ANPH Unit 3 Exam with Questions and Answers

ANPH Unit 3 Exam with Questions and Answers Significant memory loss is a normal part of aging and should be expected in most people by age 80 T/F ANSWER False Which statement correctly describes the relationship between the sympathetic nervous system and the adrenal glands? a. Sympathetic fibers all migrate in the adrenal glands which, in turn, cause the fight of flight reaction b. The adrenal glands are part of the peripheral nervous system c. The adrenal glands release neurotransmitters which "turn on" the sympathetic fibers d. sympathetic fibers innervate the adrenals to release epinephrine and norepinephrine ANSWER D. Sympathetic fibers innervate the adrenals to release epinephrine and norepinephrin Damage to the ______ nerve will cause blindness ANSWER Optic Somatic reflexes affect skeletal muscle; visceral reflexes affect an organ, usually to maintain homeostasis. T/F ANSWER True What occurs during the depolarization phase of an impulse? a. Sodium/potassium pump actively works to move sodium ions out of the cell and allow potassium ions into the cell b. Potassium channels open allowing potassium ions to flood out of the cell; cell becomes more negative on the inside