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Short chain fatty acid produced by bacteria are maximally absorbed in
Acetate, propionate and butyrate are short chain fatty acids formed in the colon by action of bacteria. They are reabsorbed in the colon itself.
154,900
medmcqa_train
All are added to PCR, except:
Ans. B. Dideoxynucleotide(Ref: Tietz Textbook of Clinical Chemistry 4fe page1446)Pre requisites of PCRSample DNA to be amplifiedDeoxynucleotides.Thermostable Polymerase--Taq Polymerase obtained from Thermus Aquaticus found in hot springs.Primer.Mgcl2 , KCl
154,901
medmcqa_train
Wallarian degeneration is seen in -
Ans. is 'a- i.e., Distal to injuryo Part distal to the injury - Wallarian degeneration or secondary degeneration,o Part proximal to the injury - Primary degeneration or retrograde degeneration.Degeneration of the distal part (Antegrade)Degeneration of proximal part (Retrograde)Stage of regenerationo Degeneration of dis...
154,902
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Flaky paint appearance of skin is seen in?
Ans. is 'd' i.e., Kwashiorkor
154,903
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To diagnose anemia in age group 2 years to 5 years, level of hemoglobin should be?
ANEMIAS IN CHILDREN (WHO DEFINITION): - Children of age - Hb < 11 g/dl - Children of age - Hb < 11.5 g/dl - Children of age - Hb < 12 g/dl
154,904
medmcqa_train
All of the following are viral inclusion bodies, EXCEPT:
Psammoma bodies are nonrefractile calcified concretions with concentric lamellations that are sometimes found in association with papillary adenocarcinoma, both primary and metastatic. Molluscum bodies or Henderson-Patterson bodies are seen in molluscum contagiosum which is caused by a pox virus. They are intracytoplas...
154,905
medmcqa_train
Not true about superior vena cava
SVC opens in to right atrium (not right ventricle).Superior vena-cava SVC collects blood from the upper half of the body and drains into the right atrium. It is formed by the union of two brachiocephalic veins at the level of lower border of 1" right costal cailage. It passes veically downwards behind the right border ...
154,906
medmcqa_train
Most common malignancy in a longstanding goiter is -
Ans. is 'a' i.e., Follicular Carcinoma "An increased incidence of cancer (usually follicular) has been reported from endemic areas. Dominant or rapidly growing nodules in longstanding goiters should always be subjected to aspiration cytology." - Bailey & LoveAbout Follicular Carcinoma (FTC)o FTC are second most common ...
154,907
medmcqa_train
Which is not a method of gene therapy?
Ans. A. FISHa. FISH is fluorescent -in-situ hybridization and is a method of detection and not related with gene therapyb. Fluorescence in situ hybridization (FISH) is a very sensitive technique that is also used for this purpose.c. This often places the gene at a location on a given band or region on the chromosome.d....
154,908
medmcqa_train
The side effects of clomiphene because of which its use should be immediately stopped :
Visual symptoms are rare; 1-2%; but if present treatment with clomiphene should be stopped immediately Ref: Clinical Gynecologic Endocrinology and Infeility; Eighth Edition; Chapter 27
154,909
medmcqa_train
Which of the following presents with macronodular cirrhosis
Wilson's disease presents with macronodular cirrhosis. (Nodules size > 3 mm is diameter) Option a,b,c presents with micronodular cirrhosis.
154,910
medmcqa_train
Which compound shifts the Oxygen dissociation curve to the right:
B i.e. 2,3, DPG
154,911
medmcqa_train
Which diagram represents the changes (after osmotic equilibrium) in extracellular and intracellular fluid volumes and osmolarities after the infusion of 3% NaCl?
A 3% solution of NaCl is hypeonic, and when infused into the extracellular fluid, it would raise osmolarity, thereby causing water to flow out of the cells into the extracellular fluid until osmotic equilibrium is achieved. In the steady state, extracellular fluid volume would increase, intracellular fluid volume would...
154,912
medmcqa_train
All of the following structures press over the oesophagus, EXCEPT?
