medical MCQs – Page 360

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 Review each marked answer and report any item that may be outdated or unclear.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

7181. Iron is stored in_______________?
0

A. Plasma

B. Reticule endothelial system

C. RBC

D. All

7182. Plasma thromboplastin antecedent is______________?
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A. Anti-hemophiliac C factor

B. Anti-hemophiliac F factor

C. Anti-hemophiliac A factor

D. Anti-hemophiliac B factor

7183. Plasma factor present in both serum & plasma is____________?
0

A. V

B. VII

C. Fibrinogen

D. II

7184. The first physiological response to high environmental temperature is_______________?
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A. Decrease heat production

B. Non- shivering thermogenesis

C. Sweating

D. Vasodilatation

7185. Functional unit of kidney is______________?
0

A. Glomerulus

B. Collecting ducts

C. Loop of Henle

D. Nephron

7186. To preserve blood for transfusion later______________?
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A. Add solution of calcium chloride

B. Dilute with equal volume of 0.9% saline

C. Add solution of sodium citrate

D. Add fibrinogen

7187. Clotting factor common to extrinsic and intrinsic pathway is_____________?
0

A. Factor V

B. Factor VII

C. Factor III

D. Factor II

7188. The renal threshold for glucose is_______________?
0

A. 80 mg/dl

B. 100 mg/dl

C. 180 mg / dl

D. 120 mg/dl

7189. Tissues with least regenerative potential is________________?
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A. Nerve

B. None of the above

C. Cardiac muscle

D. Skin

7190. Which of the following is not a vitamin K dependent procoagulant ?
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A. Factor II

B. Factor XI

C. Factor IX

D. Factor VII

7191. Renin secretion is stimulated by all except_____________?
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A. Cardiac failure

B. Sympathetic stimulation

C. Low Na+ in proximal tubule

D. High Na+ in proximal tubule

7192. Lysis of RBCs are seen in all of the following except__________?
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A. Obstructive jaundice

B. Thalassemia

C. Sickle cell anemia

D. Methotrexate therapy

7193. Most of the sodium is reabsorbed in_____________?
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A. Loop of henle

B. Vasa recta

C. PCT

D. DCT

7194. A decrease in the urine output is called_____________?
0

A. Plyuria

B. Oliguria

C. Dysuria

D. Nocturia

7195. Erythropoietin is produced in the_______________?
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A. Kidney

B. Spleen

C. Liver

D. Bone marrow

7196. Receptors for olfactory sensation are present in ______________?
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A. None of the above

B. Nasal septum

C. Lateral walls

D. Lateral wall and nasal septum above superior concha

7197. Hemoglobin is the major buffer in blood, bicarbonate ions diffuse out of erythrocyte into plasma in exchange of_______________?
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A. Potassium

B. Carbonic acid

C. Phosphate

D. Chloride ion

7198. During inspiration when the diaphragm contracts, the intrapleural pressure becomes_____________?
0

A. Less negative

B. Equal to the intra alveolar pressure

C. Positive

D. More negative

7199. Ammonia in the kidney tubules is excreted in exchange for______________?
0

A. Na+

B. PO4-2

C. CL-

D. HCO3-

7200. Meiotic division of male germ cells commence_______________?
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A. by around 6 years after birth

B. During intra uterine life

C. by around 16 years

D. just before birth

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