WGU D446 ENDOCRINE SYSTEM ACTUAL
EXAM PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ steroid hormones require a _____ to travel in the blood.
Answer: carrier
◍ steroid hormones are _____ (lipid-soluble/lipid-insoluble).
Answer: lipid-soluble (hydrophobic)
◍ what is the primary function of PTH/the parathyroid gland?.
Answer: increase blood calcium level
◍ what are the three different types of hormones?.
Answer: peptide; steroid; amino-acid derived
◍ what does FSH do for males?.
Answer: sperm maturation(Mnemonic: acronym FSH looks like FiSH and
swimming sperm resemble fish)
◍ what is calcitonin's effect on the kidneys?.
Answer: it decreases Ca2+ reabsorption in these areas
◍ Ovaries.
Answer: gland that produces estrogen & progesterone
◍ delta (δ) cells of islets secrete _____.
Answer: somatostatin (growth hormone inhibiting hormone)
◍ _____ regulates the circadian rhythm.
Answer: melatonin
◍ thyroid stimulating hormone (TSH) is a _____ hormone from _____, which
stimulates the thyroid to produce T3 & T4.
, Answer: tropic; anterior pituitary
◍ steroid hormones _____ (can/cannot) pass directly through the cell
membrane.
Answer: can
◍ a _____ is when a capillary bed is connected to another capillary bed
through a portal vein.
Answer: portal system
◍ ADH/vasopressin is made by the _____ and stored in the _____.
Answer: hypothalamus; posterior pituitary
◍ progesterone.
Answer: pregnancy HORMONE; involved in the menstrual cycle
◍ steroids trigger changes from a _____ level.
Answer: transcriptional
◍ what happens when catecholamines bind alpha receptors?.
Answer: vasoconstriction (move blood away from unimportant organs)
◍ what are the three key islet of Langerhans hormones?.
Answer: insulin, glucagon, and somatostatin(somatostatin =/= somatotropin
(GH))
◍ what are the two lobes of the pituitary gland?.
Answer: anterior and posterior
◍ _____ hormones target and act on other endocrine glands.
Answer: tropic
◍ when is insulin secreted from the beta (β) cells of the islets?.
Answer: when there is a high blood glucose level, typically after eating
◍ Adrenal Glands.
Answer: glands that produce adrenaline
◍ men and women produce a small amount of androgenic steroids in the
_____, which is significant for women, but insignificant for men.
EXAM PAPER 2026 QUESTIONS WITH
ANSWERS GRADED A+
◍ steroid hormones require a _____ to travel in the blood.
Answer: carrier
◍ steroid hormones are _____ (lipid-soluble/lipid-insoluble).
Answer: lipid-soluble (hydrophobic)
◍ what is the primary function of PTH/the parathyroid gland?.
Answer: increase blood calcium level
◍ what are the three different types of hormones?.
Answer: peptide; steroid; amino-acid derived
◍ what does FSH do for males?.
Answer: sperm maturation(Mnemonic: acronym FSH looks like FiSH and
swimming sperm resemble fish)
◍ what is calcitonin's effect on the kidneys?.
Answer: it decreases Ca2+ reabsorption in these areas
◍ Ovaries.
Answer: gland that produces estrogen & progesterone
◍ delta (δ) cells of islets secrete _____.
Answer: somatostatin (growth hormone inhibiting hormone)
◍ _____ regulates the circadian rhythm.
Answer: melatonin
◍ thyroid stimulating hormone (TSH) is a _____ hormone from _____, which
stimulates the thyroid to produce T3 & T4.
, Answer: tropic; anterior pituitary
◍ steroid hormones _____ (can/cannot) pass directly through the cell
membrane.
Answer: can
◍ a _____ is when a capillary bed is connected to another capillary bed
through a portal vein.
Answer: portal system
◍ ADH/vasopressin is made by the _____ and stored in the _____.
Answer: hypothalamus; posterior pituitary
◍ progesterone.
Answer: pregnancy HORMONE; involved in the menstrual cycle
◍ steroids trigger changes from a _____ level.
Answer: transcriptional
◍ what happens when catecholamines bind alpha receptors?.
Answer: vasoconstriction (move blood away from unimportant organs)
◍ what are the three key islet of Langerhans hormones?.
Answer: insulin, glucagon, and somatostatin(somatostatin =/= somatotropin
(GH))
◍ what are the two lobes of the pituitary gland?.
Answer: anterior and posterior
◍ _____ hormones target and act on other endocrine glands.
Answer: tropic
◍ when is insulin secreted from the beta (β) cells of the islets?.
Answer: when there is a high blood glucose level, typically after eating
◍ Adrenal Glands.
Answer: glands that produce adrenaline
◍ men and women produce a small amount of androgenic steroids in the
_____, which is significant for women, but insignificant for men.