Anteriorly the normal esophagus is indended from above downwards by three impoant structures that cross it, the arch of aoa, left bronchus and left atrium. Various structures that may press on the oesophagus and cause obstruction are:Enlarged left atriumBronchial carcinomaEnlarged lymph nodes at the hilum of lungDilate...
154,913
medmcqa_train
Most impoant clinical feature of primary biliary cirrhosis
Primary biliary cirrhosis Believed to be an autoimmune etiology, leading to progressive destruction of intrahepatic bile ducts More common in females Associated with autoimmune disorders (CREST, Sicca syndrome, Autoimmune thyroiditis, Renal tubular acidosis) Clinical features Most patients are asymptomatic, pruritus th...
154,914
medmcqa_train
A person get infected in a hospital and clinical manifestation appear after he is discharged this is called -
Ans. is 'a' i.e., Nosocomial infection . The term hospital infection, hospital -acquired infection or nosocomial infection are applied to infections developing in hospitalized patients, not present or in incubation at the time of their admission. . Such infections may become evident during their stay in hospital or, so...
154,915
medmcqa_train
Which of the following condition is not associated with elevated serum total lactate dehydrogenase level?
Acute MI causes an increase in LDH in 12-24 hours, attains peak value in 48 hours and returns to normal in 1-2 weeks. Because of high concentration of LDH in the RBC, lysis of RBCs causes elevation of LDH levels. Muscle injuries and liver diseases like hepatitis can also cause raised LDH levels. Stroke is not associate...
154,916
medmcqa_train
Pigment seen in malarial parasite is formed from which of the following?
Hematin globin is formed as a result of incomplete metabolism of hemoglobin by malarial parasite. Malaria parasites are from the genus Plasmodium, malaria is caused by P. falciparum, P. malariae, P. ovale, P. vivax. Among those infected, P. falciparum is the most common species identified (~75%) followed by P. vivax (~...
154,917
medmcqa_train
Sinus venosus receives blood from all EXCEPT
Right & left sinus venosus each receives the union of the corresponding: Umbilical vein Vitelline vein Common cardinal vein Right vitelline vein forms the poal venous circulation and the hepatic poion of IVC. Common cardinal veins - forms neck veins. The umbilical veins degenerate.
154,918
medmcqa_train
Which of the following is an example of learned tolerance?
Learned tolerance refers to the reduction of the effect of a drug due to compensatory mechanisms that are learned. An example is walking a straight line despite the motor impairment caused by alcohol. This likely represents both acquisition of motor skills and the learned awareness of one's deficit; thus the person wal...
154,919
medmcqa_train
A 20-year-old man suffered a significant closed head injury after a diving accident. He is left with minor memory impairment but makes a full recovery. A few months later, he has a witnessed loss of consciousness with some arm and leg twitching. After the event, he is disoriented for 2 hours and then gradually returns ...
This man had a generalized posttraumatic seizure. The prolonged confusion after the event suggests seizure rather than syncope. In the majority of cases, seizures do not develop until several months after the injury, 6-18 months being the most common interval. The more severe the injury, the greater the likelihood of s...
154,920
medmcqa_train
Most common cause of psoriasis
Ans A (autoimmune) Ref IADVL text book of Dermatology P1022, Harrisons 17th ed pg 315,It is a T cell mediated autoimmune chronic inflammatory disease.The evidence implicating a key role for an immune pathogenesis relates to:*the association with certain HLA groups (HLA Cw6)*the success of certain immunosuppressive drug...
154,921
medmcqa_train
Homer Trantas nodules are seen in:
Vernal conjunctivitis
154,922
medmcqa_train
In community acquired pneumonia out patient treatment Is: (PGI June 2007)
Ans,: A (Azithromycin) As Q is mentioned only simple community acquired pneumonia (Not MRS A or Pseudomonas; so aminoglycosides & vancomycin are not given in answer), so give outpatient treatment given in Harr/son tableTable (Harrison 17th/1623): Empirical Antibiotic Treatment of Community'-Acquired PneumoniaOutpatient...
