BIOL251: Human Anatomy & Physiology I w/Lab 2026 - 2027
Portage Learning
Module 9: The Endocrine System
Exam Review | 70+ questions | LockDown Browser
** BONUS Study Guide 5 Pages **
By PortageMaster, Stuvia
✅ Correct answers
Question 1
Which of the following hormones doesn’t belong with the others?
● Insulin-Like Growth Factor (IGF-1)
● ✅ Aldosterone
● Growth Hormone-Releasing Hormone (GHRH)
● Growth Hormone (GH)
,Question 2
Which hormone inhibits the release of growth hormone, TSH, and prolactin?
● ✅ Somatostatin
● Oxytocin
● Growth Hormone-Releasing Hormone (GHRH)
● Dopamine
Question 3
Whichofthe following hormones is not released by the pituitary gland?
● Prolactin
● Growth Hormone (GH)
● ✅ Thyrotropin-Releasing Hormone (TRH)
● Luteinizing hormone
Question 4
Which hormone has a function in both male and female reproductive systems by influencing testosterone
production and ovulation, respectively?
● Thyroid-Stimulating Hormone (TSH)
● Growth Hormone (GH)
● ✅ Luteinizing Hormone (LH)
● Prolactin
, Question 5
True or False: The pituitary gland responds to signals from the hypothalamus by secreting tropic hormones,
such as TSH, ACTH, FSH, and LH.
● ✅ True
● False
Question 6
Whatisthe primary role of T3 and T4 in the body?
● Maintaining electrolyte balance
● Reducing blood sugar levels
● ✅ Regulating metabolism, growth, development, and body temperature
● Stimulating milk production
Question 7
If a patient has secondary hypothyroidism due to a pituitary dysfunction, what would be the expected levels of
TRH, TSH, T3, and T4?
● TRH: Increased, TSH: Increased, T3: Decreased, T4: Decreased
● ✅ TRH: Increased, TSH: Decreased, T3: Decreased, T4: Decreased
● TRH: Decreased, TSH: Increased, T3: Increased, T4: Increased
● TRH: Decreased, TSH: Decreased, T3: Increased, T4: Decreased
Portage Learning
Module 9: The Endocrine System
Exam Review | 70+ questions | LockDown Browser
** BONUS Study Guide 5 Pages **
By PortageMaster, Stuvia
✅ Correct answers
Question 1
Which of the following hormones doesn’t belong with the others?
● Insulin-Like Growth Factor (IGF-1)
● ✅ Aldosterone
● Growth Hormone-Releasing Hormone (GHRH)
● Growth Hormone (GH)
,Question 2
Which hormone inhibits the release of growth hormone, TSH, and prolactin?
● ✅ Somatostatin
● Oxytocin
● Growth Hormone-Releasing Hormone (GHRH)
● Dopamine
Question 3
Whichofthe following hormones is not released by the pituitary gland?
● Prolactin
● Growth Hormone (GH)
● ✅ Thyrotropin-Releasing Hormone (TRH)
● Luteinizing hormone
Question 4
Which hormone has a function in both male and female reproductive systems by influencing testosterone
production and ovulation, respectively?
● Thyroid-Stimulating Hormone (TSH)
● Growth Hormone (GH)
● ✅ Luteinizing Hormone (LH)
● Prolactin
, Question 5
True or False: The pituitary gland responds to signals from the hypothalamus by secreting tropic hormones,
such as TSH, ACTH, FSH, and LH.
● ✅ True
● False
Question 6
Whatisthe primary role of T3 and T4 in the body?
● Maintaining electrolyte balance
● Reducing blood sugar levels
● ✅ Regulating metabolism, growth, development, and body temperature
● Stimulating milk production
Question 7
If a patient has secondary hypothyroidism due to a pituitary dysfunction, what would be the expected levels of
TRH, TSH, T3, and T4?
● TRH: Increased, TSH: Increased, T3: Decreased, T4: Decreased
● ✅ TRH: Increased, TSH: Decreased, T3: Decreased, T4: Decreased
● TRH: Decreased, TSH: Increased, T3: Increased, T4: Increased
● TRH: Decreased, TSH: Decreased, T3: Increased, T4: Decreased
