medical MCQs – Page 347

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 Review each marked answer and report any item that may be outdated or unclear.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

6921. The transport of CO is diffusion limited because_______________?
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A. CO is less absorbed in water

B. Bind avidly with Hb

C. Partial pressure of CO is less

D. Alveolar membrane is less permeable

6922. Cortisol______________?
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A. Enhances antigen antibody reactions

B. Favours protein synthesis

C. Tends to lower blood pressure

D. Secretion increases following injury

6923. Endocrine disorder is the primary cause of______________?
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A. Albrights syndrome

B. Acromegaly

C. Fibrous dysplasia

D. Pagets disease

6924. Within which parts of a gastric gland are chief cells located_____________?
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A. Fundus

B. Neck

C. Gastric pit

D. Isthmus

6925. Which is not produced enteroendocrinally_____________?
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A. Intrinsic factor

B. Motilin

C. GIP

D. Secretin

6926. Features of hypothyroidism does not include______________?
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A. High TSH levels

B. Hypertension

C. Increased risk of infections

D. Obseity

6927. In conns disease, there is an excess of______________?
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A. Noradrenaline

B. Cortisol

C. Adrenaline

D. Aldosterone

6928. Insulin facilitates glucose uptake in____________?
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A. Brain

B. Red blood cells

C. Skeletal muscle

D. Kidney tubules

6929. Nutrients are mainly absorbed in______________?
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A. Liver

B. Small intestine

C. Large intestine

D. Stomach

6930. Following are local hormones except___________?
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A. Heparin

B. Acetylcholine

C. Insulin

D. Bradykinin

6931. The alveolar ventilation in an individual with tidal volume: 600 ml, dead space 150 ml and respiratory rate of 15/ minute is_____________?
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A. 2.5 lit/Min

B. 9 Lit/Min

C. 4.0 lit /Min

D. 6.75 Lit/Min

6932. Gastrin is produced by _____________?
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A. Gastric antral cells

B. All

C. Pituitary

D. Pancreas

6933. A decrease in the arterial PO2 is seen in______________?
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A. Paralysis of inspiratory muscles

B. Decrease in hemoglobin concentration of arterial blood

C. Sluggish blood flow

D. High altitudes

6934. Which of the following hormones is released from the posterior pituitary ?
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A. Antidiuretic hormone

B. ACTH

C. Luetinizing hormone

D. Growth hormone

6935. Maximum absorption of bile occurs at_____________?
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A. Colon

B. Jejunum

C. Duodenum

D. Ileum

6936. In jaundice, there is an unconjugated hyperbilirubinemia which is most likely due to __________?
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A. Cirrhosis

B. Hepatitis

C. Increased break down of red cells

D. Obstruction of bile canaliculi

6937. Which amongst the following is the gold standard for demonstrating hcG____________?
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A. Immunofluorescence

B. Radio immune assay

C. Latex agglutination

D. ELISA

6938. Energy expenditure during normal breathing____________?
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A. 50% -75% of total energy spent

B. 2% 3% of total energy spent

C. 25% 50% of total energy spent

D. 15% 20% of total energy spent

6939. Vagal stimulation following intake of food does not affect secretion of_______________?
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A. Parotid

B. Pancrease

C. Gall bladder

D. Stomach

6940. Hypothyroidism should be treated with daily administration of which of the following thyroid hormone preparations ?
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A. Thyroxine (T4)

B. Thyroglobulin

C. Triiodothyronine (T3)

D. Thyroid extract

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