154,923
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Maggots in a dead body do not appear before:
D i.e. 48 hours
154,924
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In severe acute malnutrition, arm circumference is less than (in cm):
In children who are 6-59 months of age, severe acute malnutrition is defined asWeight-for-height <= -3 Z-score, orMid-upper-arm circumference <11.5 cm, orPresence of bilateral edema(Refer: Nelson's Textbook of Pediatrics, SAE, 1st edition, pg no. 301)
154,925
medmcqa_train
Obesity is associated with decreased risk of -
The major factors considered in past for obesity as protective factor for osteoporosis include increased load on the coical skeleton, direct stimulation of bone formation by leptin, greater aromatase activity, increased estradiol leading decrease bone resorption, and stimulation of bone formation . The ongoing debate r...
154,926
medmcqa_train
The CNS tumor present with calcification ?
Ans. is 'a' Oligodendroglioma Although many intracranial tumors show calcification, oligodendroglioma shows calcification in 70-90% of cases.
154,927
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Tritanopes have defective assessment of whichcolor ?
Ans. is `b' i.e., Blue Colour Defective Absent GreenRedBlue DeuteranomalousProtanomalousTritsnomalous DeuteranoPtaProtanopiaTritanopia
154,928
medmcqa_train
Burst abdomen is seen after how many days of surgery
In 1-2% of cases, mostly between the sixth and eighth day after operation, an abdominal wound bursts open and viscera are extruded. This is called burst abdomen or abdominal wound dehiscence. The sutures apposing the deep layers (peritoneum, posterior rectus sheath) tear through or even become untied.Reference : page 9...
154,929
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Fasciculation are caused by –
Fasciculation is characteristic of depolarizing block (sch).
154,930
medmcqa_train
All of the following are true about Duret hemorrhage, EXCEPT:
Duret haemorrhage: "Progressive rise in ICP cause fuher downward herniation into the foramen magnum or coning. This result in shearing of perforators supplying the brain stem causing haemorrhage known as duret haemorrhage. Tractional damage to pituitary stalk can result in diabetes insipidus. With progressive herniatio...
154,931
medmcqa_train
In a monkey temporal lobectomy was done. What is not seen?
Memory and language problems after temporal lobectomy. Temporary double vision after temporal lobectomy. Increased number of seizures after corpus callosotomy, but the seizures should be less severe. Reduced visual field after a hemispherectomy. Ref: guyton and hall textbook of medical physiology 12 edition page number...
154,932
medmcqa_train
All the following signs could result from infection within the right cavernous sinus except -
In CST, there is loss of direct and consensual light reflex on the same side. So, there will be no pupillary constriction in response to light. Retinal veins are engorged and congested in later stages. Ptosis (due to 3rd nerve involvement) and opthalmoplegia (due to 3rd, 4th, 6th nerve involvement) occur in CST.
154,933
medmcqa_train
What are the objectives of furcation therapy:
The objectives of furcation therapy are to Facilitate maintenance Prevent further attachment loss and Obliterate the furcation defects as a periodontal maintenance problem. The selection of therapeutic mode varies with the class of furcation involvement, the extent and configuration of bone loss, and other anatomic fa...
154,934
medmcqa_train
Emysema aquosum is found in: NEET 13
Ans. Dry drowning
154,935
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Insect in ear can be killed by:
Removal of Insect from ear canal Tilt the person's head so that the ear with the offending insect is upward. Try to float the insect out by pouring mineral oil, olive oil or baby oil into the ear. The oil should be warm but not hot. While pouring the oil, ease the entry of the oil by straightening the ear canal. Pull t...
154,936
medmcqa_train
A 27-year-old man and his 24-year-old wife have been trying to conceive a child for 6 years. Physical examination shows he has bilateral gynecomastia, reduced testicular size, reduced body hair, and increased length between the soles of his feet and the pubic bone. A semen analysis indicates oligospermia. Laboratory st...
