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MCQ on Chemical Coordination and Integration

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Which gland is considered the master gland of the endocrine system?
a. Pituitary gland
b. Thyroid gland
c. Adrenal gland
d. Pancreas
Answer: a. Pituitary gland

Which hormone is responsible for the regulation of blood glucose levels?
a. Insulin
b. Glucagon
c. Thyroxine
d. Prolactin
Answer: a. Insulin

Which gland secretes cortisol and adrenaline in response to stress?
a. Adrenal gland
b. Thyroid gland
c. Pituitary gland
d. Pancreas
Answer: a. Adrenal gland

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Which hormone is responsible for the development and maintenance of male sexual characteristics?
a. Testosterone
b. Estrogen
c. Progesterone
d. Oxytocin
Answer: a. Testosterone

Which gland is responsible for the regulation of the body’s metabolism?
a. Thyroid gland
b. Pituitary gland
c. Adrenal gland
d. Pancreas
Answer: a. Thyroid gland

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Which hormone is responsible for the regulation of calcium levels in the body?
a. Parathyroid hormone
b. Insulin
c. Glucagon
d. Estrogen
Answer: a. Parathyroid hormone

Which hormone is responsible for the regulation of the body’s circadian rhythm?
a. Melatonin
b. Cortisol
c. Thyroxine
d. Progesterone
Answer: a. Melatonin

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Which gland is responsible for the secretion of melatonin?
a. Pineal gland
b. Thyroid gland
c. Adrenal gland
d. Pituitary gland
Answer: a. Pineal gland

Which hormone is responsible for the contraction of the uterus during childbirth and the release of milk during breastfeeding?
a. Oxytocin
b. Prolactin
c. Estrogen
d. Testosterone
Answer: a. Oxytocin

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Which gland is responsible for the regulation of the body’s growth and development?
a. Pituitary gland
b. Thyroid gland
c. Adrenal gland
d. Pineal gland
Answer: a. Pituitary gland

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