Biology

Endocrine and Exocrine Glands

690 Questions

The endocrine and exocrine glands topic explores the human body's essential secreting structures, including the pituitary, thyroid, and salivary glands. Questions often focus on gland locations, their specific secretions, and crucial physiological functions. This subject is a core component of the general science syllabus across many highly competitive examinations.

Master endocrine glandsPituitary gland locationSalivary gland functionsThyroid and ductless glandsApocrine sweat glands

Endocrine and Exocrine Glands Questions

Multiple choice

Which of the following is a type of endocrine surgery that is performed on patients with pheochromocytoma?

  1. Thyroidectomy

  2. Parathyroidectomy

  3. Adrenalectomy

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

Adrenalectomy is a type of endocrine surgery that is performed on patients with pheochromocytoma. It is used to remove the adrenal glands, which produce the hormones epinephrine and norepinephrine.

Multiple choice

Which type of respiratory cancer is associated with the thymus gland?

  1. Lung Cancer

  2. Mesothelioma

  3. Thymoma

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

Thymoma is a type of respiratory cancer that originates in the thymus gland.

Multiple choice

What is the primary source of testosterone production in men?

  1. Testes

  2. Adrenal glands

  3. Pituitary gland

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

The testes, also known as testicles, are the primary source of testosterone production in men.

Multiple choice

Which of the following is not a type of endocrine gland?

  1. Pituitary gland

  2. Thyroid gland

  3. Adrenal gland

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

The pancreas is an exocrine gland that produces digestive enzymes and hormones. It is not an endocrine gland.

Multiple choice

How many parathyroid glands are typically present in humans?

  1. 1

  2. 2

  3. 4

  4. 6
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Humans typically have four parathyroid glands, located behind the thyroid gland in the neck.

Multiple choice

Which of the following statements about the parathyroid glands is FALSE?

  1. They are located in the neck, behind the thyroid gland.

  2. They produce parathyroid hormone (PTH).

  3. They regulate calcium and phosphate levels in the body.

  4. They are controlled by the pituitary gland.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The parathyroid glands are not controlled by the pituitary gland. They function independently to regulate calcium and phosphate metabolism.

Multiple choice

Which gland is responsible for regulating growth and development?

  1. Pituitary gland

  2. Thyroid gland

  3. Adrenal gland

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

The pituitary gland is often referred to as the master gland because it controls the function of other endocrine glands.

Multiple choice

What is the role of the thymus gland in the endocrine system?

  1. Producing insulin

  2. Producing thyroid hormones

  3. Producing T-cells

  4. Producing growth hormone
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The thymus gland produces T-cells, which are essential for the immune system.

Multiple choice

Which of the following is NOT a type of sweat gland?

  1. Eccrine glands

  2. Apocrine glands

  3. Sebaceous glands

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

Sebaceous glands are not sweat glands but rather oil glands that secrete sebum, a waxy substance that helps to lubricate the skin and hair.

Multiple choice

Which gland is responsible for producing thyroid hormones?

  1. Pituitary Gland

  2. Thyroid Gland

  3. Adrenal Gland

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

The thyroid gland, located in the neck, produces thyroid hormones that regulate metabolism, growth, and development.

Multiple choice

Which gland is responsible for producing hormones that regulate growth and development?

  1. Pituitary Gland

  2. Thyroid Gland

  3. Adrenal Gland

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

The pituitary gland, located at the base of the brain, produces hormones that regulate growth, development, and various bodily functions.

Multiple choice

The adrenal glands are located on top of which organs?

  1. Kidneys

  2. Liver

  3. Pancreas

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

The adrenal glands are located on top of the kidneys.

Multiple choice

Which layer of the adrenal gland produces cortisol?

  1. Zona glomerulosa

  2. Zona fasciculata

  3. Zona reticularis

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

The zona fasciculata of the adrenal gland produces cortisol.

Multiple choice

Which layer of the adrenal gland produces aldosterone?

  1. Zona glomerulosa

  2. Zona fasciculata

  3. Zona reticularis

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

The zona glomerulosa of the adrenal gland produces aldosterone.

Multiple choice

What is the name of the tumor that arises from the chromaffin cells of the adrenal medulla?

  1. Cushing's syndrome

  2. Addison's disease

  3. Pheochromocytoma

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

Pheochromocytoma is a tumor that arises from the chromaffin cells of the adrenal medulla.