Klinefelter syndrome is a relatively common chromosomal abnormality that occurs in about 1 of 660 live-born males. The findings can be subtle. The 46, X, i (Xq) karyotype is a variant of Turner syndrome (seen only in females), caused by a defective second X chromosome. The 47, XYY karyotype occurs in about 1 in 1000 li...
154,937
medmcqa_train
One TB unit is recommended for how much population in Hilly areas -
Ans. is 'd' i.e., 250,000Infrastrucilure in RNTCPOne microscopy center100,000 population in planes50,000 population in hilly/mountain areasOne Tuberculosis unit500,000 population in planes250,000 population in hilly/tribai areasOne district tubercular center (DTC)Per revenue districtOne state drug store (SDS)50 million...
154,938
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Antagonist of heparin is -
Ans. is 'a' i.e., Protamine
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Side effect of salmeterol is-
Ans. is 'a' i.e., 'tremor o Tremor and palpitations are most common side effects.
154,940
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Meniere's disease is characterised by all except:
(a) Diplopia(Ref. Cummings, 6th ed., 2331)The patient is fully conscious and oriented during an attack of Meniere.Meniere being a disturbance of peripheral vestibular system is therefore not characterised by any focal (such as diplopia, dysarthria, paresthesia, etc.) or generalised neurological symptoms like loss of co...
154,941
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Auditory hallucinations not seen in:
C. i.e. Hysteria
154,942
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ACE inhibitors are contraindicated in: March 2007
Ans. C: Renal Aery Stenosis Renal aery stenosis is the narrowing of the renal aery, most often caused by atherosclerosis or fibromuscular dysplasia, impeding the blood flow to the target kidney. Diagnosis of renal aery stenosis: Refractory hypeension - high blood pressure that cannot be controlled adequately with antih...
154,943
medmcqa_train
Which of the following has epiphysis at BASE:
Epiphysis is present on the heads of all metacarpals, except first metacarpal (Thumb) epiphysis is at the base. If Epiphysis is present at the head of the first metacarpal bone it is called as aberrant epiphysis which is a detion from the normal (and rarely found).
154,944
medmcqa_train
Which of the following is the most common central nervous system parasitic infection -
Neurocysticercosis (NCC) is the most common form and accounts for 60–90% cases of Cysticercosis. NCC is considered as the most common parasitic CNS infection of man and most common cause of adult onset epilepsy throughout the world.
154,945
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Primary objective of the use of atropine in anterior uveitis -
Ans. is 'a' i.e rest to ciliary muscles Kanski writes: 3 main indications of mydriatics in uveitisTo give comfort by relieving spasm of the ciliary muscles and sphincter of the pupil which occurs in severe acute anterior uveitis.To prevent the formation of posterior synechiae by using a short-acting mydriatic which kee...
154,946
medmcqa_train
The mode of inheritance of incontinentia pigment is –
Incontinentia pigmenti is an X-linked dominant disorder
154,947
medmcqa_train
Water lily sign on chest X ray is seen in -
Ans. is 4b' i.e., Hydatid cysto Radiological signs of hydatid cyst of lungMeniscus signWater-lilly signCamalote signRising sun signSerpent signEmpty cyst sign
154,948
medmcqa_train
All are diseases of defective DNA repair except
Human Diseases of DNA Damage Repair Repair Defective Nonhomologous End Joining Repair (NHEJ) Severe combined immunodeficiency disease (SCID) Radiation sensitive severe combined immunodeficiency disease (RS-SCID) Defective Homologous Repair (HR) AT -like disorder (AT LD) Nijmegen breakage syndrome (NBS) Bloom syndrome (...
154,949
medmcqa_train
Which fungus appears as single budding cell in culture at 370 C and the bud and the parent yeast have a characteristic wide base of attachment?
This is the characteristic appearance of B. dermatitides
154,950
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Investigation of choice for assessing a child with vesicoureteric reflux is:
Ans. Micturating cystourethrogram
154,951
medmcqa_train
Most common cause of embolic stroke is?
