HCR 240 / HCR 240 EXAM 2 (50 Questions & Answers)

HCR 240 EXAM 2 1. Neurons that carry impulses away from the CNS are called: a. afferent neurons b. sensory neurons c. efferent neurons d. association neurons 2. The activities of the sympathetic division of the autonomic system include the following: (select all that apply) a. mobilization of energy in times of stress b. increase in heart rate and respiratory rate for oxygen delivery c. increased gastric secretions for digestion d. dilation of pupils for better vision e. vasoconstriction of peripheral aterioles to shunt blood to work muscles 3. The function of endorphins is to: a. increase pain sensation b. decrease pain sensation c. increase blood flow to renal bed d. decrease blood flow to renal bed 4. Increased blood levels of epinephrine increase body temperature by a. increasing blood flow to extremities b. increasing muscle tone c. increasing metabolic activities d. decreasing basal metabolic rate 5. Initiation of seizure activity can be caused by: a. meningitis b. stroke c. hyperglycemia d. all of the above 6. An individual with increased intracranial pressure from a head injury shows small and reactive pupils, widened pulse pressure, and slowed breathing. Which stage of ICP is present? a. stage 1 b. stage 2 c. stage 3 d. stage 4 7. In blunt head trauma: a. brain tissues are exposed. b. only focal injury occurs. c. the dura is severed. d. the dura remains intact. 8. In an automobile accident, an individual's forehead struck the windshield. The coup/contrecoup injury would be in the: a. frontal/parietal region. b. frontal/occipital region. c. parietal/occipital region. d. occipital/frontal region. 9. Most spinal cord injuries occur in the: a. cervical and thoracic regions. b. cervical and lumbar regions. c. thoracic and lumbar regions. d. lumbar and sacral regions. 10. Which is a risk factor for stroke (also called CVA)? a. polycythemia vera b. hypertension c. diabetes mellitus d. smoking e. all of the above