Make the
,NU 155 Exam 2 – Medical-Surgical Nursing I
(2026) | Galen College of Nursing | Actual
Exam Questions & Verified Answers with
Detailed Rationales | Latest Study Guide |
A+ Graded
Q1. What gland is known as the "master gland"?
A) Thyroid gland
B) Pituitary gland
C) Adrenal gland
D) Hypothalamus
Correct Answer: B) Pituitary gland
Rationale: The pituitary gland is known as the "master
gland" because it regulates the function of other
endocrine glands through the hormones it produces and
releases. It controls the thyroid, adrenal, and
reproductive glands .
,Q2. As a person ages, what happens to the pituitary
gland?
A) It increases in size and activity
B) It decreases in size, causing metabolism to slow down
and hormone secretion to change
C) It remains unchanged throughout life
D) It doubles in size
Correct Answer: B) It decreases in size, causing
metabolism to slow down and hormone secretion to
change
Rationale: With aging, the pituitary gland decreases in
size, leading to a slower metabolism and changes in
hormone secretion. This contributes to age-related
changes in body function .
Q3. What hormones are directly related to thyroid
function?
A) ACTH and ADH
B) TRH, TSH, T3, and T4
, C) Insulin and glucagon
D) Cortisol and aldosterone
Correct Answer: B) TRH, TSH, T3, and T4
Rationale: Thyroid function involves a cascade: TRH
(thyrotropin-releasing hormone) from the hypothalamus
stimulates the anterior pituitary to release TSH (thyroid-
stimulating hormone), which then stimulates the thyroid
gland to produce T3 and T4 .
Q4. What releases TRH (thyrotropin-releasing hormone)?
A) Anterior pituitary
B) Posterior pituitary
C) Hypothalamus
D) Thyroid gland
Correct Answer: C) Hypothalamus
Rationale: The hypothalamus releases TRH, which travels
to the anterior pituitary to stimulate the release of TSH.
,NU 155 Exam 2 – Medical-Surgical Nursing I
(2026) | Galen College of Nursing | Actual
Exam Questions & Verified Answers with
Detailed Rationales | Latest Study Guide |
A+ Graded
Q1. What gland is known as the "master gland"?
A) Thyroid gland
B) Pituitary gland
C) Adrenal gland
D) Hypothalamus
Correct Answer: B) Pituitary gland
Rationale: The pituitary gland is known as the "master
gland" because it regulates the function of other
endocrine glands through the hormones it produces and
releases. It controls the thyroid, adrenal, and
reproductive glands .
,Q2. As a person ages, what happens to the pituitary
gland?
A) It increases in size and activity
B) It decreases in size, causing metabolism to slow down
and hormone secretion to change
C) It remains unchanged throughout life
D) It doubles in size
Correct Answer: B) It decreases in size, causing
metabolism to slow down and hormone secretion to
change
Rationale: With aging, the pituitary gland decreases in
size, leading to a slower metabolism and changes in
hormone secretion. This contributes to age-related
changes in body function .
Q3. What hormones are directly related to thyroid
function?
A) ACTH and ADH
B) TRH, TSH, T3, and T4
, C) Insulin and glucagon
D) Cortisol and aldosterone
Correct Answer: B) TRH, TSH, T3, and T4
Rationale: Thyroid function involves a cascade: TRH
(thyrotropin-releasing hormone) from the hypothalamus
stimulates the anterior pituitary to release TSH (thyroid-
stimulating hormone), which then stimulates the thyroid
gland to produce T3 and T4 .
Q4. What releases TRH (thyrotropin-releasing hormone)?
A) Anterior pituitary
B) Posterior pituitary
C) Hypothalamus
D) Thyroid gland
Correct Answer: C) Hypothalamus
Rationale: The hypothalamus releases TRH, which travels
to the anterior pituitary to stimulate the release of TSH.