*approximately 20% of ischemic strokes are due to embolism from the hea. the most common causes are atrial fibrillation,prosthetic hea valves,other valvular abnormalities and recent myocardial infraction. Ref Harrison20th edition pg 2345
154,952
medmcqa_train
Horner Tranta's spots are seen in:
Ans. Vernal conjunctivitis
154,953
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All are true about Iron deficiency of anemia EXCEPT
B. i.e. (Sideroblasts) (369- 373- Harsh Mohan 5th) (435 - Basic pathology 8th)* "Sideroblast are reduced or absent in iron deficiency "IRON DEFICIENCY ANEMIA* *Common cause of nutritional anemia* *S. ferritin is good indicator of the adequacy of body iron stores* **Biochemical findings - S. iron levels |. TIBC |. S. fe...
154,954
medmcqa_train
Saccharolytic reaction in cooked meat broth is produced by
CMB also called Robesons cooked meat -contains nutrient broth and cooked meat of ox hea Saccharolytic reaction positive for cl.perfringes Proteolytic reaction positive for cl.tetani Ref: CP Baveja 4th ed Pg:51
154,955
medmcqa_train
Congenital rubella syndrome is most prominent in an infant when a pregnant woman becomes infected?
The route of infection of rubella virus is the respiratory tract, with spread to lymphatic tissue and then to the blood (viremia). Maternal viremia is followed by infection of the placenta, which leads to congenital rubella. Many organs of the fetus suppo the multiplication of the virus, which does not seem to destroy ...
154,956
medmcqa_train
A 25 year old man presented with fever, cough, expectoration and breathlessness of 2 months duration. Contrast enchanced computed tomography of the chest showed bilateral upper lobe fibrotic lesions and mediastinum had enlarged necrotic nodes with peripheral rim enhancement. Which one of the following is the most proba...
B i.e. Tuberculosis Expectoration is a common manifestation in tuberculosis. It is usually not associated with sarcoidosis, silicosis & lymphoma. B/L Upper lobe fibrosis makes lymphoma unlikely. It may be seen in other conditions and m.c. in tuberculosis. Diagnosis of silicosis is based on relevant occupational history...
154,957
medmcqa_train
DEEP PETROSAL nerve arises from
The deep petrosal nerve, sympathetic in nature is a branch of the sympathetic plexus around the internal carotid aery. It contains postganglionic fibres from the superior cervical sympathetic ganglion. The nerve joins the greater petrosal nerve to form the nerve of the pterygoid canal. The sympathetic fibres in it are ...
154,958
medmcqa_train
Withdrawal bleeding following administration of progestogen in a case of secondary amenorrhea indicates all except
Ans. is d, i.e. Defect in pituitary gonadal axisRef: Dutta Gynae 6th/ed, p467; Leon Speroff 7th/ed, p404-409Withdrawal bleeding following administration of progesterone suggests:* The uterus is sufficiently primed with estrogen, i.e. production of endogenous estrogen is normal which means. Ovaries and hypothalamic pitu...
154,959
medmcqa_train
Which among the following is NOT secreted by adrenal medulla:
The adrenal medulla secretescatecholamines which include epinephrine, norepinephrine and dopamine. About 80% of adrenal medullarycatecholamine is epinephrineand rest is norepinephrine. Apa from catecholamines, the adrenal medulla also contains small amounts of dynorphins, neurotensin, encephalin, somatostatin and subst...
154,960
medmcqa_train
Which is the most common site of peripheral aneurysm?
MC site of peripheral aneurysm: Popliteal aneurysm MC site of Splanchnic Aneurysm: Splenic Aery Aneurysm. MC vessel involved in aneurysm: Circle of Willis MC location of extra- cranial aneurysm: Aoa > Iliac > Popliteal > Femoral (AIPF) MC site of extra- cranial aerial aneurysm is infrarenal aoa
154,961
medmcqa_train
Sabin Feldman dye test is used for diagnosis of:
Ref. Textbook of Microbiology and Immunology BY Parija. Page. 500   Toxoplasma: Tests include Sabin-Feldman dye test, which tests for IgG antibodies ELISAs targeted at IgM, IgA and IgE Differential agglutination tests and IgG avidity tests. Sabin Feldman Dye test The test measures the total amount of antibody in ser...
