Endocrine System & Hormones MCQs With Answer
What is the primary function of the endocrine system?
a) Digestion of food
b) Regulation of hormones
c) Transportation of oxygen
d) Production of red blood cells
Which gland is known as the “master gland” of the body?
a) Thyroid gland
b) Adrenal gland
c) Pituitary gland
d) Pancreas
Which hormone regulates blood sugar levels?
a) Insulin
b) Adrenaline
c) Oxytocin
d) Melatonin
Which gland produces insulin?
a) Thyroid gland
b) Pancreas
c) Adrenal gland
d) Pituitary gland
Which hormone is responsible for the “fight or flight” response?
a) Insulin
b) Adrenaline
c) Oxytocin
d) Thyroxine
Which endocrine gland is located in the neck?
a) Pituitary gland
b) Thyroid gland
c) Adrenal gland
d) Pancreas
Which hormone controls metabolism?
a) Thyroxine
b) Insulin
c) Estrogen
d) Cortisol
What is the primary function of cortisol?
a) Regulating metabolism
b) Managing stress response
c) Controlling blood sugar
d) Stimulating growth
Which hormone helps regulate sleep cycles?
a) Insulin
b) Adrenaline
c) Melatonin
d) Estrogen
Which gland produces melatonin?
a) Thyroid gland
b) Pineal gland
c) Adrenal gland
d) Pituitary gland
Which hormone is responsible for regulating calcium levels in the blood?
a) Calcitonin
b) Oxytocin
c) Insulin
d) Estrogen
Which gland produces testosterone?
a) Ovaries
b) Pancreas
c) Testes
d) Pituitary gland
Which hormone is primarily responsible for female reproductive development?
a) Testosterone
b) Estrogen
c) Insulin
d) Oxytocin
Which gland is responsible for producing estrogen?
a) Testes
b) Ovaries
c) Pancreas
d) Thyroid gland
Which hormone plays a key role in childbirth and lactation?
a) Insulin
b) Oxytocin
c) Cortisol
d) Melatonin
Which gland releases growth hormone?
a) Thyroid gland
b) Adrenal gland
c) Pituitary gland
d) Pancreas
Which hormone helps regulate blood pressure and water balance in the body?
a) Insulin
b) Antidiuretic hormone (ADH)
c) Oxytocin
d) Adrenaline
Which gland releases aldosterone, a hormone that controls sodium balance?
a) Pituitary gland
b) Adrenal gland
c) Thyroid gland
d) Pancreas
Which disorder is caused by the insufficient production of insulin?
a) Hyperthyroidism
b) Diabetes mellitus
c) Addison’s disease
d) Cushing’s syndrome
Which gland is affected in hypothyroidism?
a) Pituitary gland
b) Thyroid gland
c) Adrenal gland
d) Pancreas
Which hormone stimulates milk production in breastfeeding women?
a) Oxytocin
b) Prolactin
c) Insulin
d) Estrogen
Which hormone is commonly referred to as the “stress hormone”?
a) Melatonin
b) Cortisol
c) Insulin
d) Testosterone
Which gland is part of both the endocrine and digestive systems?
a) Thyroid gland
b) Adrenal gland
c) Pancreas
d) Pituitary gland
Which hormone is released during fasting to increase blood sugar levels?
a) Insulin
b) Glucagon
c) Cortisol
d) Oxytocin
Which condition results from excessive growth hormone production in adults?
a) Dwarfism
b) Acromegaly
c) Hyperthyroidism
d) Diabetes
Which hormone is responsible for female secondary sexual characteristics?
a) Testosterone
b) Estrogen
c) Melatonin
d) Insulin
Which hormone is important in regulating mood and emotional well-being?
a) Serotonin
b) Cortisol
c) Oxytocin
d) Glucagon
Which gland secretes epinephrine and norepinephrine?
a) Pituitary gland
b) Adrenal gland
c) Pancreas
d) Thyroid gland
Which endocrine disorder is caused by overproduction of thyroid hormones?
a) Hypothyroidism
b) Hyperthyroidism
c) Addison’s disease
d) Diabetes mellitus
Which gland plays a role in immune system function by producing thymosin?
a) Thyroid gland
b) Thymus gland
c) Pituitary gland
d) Adrenal gland