Chapter 16 The Endocrine System Exam
Using Figure 16.1, match the following:
1) Produces the hormones that promote the development of the female secondary sexual
characteristics at puberty.
2) Storehouse for the hormones produced by the hypothalamus of the brain.
3) Produces the hormones that direct the production of the secondary male sex characteristics.
4) Produce steroid hormones and glucocorticoids and mineralocorticoids.
5) Produces hormones and is considered a neuroendocrine organ.
1. Answer: D
2. Answer: B
3. Answer: E
4. Answer: C
5. Answer: A
Using Figure 16.2, match the following hypothalamic hormones with the pituitary hormone targets:
6) Growth hormone-releasing hormone (GHRH).
7) Gonadotropin-releasing hormone (GnRH).
8) Prolactin-releasing hormone (PRH).
9) Corticotropin-releasing hormone (CRH).
10) Thyrotropin-releasing hormone (TRH).
6. Answer: A
7. Answer: C
8. Answer: B
9. Answer: E
10. Answer: D
Match the following:
A) Pituitary dwarfism
B) Diabetes mellitus
C) Addisonʹs disease
D) Gravesʹ disease
11) An autoimmune problem
involving the thyroid gland.
12) Hyposecretion of growth
13) Hyposecretion of the
14) Hyposecretion of the adrenal
15) Hypersecretion of growth
Match the following:
C) Cushingʹs disease
16) Hyposecretion of the thyroid
17) Hypersecretion of the adrenal
18) Hypersecretion of growth
19) Hyposecretion of the thyroid
Match the following:
B) Adrenal medulla
20) The size and shape of a pea;
produces hormones that
stimulate other endocrine
21) The gland that controls the
22) Produces hormones that
regulate glucose levels in the
23) Produces a hormone that
controls blood levels of
calcium and potassium by
their removal from bone
24) Produces the bodyʹs major
1) In humans, melatonin may inhibit sexual maturation.
2) The antagonistic hormones that regulate the blood calcium level are calcitonin-parathormone.
3) The hormone that raises blood sugar levels is insulin.
4) The endocrine structure that develops from the nervous system is the anterior pituitary.
5) Both ʺturn onʺ factors (hormonal, humoral, and neural stimuli) and ʺturn offʺ factors (feedback
inhibition and others) may be modulated by the activity of the nervous system.
6) ACTH stimulates the adrenal cortex to release corticosteroid hormones.
7) LH is also referred to as a gonadotropin.
8) The only known effect of prolactin in humans is to produce impotence in males.
9) Oxytocin is a strong stimulant of uterine contractions.
10) Follicle cells of the thyroid gland produce thyroglobulin, while follicle cells of the parathyroid
11) The thyroid gland is embedded in the parathyroid tissue.
12) The prime metabolic effect of cortisol is gluconeogenesis.
13) The beta cells are the pancreatic islet cells that produce insulin.
14) Most Type II diabetics do not produce insulin.
15) Peptide hormones enter the target cells and elicit a response by mediating neurotransmitter
16) Calcitonin is a peptide hormone that has destructive effects on the skeletal system.
17) Aldosterone is the most potent mineralocorticoid produced in the adrenals but the least
18) Atrial natriuretic peptide is a hormone that controls blood pressure in part by increasing the
urinary excretion of sodium.
19) While glucagon is a small polypeptide, it is nevertheless very potent in its regulatory effects.
20) The thyroid gland is a large gland that controls metabolic functions throughout the life of an
21) Many hormones synthesized in the gastrointestinal tract are chemically identical to brain
22) All of the following hormones are secreted by the adenohypophysis: ACTH, FSH, and LH.
23) Iodine is an essential element required for the synthesis of thyroxine.
24) The endocrine gland that is probably malfunctioning if a person has a high metabolic rate is
25) Growth hormone always exerts its influence by targeting other endocrine glands to produce
26) Diabetes insipidus and diabetes mellitus are both caused by a genetic mutation involving the
synthesis of insulin.
27) The stimulus for calcitonin release is usually excessive amounts of growth hormone synthesis
28) Glucocorticoids are steroid hormones that usually enhance the immune responses when an
individual is suffering from severe stress.
29) Direct gene activation involves a second-messenger system.
30) All peptide hormone synthesis requires gene activation that produces mRNA.
31) All adenohypophyseal hormones except GH affect their target cells via a cyclic AMP
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