154,962
medmcqa_train
Primary amoebic meningitis caused by -
Naegleria fowleri, the only pathogenic species of naegleria Human infection comes from water containing the amoebae and usually follows swimming or diving in ponds. Patients are mostly previously healthy young adults or children. The amoebae invade the nasal mucosa, pass through the olfactory nerve branches in the crib...
154,963
medmcqa_train
This milestone is achieved by the age of _________
At 4 months Lifts head and chest, with head in an approximately veical axis. legs extended Reaches and grasps objects and brings them to mouth Enjoys sitting with full trunkal suppo When held erect pushes with feet Laughs out loud Excites at sight of food Ref : Nelson 20th edition pg:67
154,964
medmcqa_train
During gluconeogensis reducing equivalents from mitochondria to cytosol are transpoed by
A i.e. MalateMallate shuttle is a system by which reducing equivalents (NADH) produced in glycolysisQ are transferred from cytosol to mitochondria to yield energy.NADH produced in the glycolysisQ, is extramitochondrial where as the electron transpo chain, where NADH has to be oxidized to NAD+ is in the mitochondria (Ox...
154,965
medmcqa_train
Epinephrine action in liver:
A i.e. Glycogenolysis
154,966
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Which of the following is involved in gradenigo's syndrome?
Headache and earache are the most frequent symptoms of transverse sinus thrombosis. A transverse sinus thrombosis may also present with otitis media, sixth nerve palsy, and retroorbital or facial pain (Gradenigo's syndrome). Sigmoid sinus and internal jugular vein thrombosis may present with neck pain. Ref Harrison 20t...
154,967
medmcqa_train
The white matter of cerebellum is well myelinated at
The white matter of cerebellum is well myelinated at 1 month.Ref: Ganong&;s review of medical physiology, 23rd edition, Page no:254
154,968
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All are mechanism of defence except:
B i.e. Transference
154,969
medmcqa_train
Which is associated with alcohol related cardiomyopathy
Dilated cardiomyopathy Restrictive cardiomyopathy Hyperophic obstructive cardiomyopathy Left ventricle is enlarged resulting in reduced systolic function Walls of ventricles become rigid resulting in decreased compliance. Asymmetrical septal hyperophy resulting in Left ventricular outflow tract obstruction Sub valvular...
154,970
medmcqa_train
Christmas tree appearance of urinary bladder is seen in
Ans. is 'a' i.e., Neurogenic bladder Christmas tree appearance of the bladder is seen in neurogenic bladder caused by detrusor hyperreflexia. Detrusor hyperreflexia is caused by lesions of the spinal cord above the sacral segments but below the pons. Such patients have noperception of bladder filling or emptying and vo...
154,971
medmcqa_train
Drug of choice for Acute Adrenal Crisis is:
Answer is B (Hydrocoisone): The treatment of choice for acute adrenal insufficiency is Glucocoicoid Replacement Therapy. Hydrocoisone is the preferred steroid fir Glucocoicoid replacement therapy in acute adrenal crisis since it has both glucocoicoid and mineralocoicoid actions. In cases where the diagnosis of acute ad...
154,972
medmcqa_train
Telefono means ?
Ans. is 'c' i.e., Beating on ears Telefono : Simultaneous beating of both ears with the palm of hands. This may lead to rupture of tympanic membrane, causing pain, bleeding and hearing loss. It is difficult to detect this. The external ear may also get torn during pulling of the ears. Falanga : beating of soles with bl...
154,973
medmcqa_train
Maximum tissue reaction in associated with which suture material?
