Choose the best answer.

1			Which of these hormones can enter the target cell and bind to receptors in the nucleus?
			A)	luteinizing hormone
			B)	insulin
			C)	testosterone
			D)	growth hormone
2			Neuroendocrine cells are
			A)	neurons that regulate secretion by endocrine glands.
			B)	neurons that release hormones into the blood.
			C)	neurons whose activity is regulated by hormones.
			D)	endocrine cells that respond to neurotransmitters.
3			Noninsulin-dependent diabetes mellitus results when
			A)	glucagon is able to compensate for the deficiency of insulin.
			B)	somatostatin is able to compensate for the deficiency of insulin.
			C)	insulin is secreted but target cells lack receptors for it.
			D)	insulin binds to its target cells but the cAMP second-messenger system fails to work.
4			Which of the following has no effect on blood pressure?
			A)	aldosterone
			B)	atrial natriuretic peptide
			C)	angiotensin II
			D)	erythropoietin
			E)	antidiuretic hormone
5			The adrenal cortex secretes all of the following except
			A)	androgens.
			B)	estrogens.
			C)	aldosterone.
			D)	epinephrine.
			E)	cortisol.
6			Which of the following statements is incorrect?
			A)	Endocrine glands lack ducts.
			B)	The effect of hormones is shorter than the effect of nerve impulses.
			C)	Steroid hormones are carried in the blood by transport proteins.
			D)	Hormones may have widespread, distant effects on the body.
			E)	A common second-messenger is cyclic AMP.
7			What does the hormone produced by the heart do?
			A)	increases sodium excretion in the kidney
			B)	increases potassium excretion in the kidney
			C)	increases sodium absorption in the kidney
			D)	increases the heart rate and force
8			Which of the following is not an effect of thyroid hormones?
			A)	decreased heat production
			B)	increased ATP production
			C)	increased oxygen consumption
			D)	stimulation of protein synthesis
9			Gastrin inhibits gallbladder contraction.
			A)	True
			B)	False
10			Which of the following hormones is not secreted by the liver?
			A)	insulin
			B)	insulin-like growth factors
			C)	angiotensinogen
			D)	precursor for calcitriol
			E)	erythropoietin
11			Adrenocorticotropic hormone (ACTH), Growth hormone, and antidiuretic hormone (ADH) are all produced in the anterior pituitary gland.
			A)	True
			B)	False
12			The target organ of corticotropin-releasing hormone is the adrenal gland.
			A)	True
			B)	False
13			Hypersecretion of cortisol leads to Addison disease.
			A)	True
			B)	False
14			Destruction of the β cells of the pancreas would cause a loss of glucagon secretion.
			A)	True
			B)	False
15			Gonadotropin-releasing hormone is secreted by the anterior pituitary.
			A)	True
			B)	False
16			Which structure develops from an embryonic pouch that grows upward from the ectoderm of the pharynx?
			A)	pineal gland
			B)	adenohypophysis
			C)	neurohypophysis
			D)	thymus gland
17			Somatostatin stimulates the production of red blood cells.
			A)	True
			B)	False
18			Hormone replacement therapy may be used to treat a condition if the cause of the problem is hypersecretion.
			A)	True
			B)	False
19			The effect of glucagon is to lower blood glucose levels.
			A)	True
			B)	False
20			Antidiuretic hormone targets the kidney.
			A)	True
			B)	False
21			Addison disease is a condition due to prolonged thyroid hyposecretion characterized by weight gain, slow metabolism, and tissue swelling.
			A)	True
			B)	False
22			Steroids are lipid hormones synthesized from cholesterol.
			A)	True
			B)	False
23			Oxytocin is the hormone that stimulates milk synthesis in female mammals.
			A)	True
			B)	False
24			Epinephrine is released by the adrenal cortex in response to stress.
			A)	True
			B)	False