Question 1

Which of the following best describes the role of the hypothalamus in the endocrine system?

Accepted Answer

It produces regulatory hormones that control the anterior pituitary gland.

Question 2

A patient is experiencing excessive water loss through urine. Which hormone is most likely deficient, and where is it produced?

Accepted Answer

Antidiuretic hormone (ADH), produced by the posterior pituitary gland

Question 3

Which pathway best describes how the hypothalamus communicates with the anterior pituitary gland?

Accepted Answer

Via the hypophyseal portal system using releasing and inhibiting hormones

Question 4

A researcher blocks the hypophyseal portal system in an animal model. Which of the following is the most likely immediate effect?

Accepted Answer

Decreased release of anterior pituitary hormones

Question 5

Which hormone is released in response to gonadotropin-releasing hormone (GnRH) from the hypothalamus?

Accepted Answer

Follicle stimulating hormone (FSH)

Question 6

A patient with a tumor in the anterior pituitary gland is found to have elevated levels of insulin-like growth factors (IGFs). Which hormone is most likely being overproduced?

Accepted Answer

Growth hormone

Question 7

Which of the following best explains why the posterior pituitary gland is considered a neuroendocrine structure?

Accepted Answer

It releases hormones produced by neurons in the hypothalamus directly into the bloodstream.

Question 8

Which hormone is responsible for stimulating the thyroid gland to produce thyroid hormones, and where is it produced?

Accepted Answer

Thyroid stimulating hormone (TSH), produced by the anterior pituitary gland

Question 9

A patient is unable to lactate after childbirth. Which hormone deficiency is most likely responsible?

Accepted Answer

Prolactin

Question 10

Which of the following best describes the effect of antidiuretic hormone (ADH) on blood pressure?

Accepted Answer

ADH increases blood pressure by promoting water reabsorption and vasoconstriction.

Question 11

Which of the following scenarios best illustrates the concept of hormone pulses from the hypothalamus?

Accepted Answer

GnRH is released in bursts, leading to periodic secretion of FSH and LH.

Question 12

A patient presents with symptoms of adrenal insufficiency. Which anterior pituitary hormone is most likely deficient?

Accepted Answer

ACTH

Question 13

Which of the following is a correct sequence of hormone signaling from the hypothalamus to a target organ?

Accepted Answer

Hypothalamus releases TRH $$\rightarrow$$ anterior pituitary releases TSH $$\rightarrow$$ thyroid gland releases thyroid hormones

Question 14

Which hormone is released from the posterior pituitary gland and is involved in uterine contractions during childbirth?

Accepted Answer

Oxytocin

Question 15

A patient has high levels of FSH and LH but low levels of sex hormones. Which gland is most likely malfunctioning?

Accepted Answer

Gonads

Question 16

Which of the following best describes the function of the infundibulum?

Accepted Answer

It connects the hypothalamus to the pituitary gland, allowing for hormonal and neural communication.

Question 17

Which hormone is most directly responsible for stimulating milk ejection (let-down reflex) during breastfeeding?

Accepted Answer

Oxytocin

Question 18

A patient with a damaged posterior pituitary gland would most likely have difficulty with which of the following?

Accepted Answer

Regulating water balance and initiating uterine contractions

Question 19

Which of the following is NOT a hormone produced by the anterior pituitary gland?

Accepted Answer

Oxytocin

Question 20

Which of the following best explains why the hypothalamus is considered the 'master control' of the endocrine system?

Accepted Answer

It integrates neural and endocrine signals to regulate hormone release throughout the body.

The Endocrine System: Master Control Glands (Hypothalamus & Pituitary)

스터디 가이드 - 연습 문제

학습 가이드 - 플래시카드