Ans. D. Plain catgut. (Ref. Bailey and Love 26th/pg. 36. Table 18.1).While plain Catgut or Chromic catgut often causes bacterial infection due to inflammatory tissue reaction. Reaction to catgut depends on the stage of absorption and is mainly histocytic in type. Nonabsorbable sutures are encapsulated by a rim of conne...
154,974
medmcqa_train
The parvocellular pathway from lateral geniculate body to visual coex carries signals for detection of
Parvocellular pathway carries signal for detection of colour vision, texture, shape, fine detail. Ref: Ganong 25th ed/page 193
154,975
medmcqa_train
A 42-year old man was referred with a 2 week history of fever weakness and bleeding gum. Peripheral smear showed pancytopenia. The bone marrow examination revealed 26% blasts frequency exhibiting Auer rods and mature myeloid cells. An occasional neutrophil with pseudo Pelger-Huet anomaly was also detected. Which of the...
Patient here gives a sho history (acute onset) of development of pancytopenia (fever; weakness and gum bleeding suggest leucopenia; anemia and thrombocytopenia respectively). The presence of 26% blasts in the bone narrow suggests the development of acute leukemia and the presence of Auer rods means that the diagnosis i...
154,976
medmcqa_train
Which of the following is vitamin K-dependent clotting factor?
Ans. (A) Factor VII(Ref: Ganong, 21/e p547)Vitamin K-dependent factors are clotting factor II (prothrombin), VII, IX, and X and anti-clotting factors protein C and protein S.
154,977
medmcqa_train
Which of the following can be used safely in renal failure?
Pefloxacin It is the methyl derivative of norfloxacin; more lipid soluble, completely absorbed orally, penetrates tissues better and attains higher plasma concentrations. Passage into CSF is higher than other FQs-preferred for meningeal infections. It is highly metabolized-paly to norfloxacin which contributes to its a...
154,978
medmcqa_train
The maximum motility of the colon is seen in
The maximum motility of the colon is seen in the sigmoid colon. The rate of BER at sigmoid colon is 6/min. Rate of basal electric rhythm in various regions Segment Rate of BER Stomach 4/min Duodenum 12/min Distal ileum 8/min Cecum 2/min Sigmoid 6/min Ref: Ganong&;s Review of medical physiology 26th edition Pgno: 486
154,979
medmcqa_train
Class I histocompatibility antigens are expressed on all except
Class I histocompatibility antigens are expressed on all nucleated cells and platelets
154,980
medmcqa_train
All of the following have poor penetration in brain and eyes except
Glycopyrrolate, Tiotropium bromide, Isopropamide are Atropine substitute Quaternary compounds. These compounds are lipid insoluble and therefore have poor penetration in brain and eyes. Glycopyrrolate blocks the peripheral muscarinic side effects(caused by increased Ach levels) without causing unwanted central antichol...
154,981
medmcqa_train
Central placenta under the classification of placenta pre depending on the extension of the placenta into the lower segment comes under __________
Older classification of placenta pre (Browne&;s) Type Position Definition Type 1 Lateral Placenta dipping into lower segment but not reaching upto the os Type 2 Marginal Placental edge reached the os Type 3 Incomplete central Placenta covers the internal os when closed, but not when fully dilated Type 4 Central Placent...
154,982
medmcqa_train
The energy requirement of women are increased in first 6 months of lactation is
(550 kcal) (552- Park 20th)* Recommended daily intake of energy GroupBody weightEnergy allowance per day KgKcalMJAdult Ref Males(Light work)60242510.1 (Moderate work) 287512.0 (Heavy work) 380015.8Ref Females(Light work)5018757.8 (Moderate work) 22259.3 (Heavy work) 292512.2Pregnancy + 300+ 1.25Lactation (First 6 month...
154,983
medmcqa_train
The most common type of emphysema associated with a-1 antitrypsin deficiency -
Ans. is 'b' i.e., Panlobular
154,984
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Endodermal sinus tumor is characterised by
Refer Robbins page no 977Also known as endodermal sinus tumor, yolk sac tumor is of interest because it is the most common testicular tumor in infants and children up to 3 years of age. In this age group it has a very good prognosis. In adults the pure form of this tumor is rare; instead, yolk sac elements frequently o...
