Physiology MCQs 2nd Year MBBS

 TOPIC: ENDOCRINOLOGY

     MULTIPLE CHOICE QUESTIONS

1)All of following are true about insulin except

a)It increases translation of mRNA

b)It inhibits breakdown of proteins

c)It decreases gluconeogenesis in liver

d)It promotes liver uptake, storage and use of glucose

e)Transport of glucose into brain cells depends on insulin

Correct ans is (e) Reference: Guyton 13th edition page 986-987 

 2) Which of following indicates hyperthyroidism

a) increased sweating

 b) constipation

c) mental sluggishness

 d) husky voice 

 e) increased body weight 

 Correct ans is (a) Reference: Guyton 13th edition page 961

3) Secretion of milk is the action of which hormone 

 a) LH

 b) Prolactin

c) FSH

 d) Progesterone

e) Estrogen 

 Correct ans is (b) Reference: Guyton 13th edition page 927 

 4) For which of the following compounds the receptor is present in cell nucleus

a) thyroid hormones

 b) steroid hormones

c) proteins

 d) peptide

e) catecholamine hormones 

 Correct ans is (a) Reference: Guyton 13th edition page 930 

 5) Growth hormone secretion is stimulated by 

 a) increased blood glucose

 b) obesity

c) aging 

 d) somatomedins

e) starvation

     Correct ans is (e) Reference: Guyton 13th edition 945

6) The physical appearance of a person shows protruded jaw, kyphosis,enlarged hands.What should be this condition called

a) gigantism 

 b) dwarfism

c) acromegaly

 d) hyperthyroidism 

 e) Addison's disease

   Correct ans is © Reference: Guyton 13th edition page 947

    7) Which of the following increase aldosterone secretion

a) increased Na ion concentration 

 b) increased angiotensin II

c) decreased angiotensin II

 d) decreased K ion concentration 

 e) decreased Ca ion concentration

Correct ans is (b) Reference: Guyton 13th edition page 971

8) Which of following is suggestive of Type II Diabetes Mellitus

a) normal insulin sensitivity

 b) low plasma insulin

c) body mass is low

 d) age of onset is >30 years 

 Correct ans is (d) Reference: Guyton 13th edition page 997

9) Factor that decreases insulin secretion is

a) fasting

 b) increased body glucose 

 c) increased blood amino acids

 d) sulfonylurea drugs 

 e) increased blood free fatty acids

Correct ans is (a) Reference: Guyton 13th edition page 990 

 10) Insulin increases entry of glucose into 

 a) all tissues 

 b) renal tubular cells

c) skeletal muscle 

 d) neurons in cerebellum 

 e) mucosa of small intestine 

 Correct ans is © Reference: Guyton 13th edition page 986