Endocrine System Mcqs

 Q: What is the primary function of the thymus gland?

A) Production of insulin

B) Production of red blood cells

C) Maturation of T-lymphocytes (T cells)

D) Production of antibodies

Correct Answer: C) Maturation of T-lymphocytes (T cells)

 

Q: The secretion of parathyroid hormone is regulated by:

A) Thyroid gland

B) Pituitary gland

C) Hypothalamus

D) Calcium levels in the blood

Correct Answer: D) Calcium levels in the blood

 

Q: Which three groups of hormones are produced by the adrenal cortex?

A) Epinephrine, norepinephrine, cortisol

B) Insulin, glucagon, somatostatin

C) Aldosterone, cortisol, androgens

D) Thyroxine, triiodothyronine, calcitonin

Correct Answer: C) Aldosterone, cortisol, androgens

 

Q: ___ and ___ are essential for normal growth and development, especially for the nervous and skeletal systems?

A) Insulin and glucagon

B) Aldosterone and cortisol

C) T3 and T4

D) Insulin and growth hormone

Correct Answer: C) T3 and T4

 

Q: The secretion of TSH (Thyroid Stimulating Hormone) is stimulated by ?

A) High levels of cortisol

B) Low levels of thyroid hormones (T3 and T4)

C) High levels of thyroid hormones (T3 and T4)

D) Thyrotropin-releasing hormone (TRH)

Correct Answer: D) Thyrotropin-releasing hormone (TRH)

 

Q: What does GHRIH stand for?

A) Growth Hormone Releasing Hormone

B) Growth Hormone Response Inhibiting Hormone

C) Growth Hormone Release Inhibiting Hormone

D) Growth Hormone Receptor Interaction Hormone

Correct Answer: C) Growth Hormone Release Inhibiting Hormone

 

Q: When blood potassium levels rise, more ________ hormone is secrete ?

A) Insulin

B) Glucagon

C) Aldosterone

D) Cortisol

Correct Answer: C) Aldosterone

 

Q: Pancreatic islets are formerly known as islets of ?

A) Rokitansky

B) Sertoli

C) Henle

D) Langerhans

Correct Answer: D) Langerhans

 

Q: Which gland is located in the brain and is responsible for secreting melatonin, a hormone involved in regulating sleep-wake cycles?

A) Thyroid gland

B) Pineal gland

C) Pituitary gland

D) Adrenal gland

Correct Answer: B) Pineal gland

 

Q: Which hormonal disorder results from the overproduction of growth hormone by the pituitary gland during adulthood?

A) Addison's disease

B) Cushing's syndrome

C) Acromegaly

D) Hyperthyroidism

Correct Answer: C) Acromegaly

 

Q: What is another name for the anterior pituitary gland?

A) Hypothalamus

B) Posterior pituitary gland

C) Pars nervosa

D) Adenohypophysis

Correct Answer: D) Adenohypophysis

 

Q:Which part of the pituitary gland is directly connected to the hypothalamus by the pituitary stalk?

A) Anterior pituitary gland

B) Posterior pituitary gland

C) Pars intermedia

D) Pars tuberalis

Correct Answer: B) Posterior pituitary gland

 

Q: Which of the following is NOT a gonadotropin hormone?

A) Follicle-stimulating hormone (FSH)

B) Luteinizing hormone (LH)

C) Adrenocorticotropic hormone (ACTH)

D) FSH

Correct Answer: C) Adrenocorticotropic hormone (ACTH)

 

Q: Histamine is synthesized and stored by?

A) Erythrocytes in the blood

B) Neurons in the brain

C) Adipocytes in adipose tissue

D)  Mast cells in tissues and basophils in the blood          

Correct Answer: D)  Mast cells in tissues and basophils in the blood      

 

Q: Which hormone is secreted by the posterior pituitary gland and is responsible for promoting water retention by the kidneys?

A) Thyroid-stimulating hormone (TSH)

B) Antidiuretic hormone (ADH)

C) Growth hormone (GH)

D) Histamine

Correct Answer: B) Antidiuretic hormone (ADH)

 

Q: What is the primary function of the intermediate lobe of the pituitary gland?

A) Regulation of growth and metabolism

B) Production of antidiuretic hormone (ADH)

C) Regulation of reproductive functions

D) Production of melanocyte-stimulating hormone (MSH)

Correct Answer: D) Production of melanocyte-stimulating hormone (MSH)

 

Q: Which hormone, also known as somatotropin, is secreted by the anterior pituitary gland?

A) Thyroid-stimulating hormone (TSH)

B) Adrenocorticotropic hormone (ACTH)

C) Growth hormone (GH)

D) Prolactin hormone (PRL)

Correct Answer: C) Growth hormone (GH)

 

 Q: Which hormone is secreted by the posterior pituitary gland and is involved in uterine contractions during childbirth and milk ejection during breastfeeding?

A) Thyroid-stimulating hormone (TSH)

B) Follicle-stimulating hormone (FSH)

C) Oxytocin                                            

D) Prolactin hormone (PRL)

Correct Answer: C) Oxytocin

 

Q: Which gland is located just above the kidneys and consists of an outer cortex and inner medulla?

A) Thyroid gland

B) Adrenal gland

C) Pancreas

D) Pituitary gland

Correct Answer: B) Adrenal gland