73. Which of the following is not a function, of the endocrine system? of blood

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73. Which of the following is not a function, of the endocrine system? of blood sugar levels 66, Chylomicrons are ithin a. Main Regulation of metabolic activity and H20 and intestinal epithelial cells and covered with a ayer f lipoprotein, which renders them water- lyte balance electro Promotion of growth and development of external stimul Transduction of bile salts, monog 74. Peptide a. Are synthesized from modified cholesterol b, acids by the action free fatty held apart bile salts lecules proteins b. Are typically not bound to plasma d. Secreted in the succus entericus glands is 67. Which statement regarding endocrine blood target c. Bind to intracellular receptors at their d. Typically activate genes to cause the They produce hormones. of new protein molecules into the blood. b. They secrete their They are comprised of epithelial tissue. 75. Steroid hormo nes are c. all controlled by the nervous system. a. Lipophilic d. They are b. Derived from cholesterol esis of specific new 68. Hormones chemical composition a. Are all of similar on the target b. Combine with specific receptors cell cell's surface or inside the target c. Are secreted at a constant rate cyclase, which d. All act by activating adenylate transforms ATP into cyclic AMP Able to initiate the synthe proteins within their target cells d, both a and b e, all of the above 76. The posterior pituitary secretes ADH b. Stores anterior pituitary hormones 69. All h Are regulated by the hypothalamus c. ACTH and LH d. Secretes vasopressin and oxytocin into the hypoth portal system b. Initiate synthesis of new proteins through ducts c. Are secreted by endocrine glands The secretes insulin and glucago into the blood 77. d. Must combine with specific receptors on the a. Posterior pituitary target cells in order to exert their effects b, Liver e. Are eventually inactivated by enzymes in the c. Pancreas liver, kidneys, blood, or target cells d. Stomach g is true about hormones? 78. Melatonin is produced in the 70. Which of the followin a. They are released from exocrine glands. a. Anterior pituitary b. They interact with receptors at target-cell sites. b. Posterior pituitary c. They are synthesized in the lymph nodes d. They interact with receptors in the blood. Select the incorrect statement about peptide c. Pineal d. Hypothalamus 79. Identify the gonadotropic hormone(s). hormones a. LH They include adrenal cortex hormones. b. FSH b. Insulin is an example. granules. c. They are stored within secretory glands. d. They are secreted from endocrine c. Testosterone d. All of the above e. Only a and b 72. Which statement about tropic hormones is incorrect? is the target for ACTH. 80. The They may stimulate the secretion of other a. a. Adrenal gland hormones. b. Anterior pituitary b. They target other glands c. Posterior pituitary They are all produced in the anterior pituitary c. d. Ovary 81. A portal system exists between the d. Both a and b a. Adrenal cortex and adrenal medull b. Hypothalamus and anterior pituita c. Hypothalamus and posterior pituit d. Small intestine and liver

Explanation / Answer

67. Which statement regarding endocrine glands is incorrect?

Ans.: d) They are all controlled by the nervous system.

68. Hormones

Ans.: b) Combine with specific receptors on the target cell's surface or inside the target cell.

69. All hormones

Ans.: d) Must combine with specific receptors on the target cells in order to exert their effects.

70. Which of the following is true about hormones?

Ans.: b) They interact with receptors at target-cell sites.

76. The posterior pituitary

Ans.: d) Secretes vasopressin and oxytocin into the hypothalamo-hypophyseal portal system.

77. The _________ secretes insulin and glucagon.

Ans.: c) Pancreas

78. Melatonin is produced in the

Ans,: c) Pineal

79. Identify the gonadotropic hormone(s).

Ans.: e) Only a and b

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