FSH production in males supports:
(a) The maturation of sperm by stimulating nurse cells
(b) The development of muscles and strength
(c) The production of male sex hormones
(d) An increased desire for sexual activity

Adrenocorticotropic hormone (ACTH) stimulates the release of:

(a) Thyroid hormones by the hypothalamus

(b) Gonadotropins by the adrenal glands

(c) Growth hormones by the hypothalamus

(d) Steroid hormones by the adrenal glands

All of the following are true of the endocrine system, except that it:

(a) Releases chemicals into the bloodstream for distribution throughout the body

(b) Releases hormones that simultaneously alter the metabolic activities of many different tissues and organs

(c) Produces effects that can last for hours, days, and even longer

(d) Produces rapid, local, brief-duration responses to specific stimuli

(e) Functions to control ongoing metabolic processes.

The use of a chemical messenger to transfer information from cell to cell within a single tissue is referred to as _____ communication.

(a) Direct

(b) Paracrine

(c) Hormonal

(d) Endocrine

Identify the endocrine glands and tissues in the following diagram.

a. ___

b. ___

c. ___

d. ___

e. ___

f. ___

g. ___

h. ___

i. ___

j. ___

k. ___

l. ___

m. ___

A cell's hormonal sensitivities are determined by the:

(a) Chemical nature of the hormone

(b) Quantity of circulating hormone

(c) Shape of the hormone molecules

(d) Presence or absence of appropriate receptors

(e) Thickness of its plasma membrane

Cyclic AMP functions as a second messenger to:

(a) Build proteins and catalyze specific reactions

(b) Activate adenylate cyclase

(c) Open ion channels and activate key enzymes in the cytoplasm

(d) Bind the hormone–receptor complex to DNA segments