NU 110 | Questions with 100% Verified Answers | Latest Update 2026/2027

NU 110 | Questions with 100% Verified Answers | Latest Update
2026/2027

Question: What is the main function of the endocrine system?

Answer:
regulates body functions and maintains homeostasis using hormones released into the
bloodstream

Question: What type of feedback regulates the endocrine system?

Answer:
Negative feedback loop

Question: What links the nervous and endocrine systems?

Answer:
Hypothalamus

Question: How does the hypothalamus control the anterior pituitary?

Answer:
By releasing releasing hormones

Question: What hormone does the pineal gland secrete?

Answer:
Melatonin

Question: Function of melatonin

Answer:
regulates sleep-wake cycle

Question: What does FSH do?

Answer:
stimulates development of ova and sperm

Question: What does LH do?

Answer:
Triggers ovulation and testosterone production

, Question: What does TSH do?

Answer:
Stimulates the thyroid to produce T3 and T4

Question: What does GH do?

Answer:
stimulates growth and cell reproduction

Question: What does ADH do?

Answer:
promotes water reabsorption by kidneys and decreases urine output

Question: What does oxytocin do?

Answer:
Causes uterine contractions and milk let down

Question: What does the thyroid produce?

Answer:
T3, T4, and calcitonin

Question: Function of T3 and T4

Answer:
regulate metabolism, growth, and development

Question: Function of calcitonin?

Answer:
lowers blood calcium by promoting bone storage

Question: What does PTH do?

Answer:
Raises blood calcium levels

Question: What does the adrenal cortex secrete?

Answer:
Aldosterone, cortisol, and androgens (AAC)