1.

Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other?

• Insulin

  Glucagon

• Aldosterone

  Atrial Natriuretic Factor

• Relaxin

  Inhibin

• Relaxin

  Inhibin

A pregnant female delivers a baby, who suffer from stunted growth, mental retardation low intelligence quotient and abnormal skin. This is the result of 

• deficiency of iodine in diet

• low secretion of growth hormone

• cancer of the thyroid glad

• cancer of the thyroid glad

Which of the following statement is correct in relation to the endocrine system?

• Adenohypophysis is under the direct neural regulation of the hypothalamus.

• Organs in the body like gastrointestinal tract, heart, kidney and live

• Non-nutrient chemicals produced by the body in trace amount that acts as intercellular messengers are known as hormones.

• Non-nutrient chemicals produced by the body in trace amount that acts as intercellular messengers are known as hormones.

Which one of the following hormones is not involved in sugar metabolism?

• Cortisone

• Aldosterone

• Insulin

• Insulin

Which one of the following hormones though synthesised elsewhere, is stored and released by the master gland?

• Antidiuretic hormone

• Luteinizing hormone

• Prolactin

• Prolactin

A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neurohormonal control system?

• Sympathetic nervous system is activated releasing epinephrine and norepinephrine from adrenal medulla

• Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse

• Hypothalamus activates the parasympathetic division of brain

• Hypothalamus activates the parasympathetic division of brain

Which one of the following pairs of hormones are the examples of those that can easily pass through the cell membrane of the target cell and bind to a receptor inside it(mostly the nucleus)

• Insulin and glucagon

• Thyroxin and insulin

• Somartostatin and oxytocin

• Somartostatin and oxytocin

What is correct to say about the hormone action in humans?

• Glucagon is secreted by -cells of Islets of Langerhans and stimulates glycogenolysis

• Secretion of thymosine is stimulated with ageing

• In females, FSH first binds with specific receptors on ovarian cell membrane

• In females, FSH first binds with specific receptors on ovarian cell membrane

Identify the hormone with its correct matching of source and function.

• Oxytocin - posterior pituitary, growth and maintenance of mammary glands.

• Melatonin - pineal gland, regulates the normal rhythm of sleep-wake cycle

• Progesterone - corpus luteum, stimulation of growth and activities of female secondary sex organs

• Progesterone - corpus luteum, stimulation of growth and activities of female secondary sex organs

Fight or flight reactions cause activation of 

• the parathyroid glands, leading to increased metabolic rate

• the kidney, leading to suppression of reninangiotensin - aldosterone pathway 

• the adrenal medulla, leading to increased secretion epinephrine and norepinephrine

• the adrenal medulla, leading to increased secretion epinephrine and norepinephrine