Anatomy and Physiology II Quiz 10
11) All of the following are true of steroid hormones except that they A) are produced by the adrenal medulla. B) are derived from cholesterol. C) are produced by reproductive glands. D) bind to receptors within the cell. E) are lipids.
A
14) The hypothalamus is an important organ in both the ________ and ________ systems. A) endocrine; nervous B) cardiovascular; nervous C) renal; endocrine D) nervous; renal E) endocrine; lymphatic
A
2) Gonadotropins are hormones that regulate the male and female reproductive organs. A) TRUE. B) FALSE.
A
20) The hormone(s) that may be slowly administered by intravenous drip to accelerate labor and delivery is/are A) oxytocin. B) prolactin. C) luteinizing hormone. D) oxytocin and luteinizing hormone.
A
4) ________ are chemical messengers that are released in one tissue and transported in the bloodstream to alter the activities of specific cells in other tissues. A) Hormones B) Neuropeptides C) Neurotransmitters D) Paracrine factors E) None of the answers is correct.
A
9) The primary function of ADH is to A) increase the amount of sodium lost at the kidneys. B) decrease the amount of water lost at the kidneys. C) decrease blood pressure. D) increase digestive absorption. E) delay urination.
B
15) The pituitary hormone that causes the kidney to reduce water loss is A) TSH. B) FSH. C) OXT. D) ACTH. E) ADH.
E
17) Secretory cells of the adenohypophysis release all of the following except A) FSH. B) TSH. C) LH. D) GH. E) OXT.
E
19) The pituitary hormone that stimulates cell growth and replication by accelerating protein synthesis is A) ACTH. B) MSH. C) prolactin. D) insulin. E) growth hormone.
E
3) The posterior lobe of the pituitary is also known as the A) hypothalamus. B) infundibulum. C) median eminence. D) adenohypophysis. E) neurohypophysis.
E
8) All of the following are true of the nervous system, except A) It responds rapidly to stimuli. B) It responds specifically to stimuli. C) It communicates by the release of neurotransmitters. D) It responds with motor output. E) It cannot function independently of the endocrine system.
E
5) Changes in blood osmotic pressure would most affect the secretion of A) ACTH. B) ADH. C) OXT. D) TSH. E) LH.
B
1) Norepinephrine and epinephrine are considered to be ________ when released into the bloodstream, but neurotransmitters when released at synapses. A) neurotransmitters B) neuropeptides C) hormones D) neurohormones
C
10) Which of the following is mismatched? A) direct communication — small solutes travel through gap junctions B) paracrine communication — molecules released in local area C) endocrine communication — target cells are directly adjacent to each other D) autocrine communication — limited to the cell that secretes the chemical signal E) synaptic communication — uses neurotransmitters that cross synapses
C
13) Regulatory hormones that control secretion of anterior pituitary hormones are released by neurons at the ________ of the hypothalamus. A) paraventricular nuclei B) supra-optic nuclei C) median eminence D) infundibulum E) geniculate bodies
C
16) The hypothalamus controls secretion by the anterior pituitary by A) direct neural stimulation. B) indirect osmotic control. C) secreting releasing and inhibiting factors into a tiny portal system. D) altering ion concentrations and pH in the anterior pituitary. E) gap synaptic junctions.
C
6) The testes produce A) LH. B) progesterone. C) testosterone. D) estrogen. E) FSH.
C
7) Which one is FALSE? A) The pituitary hormone that controls the release of steroid hormones from the adrenal cortex is ACTH. B) The pituitary hormone that stimulates milk production by the mammary glands is PRL. C) The pituitary hormone that triggers the release of thyroid hormone from the thyroid gland is LH. D) The posterior pituitary gland secretes ADH.
C
12) The most complex endocrine responses that integrate the nervous and endocrine system involve the A) thyroid gland. B) pancreas. C) adrenal glands. D) hypothalamus. E) thymus gland.
D
18) The pituitary hormone that promotes ovarian secretion of progesterone and testicular secretion of testosterone is A) TSH. B) ACTH. C) FSH. D) LH. E) GH.
D