Chemical Coordination & Integration

Q.1: The atrial wall of our heart secretes ________________, which reduces blood pressure.

a) GIP

b) ANF

c) CCK

Q.2: Why do the immune responses of old persons become weak ?

a) Because of the underproduction of hormones by adrenal cortex.

b) Because of decreased production of thymosins.

c) Because of excess secretion of growth hormone.

Q.3: ___________ influences metabolism, pigmentation, menstrual cycle and defense capability.

a) thyroxine

b) melatonin

c) vasopressin

Q.4: Which of the following statements is/are true about “Cortisol” ?

i) It is the main glucocorticoid in our body.

ii) It maintains cardio-vascular system and kidney functions.

iii) It stimulates WBC production.

a) Only ii

b) i and ii

c) i, ii and iii

Q.5: In females, ______________ stimulates a vigorous contraction of uterus at the time of child birth and milk ejection from the mammary gland.

a) vasopressin

b) oxytocin

c) estrogen

Q.6: Acromegaly may lead to serious complications and premature death. This is because of _____________________.

a) deficiency of insulin

b) excess secretion of growth hormone

c) enlargement of thyroid gland

Q.7: The pituitary gland is located in ______________.

a) forebrain

b) sella tursica

c) trachea

Q.8: Name the peptide hormone which plays an important role in the regulation of glucose homeostasis.

a) Glucagon

b) Insulin

c) Both

Answers:

Q.1: The atrial wall of our heart secretes ________________, which reduces blood pressure.

a) GIP

b) ANF

c) CCK

Q.2: Why does the immune responses of old persons become weak ?

a) Because of the underproduction of hormones by adrenal cortex.

b) Because of decreased production of thymosins.

c) Because of excess secretion of growth hormone.

Q.3: ___________ influences metabolism, pigmentation, menstrual cycle and defense capability.

a) thyroxine

b) melatonin

c) vasopressin

Q.4: Which of the following statements is/are true about “Cortisol” ?

i) It is the main glucocorticoid in our body.

ii) It maintains cardio-vascular system and kidney functions.

iii) It stimulates WBC production.

a) Only ii

b) i and ii

c) i, ii and iii

Q.5: In females, ______________ stimulates a vigorous contraction of uterus at the time of child birth and milk ejection from the mammary gland.

a) vasopressin

b) oxytocin

c) estrogen

Q.6: Acromegaly may lead to serious complications and premature death. This is because of _____________________.

a) deficiency of insulin

b) excess secretion of growth hormone

c) enlargement of thyroid gland

Q.7: The pituitary gland is located in ______________.

a) forebrain

b) sella tursica

c) trachea

Q.8: Name the peptide hormone which plays an important role in the regulation of glucose homeostasis.

a) Glucagon

b) Insulin

c) Both

Published by Priya Prakash

In the midst of winter, i found there was within me an invincible summer ~ Albert Camus

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