7 Most VSAQ’s of Endocrine System and Chemical Coordination Chapter in Inter 2nd Year Zoology (TS/AP)

2 Marks

VSAQ-1 : What is Acromegaly? Name the hormone responsible for this disorder.

Acromegaly is a condition that occurs when there is an excess of the growth hormone (somatotropin) in adults. This condition leads to the abnormal enlargement of bones, particularly in the jaw, hands, and feet. Additionally, it can result in the thickening of the nose, lips, and eyelids, giving a distinct appearance. While acromegaly is rare, it can cause various health issues, but it is treatable with medical intervention.


VSAQ-2 : Which hormone is called anti-diuretic hormone? Write the name of the gland that secretes it.

The hormone known as anti-diuretic hormone (ADH) is also called vasopressin. It is secreted by the posterior lobe of the pituitary gland in the brain. ADH plays a crucial role in regulating water balance in the body by influencing the kidneys’ reabsorption of water and controlling urine production.


VSAQ-3 : Distinguish between Diabetes insipidus and Diabetes mellitus.

Diabetes Insipidus

  1. Excessive urine production and extreme thirst.
  2. Caused by insufficient vasopressin (antidiuretic hormone) production, leading to reduced water reabsorption in the kidneys.

Diabetes Mellitus

  1. Increased urine production due to high blood sugar levels.
  2. Caused by inadequate insulin production or inefficient insulin use, resulting in elevated blood sugar levels and an inability to transport sugar into cells for energy.

VSAQ-4 : Name the gland that increases in size during childhood and decreases in size during adulthood. What important role does it play in case of infection?

The thymus gland increases in size during childhood and decreases in size during adulthood. It produces the hormone thymosin, which is essential for the development and maturation of T-lymphocytes (T-cells). These T-cells play a crucial role in our body’s immune system, providing cell-mediated immunity against infections, and supporting the production of antibodies, which are vital for defending against infections and diseases.


VSAQ-5 : What is ‘Insulin Shock’?

Insulin shock, or hypoglycemia unawareness, results from low blood glucose levels due to excess insulin or inadequate food intake. Symptoms include confusion, shakiness, sweating, weakness, and, in severe cases, loss of consciousness. People with diabetes on insulin should monitor blood sugar levels and promptly treat hypoglycemia with glucose or sugar-containing foods to prevent insulin shock.


VSAQ-6 : Which hormone is commonly known as fight and flight hormone?

The “fight or flight” hormones are epinephrine (adrenaline) and norepinephrine. These hormones are released during stress or emergencies, preparing the body for action by increasing heart rate, energy levels, focus, and alertness. They enable individuals to respond quickly to dangerous situations, either by confronting the threat or fleeing from it.


VSAQ-7 : What are Androgens? Which cells secrete them?

Androgens are a group of male sex hormones, with testosterone being the primary androgen. They are responsible for male secondary sexual characteristics and are mainly secreted by Leydig cells in the testes. Androgens play a crucial role in regulating sperm production and supporting the male reproductive system.