medical MCQs – Page 353

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 Review each marked answer and report any item that may be outdated or unclear.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

7041. Carbonic anhydrase in the kidney tubular cells is known to be associated with_____________?
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A. Urea

B. Carbohydrate

C. Bicarbonate ion

D. Chloride

7042. Contractile element in myofibril is_______________?
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A. Sarcomere

B. Sarcoplasm

C. A line

D. H band

7043. The oral and pharyngeal phases of swallowing take place very rapidly and last about______________?
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A. 3.5 seconds

B. 1-1.5 seconds

C. 9.5 seconds

D. 6.0 seconds

7044. The only fixed cell of the connective tissue_______________?
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A. Mast cell

B. Neutrophils

C. Histiocyte

D. Lymphocyte

7045. Serum is______________?
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A. Blood RBC

B. Plasma- fibrin

C. Plasma- clotting factors

D. Blood all cellular elements

7046. The half-life of plasma Albumin is approximately___________________?
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A. 7 days

B. 90 days

C. 20 days

D. 60 days

7047. Succinyl choline acts to block neuromuscular transmission by_______________?
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A. Inhibiting cholinesterase

B. Depolarizing the motor end plate of skeletal muscle

C. Inhibiting the CNS

D. Blocking the release of acetyl choline at the end plate

7048. What is the normal PH of human blood_____________?
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A. 7

B. 7.6

C. 7.2

D. 7.35 to 7.4

7049. Patient with anemia tends to have all, except________________?
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A. A low PO2 in arterial blood

B. Pallor of mucous membranes

C. Increased incidence of heart murmurs

D. Compensatory increase in cardiac output

7050. Brocas area is concerned with______________?
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A. Comprehends language not speaking

B. Is the confluence of somatic , auditory and visceral areas

C. Word formation

D. Present in posterior part of temporal lobe

7051. Which among the following is also called peak less insulin analog ?
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A. Lente insulin

B. Insulin aspart

C. Insulin lispro

D. Insulin glargine

7052. Maximum amount of glucose absorption occurs at_______________?
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A. Loop of henle

B. None

C. PCT

D. DCT

7053. In excitable cells, repolarization is closely associated with, one of the following events_______________?
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A. K influx

B. K efflux

C. Na influx

D. Na effux

7054. First change to occur after nerve cut is_______________?
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A. Axonal sprouting

B. Schwan cell mitosis

C. Nuclear disintegration

D. Myelin sheath degeneration

7055. Which of the following acts as a neurotransmitter inhibitor _______________?
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A. GABA

B. Glutamate

C. Aspartic acid

D. Lysin

7056. Breathing ceases upon destruction of the___________________________?
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A. Medulla oblongata

B. Cerebellum

C. Cerebrum

D. Hypothalamus

7057. Bleeding time is prolonged in a person who_______________?
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A. Takes coumarin derivatives

B. Has liver disease

C. Takes large quantities of aspirin

D. Lacks factor VIII

7058. Plasma cells are constituent of_____________________?
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A. Epithelial tissue

B. Nervous tissue

C. Muscular tissue

D. Connective tissue

7059. Gut associated lymphoid tissue ( GALT) is primarily located in______________?
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A. Lamina propria

B. Muscularis

C. Submucosa

D. Serosa

7060. Which one of the following is not responsible for concentration of urine in the kidneys______________?
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A. Aldosterone

B. Angiotensin II

C. Epinephrine

D. Vasopressin

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