Which hormone works with estrogen to bring about the menstrual cycle:

Which hormone works with estrogen to bring about the menstrual cycle:

A) human chorionic gonadotropin
B) progesterone
C) testosterone
D) prolactin
E) oxytocin

Answer: B

The secondary sex characteristics brought about by testosterone secretion do NOT include:

The secondary sex characteristics brought about by testosterone secretion do NOT include:

A) growth of facial hair
B) development of heavy bones
C) development of breasts
D) lowering the voice
E) development of heavy muscles

Answer: C

The cells in the testes that produce testosterone are called:

The cells in the testes that produce testosterone are called:

A) interstitial cells
B) alpha cells
C) beta cells
D) pancreatic islet cells
E) gonadotropic cells

Answer: A

Which one of the following hormones is NOT produced by the anterior lobe of the pituitary gland:

Which one of the following hormones is NOT produced by the anterior lobe of the pituitary gland:

A) growth hormone
B) prolactin
C) oxytocin
D) luteinizing hormone
E) thyroid-stimulating hormone

Answer: C

Which of these hormones does NOT play a role in reproduction:

Which of these hormones does NOT play a role in reproduction:

A) antidiuretic hormone
B) follicle-stimulating hormone
C) luteinizing hormone
D) testosterone
E) estrogen

Answer: A

Estrogens do all of the following EXCEPT:

Estrogens do all of the following EXCEPT:

A) stimulate the development of secondary sex characteristics in females
B) stimulate growth of facial hair
C) stimulate menstruation
D) help maintain pregnancy
E) prepare the uterus to receive a fertilized egg

Answer: B

The hormone responsible for the maturation of white blood cells known as T lymphocytes is:

The hormone responsible for the maturation of white blood cells known as T lymphocytes is:

A) thymosin
B) melatonin
C) aldosterone
D) progesterone
E) thyroxine

Answer: A

The hormone that appears to help regulate our sleep-awake cycles is:

The hormone that appears to help regulate our sleep-awake cycles is:

A) thymosin
B) melatonin
C) progesterone
D) glucagon
E) thyroxine

Answer: B

The pineal gland produces

The pineal gland produces

A) thymosin
B) melatonin
C) estrogen
D) insulin
E) cortisol

Answer: B

Which one of the following is NOT a sign of diabetes mellitus:

Which one of the following is NOT a sign of diabetes mellitus:

A) polyuria
B) polydipsia
C) moon face
D) polyphagia
E) acidosis

Answer: C

Insulin causes:

Insulin causes:

A) a decrease in the concentration of blood glucose
B) an increase in the concentration of blood glucose
C) an increase in blood pressure
D) an increase in the production of glucagon
E) a decrease in blood pressure

Answer: A

Insulin works as an antagonist to:

Insulin works as an antagonist to:

A) testosterone
B) oxytocin
C) thyroid hormone
D) glucagon
E) thymosin

Answer: D

Insulin is produced by cells of the pancreatic islets called:

Insulin is produced by cells of the pancreatic islets called:

A) alpha cells
B) beta cells
C) delta cells
D) gamma cells
E) theta cells

Answer: B

Which one of the following is NOT an action of the catecholamines:

Which one of the following is NOT an action of the catecholamines:

A) stimulation of the sympathetic nervous system
B) dilation of the small passages of the lungs
C) increased heart rate
D) decreased blood pressure
E) increased blood glucose levels

Answer: D

The "fight-or-flight" response triggers the release of:

The "fight-or-flight" response triggers the release of:

A) ADH
B) prolactin
C) growth hormone
D) epinephrine
E) melatonin

Answer: D

Which one of the following is NOT a symptom of Cushing's syndrome:

Which one of the following is NOT a symptom of Cushing's syndrome:

A) moon face
B) bronze skin tones
C) buffalo hump
D) high blood pressure
E) water retention

Answer: B

Glucocorticoids do all of the following EXCEPT:

Glucocorticoids do all of the following EXCEPT:

A) help resist long-term stress
B) increase blood glucose levels
C) decrease edema
D) suppress inflammation
E) regulate salt content of the blood

Answer: E

The enzyme produced by the kidneys when blood pressure drops, stimulating a release of aldosterone, is called:

The enzyme produced by the kidneys when blood pressure drops, stimulating a release of aldosterone, is called:

A) cortisone
B) renin
C) cortisol
D) vasopressin
E) angiotensin

Answer: B

Tetany resulting from uncontrolled muscle spasms may indicate a malfunction of the:

Tetany resulting from uncontrolled muscle spasms may indicate a malfunction of the:

A) pineal gland
B) thymus
C) parathyroid glands
D) adrenal cortex
E) posterior pituitary

Answer: C

Rising blood levels of aldosterone cause the kidney tubules to:

Rising blood levels of aldosterone cause the kidney tubules to:

A) reabsorb potassium
B) reabsorb sodium
C) reabsorb calcium
D) reabsorb iodine
E) reabsorb hydrogen

Answer: B