Q: Which equation best represents the effect of aldosterone on sodium and potassium balance in the kidneys?

$$\text{Na}^{+}_{\text{reabsorbed}} \uparrow,\ \text{K}^{+}_{\text{excreted}} \uparrow$$

Q: Which equation best represents the effect of cortisol on blood glucose levels?

$$\text{Blood Glucose}_{\text{cortisol}} = \text{Blood Glucose}_{\text{baseline}} + \Delta \text{Glucose}$$

Question 1

Which layer of the adrenal cortex is primarily responsible for the synthesis of mineralocorticoids such as aldosterone?

Accepted Answer

Zona glomerulosa

Question 2

A patient presents with high blood pressure and low potassium levels. Which hormone is most likely being overproduced?

Accepted Answer

Aldosterone

Question 3

Which of the following is a function of cortisol?

Accepted Answer

Suppresses the immune system and increases blood glucose

Question 4

A tumor causing excess ACTH secretion can lead to which syndrome characterized by muscle and fat breakdown, high blood glucose, and increased risk of infection?

Accepted Answer

Cushing's syndrome

Question 5

Which hormone is secreted by the zona reticularis of the adrenal cortex?

Accepted Answer

Androgens

Question 6

Hypersecretion of adrenal androgens in females can result in which of the following symptoms?

Accepted Answer

Masculinization, such as beard growth and deepening of the voice

Question 7

Which of the following best describes the role of the adrenal medulla?

Accepted Answer

Releases epinephrine and norepinephrine in response to sympathetic stimulation

Question 8

A patient with autoimmune destruction of the adrenal cortex is most likely to present with which symptoms?

Accepted Answer

Hypoglycemia, weight loss, and fatigue

Question 9

Which hormone is essential for the maturation of male reproductive organs and the development of secondary sex characteristics?

Accepted Answer

Testosterone

Question 10

Which of the following hormones is responsible for cyclic changes in the uterine mucosa during the menstrual cycle?

Accepted Answer

Progesterone

Question 11

Which equation best represents the effect of aldosterone on sodium and potassium balance in the kidneys?

Accepted Answer

$$	ext{Na}^{+}_{	ext{reabsorbed}} \uparrow,\ 	ext{K}^{+}_{	ext{excreted}} \uparrow$$

Question 12

Which hormone is released in greater amounts during stress and increases blood glucose without raising metabolic rate?

Accepted Answer

Cortisol

Question 13

Which of the following is NOT a direct effect of epinephrine released from the adrenal medulla?

Accepted Answer

Decreased heart rate

Question 14

A patient with Cushing's syndrome may present with which of the following laboratory findings?

Accepted Answer

High blood glucose and high cortisol

Question 15

Which hormone is primarily responsible for the development of female secondary sexual characteristics such as breast enlargement and hip widening?

Accepted Answer

Estrogen

Question 16

Which of the following best explains why adrenal medullary hormones are not essential for life?

Accepted Answer

The body can maintain homeostasis through other mechanisms even without adrenal medullary hormones

Question 17

Which hormone is most likely to be used in hormone replacement therapy for women after menopause?

Accepted Answer

Estrogen

Question 18

Which of the following best describes the function of progesterone in the female reproductive system?

Accepted Answer

Regulates cyclic changes in the uterine mucosa and supports pregnancy

Question 19

Which equation best represents the effect of cortisol on blood glucose levels?

Accepted Answer

$$	ext{Blood Glucose}_{	ext{cortisol}} = 	ext{Blood Glucose}_{	ext{baseline}} + \Delta 	ext{Glucose}$$

Question 20

Which hormone is necessary for normal sperm production in males?

Accepted Answer

Testosterone

Lecture #18

Guida di studio - Domande di pratica

Study guide - Flashcard