Top 550+ Solved Physiology MCQ Questions Answer

From 586 to 600 of 687

Q. The largest glycogen store in the adult body is in the:

a. liver

b. spleen

c. muscle

d. pancreas

e. circulating red cell mass

  • c. muscle

Q. TSH secretion is stimulated by:

a. dopamine

b. somatostatin

c. cold temperatures

d. stress

e. glucocorticoids

  • c. cold temperatures

Q. Thyroxine (T4) has greater affinity for:

a. thyroxine-binding globulin

b. transthyretin

c. thyroxine-binding pre-albumin

d. albumin

e. triiodothyronine

  • a. thyroxine-binding globulin

Q. GLUT is an example of:

a. simple diffusion

b. facilitated diffusion

c. primary active transport

d. secondary active transport

e. endocytosis

  • b. facilitated diffusion

Q. The most common cell type of the endocrine pancreas is:

a. A cells

b. B cells

c. C cells

d. D cells

e. F cells

  • b. B cells

Q. Both insulin and somatostatin:

a. are released from extra-pancreatic sites

b. receptors are linked to G proteins

c. inhibit release of glucagon

d. cause K+ uptake by cells

e. are polypeptides containing two chains linked by disulphide bonds

  • c. inhibit release of glucagon

Q. Aldosterone is secreted by:

a. zona reticularis

b. zona fasciculata

c. zona glomerulosa

d. zona fasciculata and reticularis

e. zona glomerulosa and fasciculata

  • c. zona glomerulosa

Q. Regarding aldosterone:

a. it is released in response to hypokalaemia

b. it has glucocorticoid action

c. it works via G proteins to increase Na+ reabsorption

d. its release results in alkaline urine

e. it is highly protein-bound

  • b. it has glucocorticoid action

Q. Calcitonin secretion is increased by:

a. gastrin

b. CCK

c. secretin

d. glucagon

e. all of the above

  • e. all of the above

Q. All of the following bind to intracellular receptors EXCEPT:

a. cortisol

b. aldosterone

c. 1,25-DHCC

d. parathyroid hormone

e. thyroxine

  • d. parathyroid hormone

Q. All of the following are high energy phosphate compounds EXCEPT:

a. adenosine triphosphate

b. glucose 6-phosphate

c. creatine phosphate

d. adenosine diphosphate

e. guanosine triphosphate

  • b. glucose 6-phosphate

Q. Under aerobic conditions, 1mol glucose forms:

a. 2mol ATP

b. 8mol ATP

c. 16mol ATP

d. 38mol ATP

e. 42mol ATP

  • d. 38mol ATP

Q. The approximate ratio of fat : CHO energy stores is:

a. 2 : 1

b. 4 : 1

c. 10 : 1

d. 20 : 1

e. 40 : 1

  • e. 40 : 1

Q. Nutritionally essential amino acids include:

a. glycine

b. serine

c. lysine

d. glutamine

e. tyrosine

  • c. lysine
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