Biology ยท General Awareness

Human Endocrine System

1,530 Questions

The human endocrine system comprises glands that secrete hormones to regulate bodily functions like metabolism, growth, and reproduction. Competitive exams frequently test the specific roles of hormones such as adrenaline, insulin, and progesterone. Use these questions to master the locations and functions of different hormones.

Hormone functionsIslets of LangerhansFight or flight responseBlood pressure regulationFemale sex hormonesWater soluble hormones

Human Endocrine System Questions

Multiple choice

Which of the following is a natural hormone that is disrupted by pesticides and herbicides?

  1. Estrogen

  2. Testosterone

  3. Progesterone

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pesticides and herbicides can disrupt the production and metabolism of a variety of natural hormones, including estrogen, testosterone, and progesterone.

Multiple choice

Which hormone plays a crucial role in regulating calcium metabolism and maintaining bone strength in women?

  1. Estrogen

  2. Progesterone

  3. Testosterone

  4. Insulin
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Estrogen is essential for bone health, and its decline during menopause can lead to bone loss and an increased risk of osteoporosis.

Multiple choice

Which hormone is responsible for regulating blood sugar levels?

  1. Thyroid hormone

  2. Epinephrine

  3. Insulin

  4. Glucagon
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Insulin is a hormone produced by the pancreas that helps control blood sugar levels by promoting the uptake of glucose from the blood into cells.

Multiple choice

Which hormone is responsible for regulating growth and development?

  1. Epinephrine

  2. Insulin

  3. Thyroid hormone

  4. Glucagon
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Thyroid hormone plays a crucial role in regulating growth and development, as well as metabolism and energy expenditure.

Multiple choice

Which hormone is primarily responsible for regulating the sleep-wake cycle?

  1. Melatonin

  2. Serotonin

  3. Dopamine

  4. Noradrenaline
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Melatonin is a hormone produced by the pineal gland in response to darkness. It plays a crucial role in regulating the sleep-wake cycle and promoting sleep.

Multiple choice

What is the name of the protein produced by prostate cancer cells that can be detected in the blood?

  1. Prostate-specific antigen (PSA)

  2. Alpha-fetoprotein (AFP)

  3. Human chorionic gonadotropin (HCG)

  4. Carcinoembryonic antigen (CEA)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Prostate-specific antigen (PSA) is a protein produced by prostate cancer cells that can be detected in the blood.

Multiple choice

Which hormone is primarily responsible for promoting bonding between mothers and their infants?

  1. Estrogen

  2. Progesterone

  3. Oxytocin

  4. Testosterone
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Oxytocin, often referred to as the 'love hormone,' is primarily responsible for promoting bonding between mothers and their infants. It plays a crucial role in facilitating maternal caregiving behaviors and emotional attachment.

Multiple choice

Which hormone is responsible for regulating blood sugar levels in the body?

  1. Insulin

  2. Glucagon

  3. Epinephrine

  4. Thyroxine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Insulin is a hormone produced by the pancreas that helps regulate blood sugar levels by promoting the uptake of glucose into cells.

Multiple choice

Which hormone plays a crucial role in regulating calcium and phosphate metabolism, affecting bone health?

  1. Estrogen

  2. Testosterone

  3. Parathyroid hormone (PTH)

  4. Insulin
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Parathyroid hormone (PTH) regulates calcium and phosphate metabolism, influencing bone health by promoting bone resorption and maintaining calcium levels.

Multiple choice

Which hormone is primarily responsible for regulating blood sugar levels?

  1. Epinephrine

  2. Insulin

  3. Glucagon

  4. Thyroxine
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Insulin is a hormone produced by the pancreas that helps regulate blood sugar levels by promoting the uptake of glucose from the blood into cells.

Multiple choice

Which hormone is responsible for stimulating the release of stress hormones?

  1. Epinephrine

  2. Insulin

  3. Glucagon

  4. Thyroxine
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Epinephrine, also known as adrenaline, is a hormone produced by the adrenal glands that is involved in the body's response to stress.

Multiple choice

Which hormone is responsible for regulating calcium and phosphate levels in the blood?

  1. Epinephrine

  2. Insulin

  3. Glucagon

  4. Parathyroid hormone
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Parathyroid hormone is produced by the parathyroid glands and helps regulate calcium and phosphate levels in the blood.

Multiple choice

Which hormone is responsible for stimulating the production of red blood cells?

  1. Epinephrine

  2. Insulin

  3. Glucagon

  4. Erythropoietin
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Erythropoietin is a hormone produced by the kidneys that stimulates the production of red blood cells in the bone marrow.

Multiple choice

Which hormone is responsible for stimulating the release of growth hormone?

  1. Epinephrine

  2. Insulin

  3. Glucagon

  4. Growth hormone-releasing hormone
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Growth hormone-releasing hormone is a hormone produced by the hypothalamus that stimulates the release of growth hormone from the pituitary gland.

Multiple choice

Which hormone is responsible for regulating the menstrual cycle and fertility?

  1. Epinephrine

  2. Insulin

  3. Glucagon

  4. Estrogen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Estrogen is a hormone produced by the ovaries that is involved in regulating the menstrual cycle and fertility.