Please answer all and part of 66 in second photo 59. Specific, direct and \"one-

Question

Please answer all and part of 66 in second photo
59. Specific, direct and "one-on-one" communication between an endocrine gland and its target cells is determined by a) The distance between the endocrine gland and its target b) The anatomical connections between the endocrine gland and its target c) The chemical nature of the hormone (i.e. the class of molecule it is) d) The presence of receptors for the hormone on or in the target cell 60. Which of the following adrenal hormones plays a major negative feedback role on secretion from a) cortisol b) aldosterone c) testosterone d) epinephrine 61. Which one of the following would be increased in a person with hypothyroidism? a) Basal metabolic rate b) Cardiac output c) Food intake d) Neural excitability e) Body weight 62. "Anisocytotic, hypochromic, microcytic" are words that might characterize erythrocytes in this disease: a) Pernicious anemia b) Sickle cell disease c) HDN d) e) Iron deficiency anemia Polycythemia vera 63. A person climbs to high altitude. There, the concentration of gases in the air is than normal This means that after several weeks, this person will be a) Lower, anemic b) Lower, polycythemic c) Higher, anemic d) Higher, polycythemic 64. Methemoglobin is a form of Hb that lacks iron, and is due to an iron deficiency a) True b) False 65. Blood viscosity, or "thickness" of blood, is mainly a function of a) RBC count b) WBC count c) Hb concentration d) Albumin concentration 66. An erythrocyte's biconcave shape is an advantage over a spherical shape because this gives the cell a(n)--surface to volume ratio, gas exchange. 69

Explanation / Answer

59. d. the presence of receptors for the hormone on or in the target cell

60. a. cortisol

61. e. body weight

62. d. iron deficency anemia

63. b. Lower, polycythemic

64. b. False

65. a. RBC count

66. a. Increased, enhancing

67. e. all of the above

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