medical MCQs – Page 356

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 Review each marked answer and report any item that may be outdated or unclear.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

7101. When a person lies down_______________?
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A. There is immediate increase in venous return

B. Heart rate becomes stable at slightly more than normal

C. Cerebral blood flow increase & becomes stable at more than normal

D. Blood flow to the Apex of lung decrease

7102. The temperature of body is controlled by_______________?
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A. Hypothalamus

B. Precentral gyrus

C. Medulla

D. Diencephalon

7103. False about blood brain barrier is_______________?
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A. Fibronectin provides a barrier for diffusion

B. There are no gaps between active sites

C. Less activity in the membrane

D. There are gaps between tight junctions at the active sites

7104. Test for estimating kidney function is_______________?
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A. Inulin test

B. Serum phosphatase

C. Insulin test

D. Serum creatinine

7105. Infants acquire adult hemoglobin level at_____________?
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A. 4 years

B. End of 1st year

C. Puberty

D. Birth

7106. Which of the following is one for a patient on coumarin (warfarin) therapy_______________?
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A. Capillary fragility test (CFT)

B. Bleeding time (BT)

C. Partial thromboplastin time ( PTT)

D. Prothrombin time (PT)

7107. Valve of Hasner is present at________________?
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A. common bile duct

B. maxillary Sinus

C. Naso lacrimal duct

D. Stensons duct

7108. The function of plasma cell______________?
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A. Phagocytosis

B. Antibody formation

C. Opsonization

D. CMI

7109. The following electrodes are used to detect the muscle activity without pain_________________?
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A. Needle electrode

B. Surface electrode

C. Round electrode

D. Hook electrode

7110. Sensory receptors for pain are_______________?
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A. Free nerve endings

B. End organs of Ruffini

C. End bulbs of Krause

D. Pacinian corpuscles

7111. Which of the following is not useful for coagulation______________?
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A. Plasmin

B. Fibrin

C. Thrombin

D. Calcium

7112. In cerebellar disease, all the statements are correct except______________?
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A. The rombergs sign is positive

B. There is involuntary termor

C. There is adiodokokinesia

D. There is pendular knee jerk

7113. Differential white blood cell counts in the laboratory are useful in the diagnosis of_______________?
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A. Anemia

B. Vitamin deficiency

C. Spherocytosis

D. Eosinophilia

7114. The number of muscle fibers in a motor unit are least in______________?
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A. Pharyngeal muscles

B. Muscles of middle ear

C. Laryngeal muscles

D. Extraocular muscles

7115. Normal myeloid / erythroid ratio is______________?
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A. 0.111111111

B. 1:50

C. 3.513888889

D. 1:1000

7116. CO2 is transported in plasma as_____________?
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A. Carbomino compounds

B. Dissolved

C. Bicarbonate

D. CO

7117. Which of the following coagulation factors is deficient in classical hemophilia ?
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A. XII

B. X

C. IX

D. VIII

7118. Site of ADH action is______________?
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A. Collecting tubule

B. Proximal tubule

C. Loop of Henle

D. Vasa recta

7119. In a DNA molecule adenine always forms a linkage with______________?
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A. Cytosine

B. Thymine

C. Guanine

D. Uracil

7120. Persons having anti- A and anti- B is agglutinins in their serum belong to which blood group_____________?
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A. B

B. A

C. AB

D. O

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