Question

Choose the correct option among the following.

Column A	Column B
A. Epinephrine	(i) Stimulates in muscle growth
B. Testosterone	(ii) Decrease in blood pressure
C. Glucagon	(iii) Breakdown of liver glycogen
D. Atrial natriuretic factor	(iv) Increases heart beat

• A. A-(ii), B-(i), C-(iii), D-(iv)
• B. A-(iv), B-(i), C-(iii), D-(ii)
• C. A-(i), B-(ii), C-(iii), D-(iv)
• D. A-(i), B-(iv), C-(ii), D-(iii)

Answer 1

Answer: (B)

A-(iv), B-(i), C-(iii), D-(ii)

A. Role of epinephrine and non- epinephrine- They whip up metabolism for preparing the animal to face special conditions created by physical stress such as fall in BP or blood sugar, anger, fear etc..All these conditions require more energy which is provided by increasing heart rate, blood pressure, sugar level of blood.

B. Testosterone- It stimulates the development of male accessory sex characters such as hair on the face, growth and distribution of hair on the body, stronger bones and muscles.

C. Glucagon- It is secreted by alpha cells of the islands of Langerhans in response to a fall in the blood glucose level. It brings about change of liver glycogen to blood glucose( glycogenolysis).

D. Atrial natriuretic factor- The cells, called cardiocytes, of the atria secrete a peptide, ANF in response to an increased return of the venous blood. This hormone regulates the blood volume through increased excretion of ions and water.

So, the correct answer is 'A-(iv), B-(1), C-(iii), D-(ii)'.