Endocrine System Nursing 100
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1. Which gland is known as the “master gland” of the endocrine
system?
A. Thyroid gland
B. Adrenal gland
C. Pituitary gland
D. Pineal gland
Answer: C. Pituitary gland
Rationale: The pituitary gland is often called the “master gland”
because it regulates many other endocrine glands through hormone
secretion. It plays a major role in growth, metabolism, reproduction,
and fluid balance.
2. Which hormone is responsible for lowering blood glucose
levels?
A. Glucagon
B. Cortisol
,C. Insulin
D. Epinephrine
Answer: C. Insulin
Rationale: Insulin is produced by the beta cells of the pancreas and
lowers blood glucose by promoting glucose uptake into cells and
storage in the liver and muscles.
3. A nurse is caring for a client with diabetes mellitus. Which
symptom is commonly associated with hyperglycemia?
A. Diaphoresis
B. Polyuria
C. Tremors
D. Bradycardia
Answer: B. Polyuria
Rationale: Hyperglycemia causes osmotic diuresis, leading to
excessive urination or polyuria. Other common symptoms include
polydipsia, polyphagia, and blurred vision.
4. Which assessment finding is most consistent with
hypothyroidism?
A. Weight loss
B. Tachycardia
C. Cold intolerance
D. Increased energy
Answer: C. Cold intolerance
Rationale: Hypothyroidism slows metabolism, causing cold
intolerance, fatigue, weight gain, dry skin, and bradycardia.
, 5. Which electrolyte imbalance is commonly seen in Addison’s
disease?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hypercalcemia
Answer: C. Hyperkalemia
Rationale: Addison’s disease involves decreased aldosterone
production, causing sodium loss and potassium retention, which leads
to hyperkalemia.
6. A client with diabetes reports shakiness and sweating. Which
action should the nurse take first?
A. Administer insulin
B. Check blood glucose level
C. Restrict oral intake
D. Encourage exercise
Answer: B. Check blood glucose level
Rationale: Shakiness and sweating are symptoms of hypoglycemia.
Blood glucose should be checked immediately to confirm the condition
before intervention.
7. Which hormone is secreted by the adrenal medulla?
A. Aldosterone
B. Cortisol
C. Epinephrine
D. Thyroxine
Answer: C. Epinephrine
Question Practice Exam Merged With
Correct Verified And Well Analyzed
Answers | Already Graded A+ | 2026
Latest Update!!!
1. Which gland is known as the “master gland” of the endocrine
system?
A. Thyroid gland
B. Adrenal gland
C. Pituitary gland
D. Pineal gland
Answer: C. Pituitary gland
Rationale: The pituitary gland is often called the “master gland”
because it regulates many other endocrine glands through hormone
secretion. It plays a major role in growth, metabolism, reproduction,
and fluid balance.
2. Which hormone is responsible for lowering blood glucose
levels?
A. Glucagon
B. Cortisol
,C. Insulin
D. Epinephrine
Answer: C. Insulin
Rationale: Insulin is produced by the beta cells of the pancreas and
lowers blood glucose by promoting glucose uptake into cells and
storage in the liver and muscles.
3. A nurse is caring for a client with diabetes mellitus. Which
symptom is commonly associated with hyperglycemia?
A. Diaphoresis
B. Polyuria
C. Tremors
D. Bradycardia
Answer: B. Polyuria
Rationale: Hyperglycemia causes osmotic diuresis, leading to
excessive urination or polyuria. Other common symptoms include
polydipsia, polyphagia, and blurred vision.
4. Which assessment finding is most consistent with
hypothyroidism?
A. Weight loss
B. Tachycardia
C. Cold intolerance
D. Increased energy
Answer: C. Cold intolerance
Rationale: Hypothyroidism slows metabolism, causing cold
intolerance, fatigue, weight gain, dry skin, and bradycardia.
, 5. Which electrolyte imbalance is commonly seen in Addison’s
disease?
A. Hypernatremia
B. Hypokalemia
C. Hyperkalemia
D. Hypercalcemia
Answer: C. Hyperkalemia
Rationale: Addison’s disease involves decreased aldosterone
production, causing sodium loss and potassium retention, which leads
to hyperkalemia.
6. A client with diabetes reports shakiness and sweating. Which
action should the nurse take first?
A. Administer insulin
B. Check blood glucose level
C. Restrict oral intake
D. Encourage exercise
Answer: B. Check blood glucose level
Rationale: Shakiness and sweating are symptoms of hypoglycemia.
Blood glucose should be checked immediately to confirm the condition
before intervention.
7. Which hormone is secreted by the adrenal medulla?
A. Aldosterone
B. Cortisol
C. Epinephrine
D. Thyroxine
Answer: C. Epinephrine
