are most commonly on the ventricular aspect of the tricuspid valve and less commonly on the pulmonary valve cusps. Overall, in patients with carcinoid hea disease, 97% have tricuspid insufficiency, 59% ... | 151,279 | medmcqa_train |
A 6 years old boy experienced life threatening shock, his CT scan showed large amount of ascites, bowel wall thickening and poor or absent enhancement of the strangulated bowel segment, showing gangrenous bowel on surgical exploration. True about anastomosis is: | BOWEL ANASTOMOSES Lembe described seromuscular suture technique for bowel anastomosis in 1826Q Senn advocated a two-layer technique for closureQ Halsted ored a one-layer extramucosal closureQ Connell used a single layer of interrupted sutures incorporating all layers of the bowelQ Kocher's method, a two layers anastomo... | 151,280 | medmcqa_train |
H1N1 Is a type of? | H1N1 include influenza virus types REF:<\p> ANATHANARAYANAN MICROBIOLOGY NINTH EDITION PAGE.499(table.54.2) | 151,281 | medmcqa_train |
Branch of basilar artery include - | Branches of basilar artery are : pontine branches, anterior inferior cerebellar artery, superior cerebellar artery, labyrinthine artery, posterior cerebral artery, central branches, posterior choroidal artery and cortical branches. | 151,282 | medmcqa_train |
Kernohan-Woltman sign (notch) is seen in: COMEDK 15 | Ans. Uncal herniation | 151,283 | medmcqa_train |
Which is a preventable cause of blindness - | Ans. is 'b' i.e., Vitamin A deficiency Avoidable blindness -* Avoidable blindness is defined as blindness which could have been either treated or prevented by known cost effective means.* Thus avoidable blindness is divided into:1) Treatable blindness# Treatable are those condition that could have been treated early to... | 151,284 | medmcqa_train |
The commonest type of pericarditis in acute rheumatic fever is - | Ans. is 'b' i.e., Fibrinous | 151,285 | medmcqa_train |
All are characteristics of a breast papilloma except | . | 151,286 | medmcqa_train |
Forelimb bud appears on | (26 days) (135-IBS 7th) (125-1.B.Singh 8th)Timetable of some events* The forelimb bud appears about the 26th day (end of 4th week)* The hind limb bud appears about the 28th dayThe limbs become paddle shaped after about 4 days (5th week) and grooves between the future digits (digital rays) can be seen by the 36 the day ... | 151,287 | medmcqa_train |
A neonate has a mass in kidney. USG shows hypoechoic shadow. The most likely diagnosis is: | Ans. Mesonephrohlastic tumour | 151,288 | medmcqa_train |
While treating benign prostatic hyperplasia with finasteride the period of trial required for maximum response | Minimum time to act - 1 month
Maximum response around 6 months. | 151,289 | medmcqa_train |
Mode of excretion of cyclophosphamide is ? | Ans. is 'c' i.e., Kidney Cyclophosphomide is primarily metabolized (80%) and metabolites are exceed in urine. 10 to 20% is excreted unchanged in urine and 4% is excreted in bile. | 151,290 | medmcqa_train |
Incompetent lips refer to: | The term 'incompetent lips' implies that the lips are unable to form an adequate seal under similar unstrained conditions, i.e. excessive separation of the lips at rest. As a general guideline, which holds for all ethnic groups, lip separation at rest should be no more than 3-4 mm; above this, the lips are termed incom... | 151,291 | medmcqa_train |
Poal vein, hepatic aery and common bile duct are related to which of the following structure | The lesser omentum (gastrohepatic omentum) is the double layer of peritoneum that extends from the liver to the lesser curvature of the stomach (hepatogastric ligament) and the first pa of the duodenum (hepatoduodenal ligament). ref - BDC 6e vol2 pg 234 | 151,292 | medmcqa_train |
Asthma is? | Ans. is 'a' i.e., Obstructive lung disease o Obstructive disease is characterized by an increase in resistance to airflow owing to partial or complete obstruction at any level, from the trachea to the respiratory bronchioles. Examples are chronic obstructive lung disease (COPD emphysema, chronic bronchitis), bronchiect... | 151,293 | medmcqa_train |
For every 10-degree Celsius raise in the temperature, the rate of most of the enzymatic reactions: | The temperature coefficient (Q10) is the factor by which the rate of a biologic process increases for a 10degC increase in temperature. For enzymes, temperature coefficient is 2, i.e. for every 10 degrees raise in temperature, the rate of enzyme activity doubles. But, after ceain temperature, the enzyme protein gets de... | 151,294 | medmcqa_train |
Which one of the following structures is not a pa of the auditory pathway? | AUDITORY PATHWAY Second-order neuron of the dorsal column system (carrying general senses) runs in the medial lemniscus. | 151,295 | medmcqa_train |
A doctor was accidentally exposed to HIV by a needle stick injury while sampling HIV positive patient. A drug prescribed to him would be - | Needlestick injury is the most common cause of HIV infection among health care workers.
The guidelines for post-exposure prophylaxis of HIV are
A) For routine exposures
a combination of two nucleoside reverse transcriptase inhibitors for 4 weeks.
B) For high risk or complicated exposures
a combination of two nucle... | 151,296 | medmcqa_train |
Goose skin or cutis anserina is seen in | Cutis anserina or goose skin: Skin has granular and puckered appearance due to spasm of erection fibers and the muscles attached to hair follicles. It can occur in living in cold weather and in submersion of body in cold water immediately after death, while the muscles are still warm and irritable. Reff: The synopsis o... | 151,297 | medmcqa_train |
True about pheochromocytoma are all except:- | Urinary VMA is most specific for Neuroblastoma (Impoant) Paraganglioma occur at skill base (aka) Chemodectoma (aka) Potato tumor Pheochromocytomas are 10% extra adrenal Organ Of Zuckerkandl is MC extra adrenal Sympathetic chain positive | 151,298 | medmcqa_train |
True about torsion of testis is all except: | Ans. (b) Commonly associated with pyuriaRef: Smith 17th Edition, Page 704* Epididymo orchitis is associated with pyuria* Torsion has nothing to do with pyuriaAbnormalities predisposing to torsion of testis* Bell Clapper deformity: High investment of tunica vaginalis - testis hangs like a clapper in bell.* Inversion of ... | 151,299 | medmcqa_train |
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