NAB RC/AL Practice Exam Questions and Correct Answers

Integumentary Skin Circulatory Decreased cardiac output. Enzyme action on heart, heat rate and ability of heart to return to normal after. illness Respiratory Lungs become restricted by rib cage; rib cage size increases; lung tissue becomes more rigid; decrease in respiratory strength; low lung expands less, upper lung more. Musculoskeletal Decreased muscle fibers and tissue, muscle strength; increased waste products in muscle (lactic acid, carbon dioxide); muscle cells accumulate fat and collagen; bones become porous and lose bone mass; calcium leaves the bone. Digestive Teeth loosen and gums recess; loss of taste buds. Decrease in: enzyme actions, hydrochloric acid (HCL), peristalsis, ability to tolerate fat, gag reflex and sphincter control. Endocrine Decrease in cells, size of glands, gland secretions, ability to adapt to stress because of decreased adrenaline, decreased thyroid secretions. Urinary Decrease in size of kidneys, functional cells, vascular circulation to kidneys, urine produced and eliminated, filtering functions of kidneys, decreased tone of urinary muscles and ability to control flow of urine. Reproductive - Women Decrease in size of ovaries, uterus, amount of hormonal secretions. Reproductive - Males Prostrate enlarges, decrease size of testes. Neurological Decrease in brain weight, neural cells, psychomotor reaction time, blood flow to the brain and in all sensory perceptions; memory loss; plaques form in brain tissue. Conservator Legal authority and duty to protect assets of a "Protected Person" (a minor or incompetent). Appointed by court. Can only make decisions about property. DNR Order by a physician, with respect to specific patient, re: cardiac arrest or respiratory arrest.