154,985
medmcqa_train
What is the root value of the posterior cutaneous nerve of the thigh?
Posterior cutaneous nerve of thigh- S1,2,3
154,986
medmcqa_train
Resting muscle length means?
Resting length: The length of the muscle fiber at the onset of contraction which is required to attain maximum active tension It is about 2 micrometers. Also known as optimum length. At this state, the ends of actin filaments extending from 2 successive Z disks barely overlap one another.
154,987
medmcqa_train
Which of the following is a common association with Celiac sprue ?
Both Celiac sprue and dermatitis herpetiformis are associated with HLA DQ2 and HLA DQ8
154,988
medmcqa_train
Semen squeeze
* Squeeze Technique: * Variation of the Masters and Johnson method. * As a man approaches climax, either he or his paner squeezes the tip of the penis just below the head of the penis as he approaches the point of climax. * Pressure is held there until the sensation of impending orgasm diminishes. * This pressure can e...
154,989
medmcqa_train
The most common pre-malignant condition of oral carcinoma is ?
Ans. is 'a' i.e., Leukoplakia o There are two premalignant lesions for oral Cancer ? i) Leukoplakia ii) Erythroplakia o Leukoplakia is the most common premalignant lesions. o But, the risk of malignant transformation of erythroplakia is much higher than that seen with leukoplakia. o The most common predisposing factor ...
154,990
medmcqa_train
Which of the hormone secretion is increased if pituitary stalk is transected?
Ans. a (Prolactin) (Ref. H - 18th/pg. 50, 351)Pituitary stalk transection syndrome is relatively frequent and should be suspected after cranial trauma or fetal distress syndrome. The outcome is progressive evolution towards panhypopituitarism and these patients require regular clinical survey and hormonal controls.The ...
154,991
medmcqa_train
Affiliation refers to
Affiliation orders are legal documents declaring that a man is the father of a child under question.
154,992
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Function of the maxillary sinus is:
Functional Importance and Clinical Considerations Many functions are attributed to maxillary sinus. Being an air space it lessens the weight of skull, gives resonance to the voice and protects the skull against mechanical shock. It warms and moistens the inspired air. The lysozyme it produces is bactericidal and thus c...
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Glasgow coma scale (GCS) in case of mild head injury: September 2011
Ans. B: 14/ 15 with loss of consciousness GCS in mild head injury: 14 or 15 with loss of consciousness
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Given the chest x-ray of a 45 years old man complaining of cough for the past 6 months. The patient gives a history of working in a construction factory for the past 15 years. what could be the probable Diagnosis?
Calcified pleural plaques is most common radiological manifestation of asbestosis. Pleural plaques typically arise from the parietal pleura, most frequently from the lower poions of the chest, sparing the apices and costophrenic angles.
154,995
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Which of the following immunoglobulins increased in primary bacterial infections is
B. i.e. (IgM) (89- Ananthanarayan 7th)* IgM is the first immunoglobulins synthesized in the antibody response (Primary response) and its presence in the serum indicates recent infections. Since it cannot cross the placenta, presence of IgM antibody in serum of foetus or new born indicates intrauterine infections. IgM i...
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medmcqa_train
Which ECG findings represents a characteristic manifestation of digitalis toxicity?
Digitalis glycosides are effective in increasing myocardial contractility and in the treatment of certain atrial tachyarrhythmias. However, digoxin actually increases myocardial automaticity (increase in premature beats) and facilitates reentry (atrial tachycardias). Digoxin also slows conduction through A V nodal tiss...
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Macrosomia is seen in all except
Risk factors associated with macrosomia : Maternal diabetes Multiparity Increased maternal age Maternal obesity Prolonged gestation Male fetus Ref: Dutta Obs 9e pg 263.
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Ulcerative colitis involves
Answer 'c' i.e. Mucosa Ulcerative colitis involves mucosa and superficial submucosa with deeper layers unaffected except in fulminant disease.
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