medical MCQs – Page 364

Practise multiple-choice questions from medical for competitive examinations and subject revision. Review each marked answer and report any item that may be outdated or unclear.

medical Mcqs

1. oral anatomy 2. microbiology 3. oral pathology and medicine 4. physiology 5. biochemistry 6. general anatomy 7. dental materials 8. pharmacology 9. pathology 10. oral histology

7261. Small lymphocyte is _____________?
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A. Bigger than RBC

B. None of these

C. Same as the size of RBC

D. Smaller than RBC

7262. The part of nephron least permeable to water is______________?
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A. Descending limb of loop of Henle

B. Ascending limb of loop of Henle

C. Collecting tubule

D. Proximal tubule

7263. T- lymphocytes play a primary role in_________________?
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A. production of lymphokines and delayed hypersensitivity

B. Production of Antibodies

C. Immediate Hypersensitivity

D. Activation of complement system

7264. Regulated bone growth through puberty occurs through__________________?
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A. Chondrophyseal plates

B. Epiphyseal plates

C. Ectophyeseal plates

D. Endophyseal plates

7265. Megaloblasts are precursors of_____________?
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A. Megakaryocytes

B. Norm oblasts

C. Myelocytes

D. Macrocytes

7266. True about nephron is_____________?
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A. The filtrate reaching distal convoluted tubule is hypertonic with respect to surroundings

B. Absorption of water occurs in ascending loop of Henle

C. Na is absorbed actively in descending loop of Henle

D. 60 to 70% of GFR is absorbed in proximal tubule

7267. The anticoagulant of choice used in the blood bank is_______________?
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A. Calcium oxalate

B. Sodium fluoride

C. Acid citrate dextrose solution

D. Heparin solution

7268. Pain producing substance is________________?
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A. Histamine

B. Serotonin

C. Acetyl choline

D. Substance P

7269. Macula dense in kidney is located in relation to______________?
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A. Afferent arteriole

B. Efferent arteriole

C. PCT

D. DCT

7270. Each kidney contains about ______ nephrons ?
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A. Two million

B. One million

C. Four million

D. million

7271. Plasma colloid osmotic pressure is due to________________?
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A. Globulin

B. Albumin

C. Collagen

D. Fibrinogen

7272. Activation of which one of the following coagulation factors is not essential for hemostasis________________?
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A. X

B. IX

C. XI

D. XII

7273. Normal prothrombin time is____________?
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A. 30 sec

B. 10-20 sec

C. 5-7 sec

D. 1 min

7274. T- lymphocytes function to______________?
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A. Lymphokine production and delayed hypersensitivity

B. Immediate hypersensitivity

C. Complement activation

D. Antibody production

7275. The most outer covering of nerve fibres is called as____________?
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A. Axolemma

B. Myelin sheath

C. Perineurium

D. Neurolemma

7276. The kidney secrete all of the following hormones except_____________?
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A. Erythropoietin

B. Vasopressin

C. Renin

D. 1,2,5 Dihydroxy cholecalciferol

7277. primary cause of bleeding disorder in liver damage is due to______________?
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A. Decreased level of prothrombin

B. Lack of vitamin B

C. Platelet deficiency

D. Lack of vitamin K

7278. _________ is an example for rapidly acting neurotransmitter?
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A. Substance P

B. Somatostatin

C. Calcitonin

D. Glycine

7279. The normal adult value of urine output________________?
0

A. 2 l/day

B. 3 l/day

C. 0.5 l/day

D. 1.5 l/day

7280. Epicrritic perception of pain occurs at the level of______________?
0

A. Thalamus

B. Pulvinar

C. Area 3,1,2

D. Areas 5,7

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