Innervates The Superior Oblique Muscle

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Figure 13.1 Using Figure 13.1, match the following: 1) Innervates the superior oblique muscle. Answer: B 2) Longest cranial nerve. Answer: D 3) Damage to this nerve would cause dizziness, nausea, and loss of balance. Answer: C 4) Involved in movement of the digestive tract. Answer: D 5) Damage to this nerve would cause difficulty in speech and swallowing, but no effect on visceral organs. Answer: E 1 6) Damage to this nerve would keep the eye from rotating inferolaterally. Answer: B Figure 13.2 Using Figure 13.2, identify the following components of the reflex arc: 7) Integration center. Answer: E 8) Sensory neuron. Answer: C 9) Effector. Answer: B 10) Motor neuron. Answer: D 11) Receptor. Answer: A MATCHING. Choose the item in column 2 that best matches each item in column 1. Match the following: 12) Mixed nerve general sens Answer: A 13) Purely senso impulses from the retina to the thalamus. Answer: B 2 14) 15) 16) Match the f 17) 18) Answer: B 19) Produces a rapid withdrawal of the body part from a painful stimulus; ipsilateral. Answer: D 20) Prevents muscle overstretching and maintains muscle tone. Answer: E 21) Produces muscle relaxation and lengthening in response to tension; the contracting muscle relaxes as its antagonist is activated. Answer: C 3 Match the following: 22) 23) 24) 25) 26) plexus. Answer: D Match the following: 27) Controls the outputs of the cortex and regulates motor activity. Answer: B 28) Central pattern generators. A) Segmental level B) Precommand level C) Projection level Answer: A 29) Intermediate relay for incoming and outgoing neurons. Answer: C 30) The cerebellum and basal nuclei. Answer: B 31) Includes cortical and brain stem motor areas. Answer: C 32) The neural machinery of the spinal cord, including spinal cord circuits. Answer: A 4 SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Figure 13.3 Using Figure 13.3, match the following: 33) Contain autonomic nerve fibers. Answer: C 34) Supplies the posterior body trunk. Answer: A 35) Supplies all of the body except the posterior. Answer: B 36) All but T2 - T12 branch and form nerve plexuses. Answer: B 37) Supplies each muscle with fibers from more than one nerve. Answer: B 5 MATCHING. Choose the item in column 2 that best matches each item in column 1. Match the following: TRU MU 6 50) Receptors that respond to changes in room temperature are found in the skin. Which of the following pairs of classifications below best fit the receptor type that is being described above? 5 5 5 5 5 5 5 Answer: D 7 58) A bit of dust blows into and touches the cornea of the eye. Which of the following is likely to happen? 59 60 61 62 63 64 any particular organ C) viruses that infect us by moving through PNS nerves are prevented entry to the CNS D) having several nerve fibers unite enhances motor function Answer: B 8 65) Bill is a mechanic that works with vibrating tools. He also exerts force on his wrists when twisting wrenches and screws. Bill has a tingling sensation in the lateral portion of his hand. The doctor suspects carpal tunnel syndrome. Which of the following tests might the doctor try on her patient? A) Check for reflex on the medial condyle of the humerus with a rubber mallet. B) Check for hyperextension at the knuckles of the little and ring finger. C) Have Bill flex and extend his arm against resistance. D) Have Bill grip an object with his thumb and index finger and try to pull the object away. Answer: D B) autonomic only C) always mediated by the brain D) rapid, predictable, and can be learned responses Answer: A 9 74) Striking the "funny bone" is actually stimulation of (or injury to) the ________. 75) 76) 77) 78) 79) 80) 81) 82) 83) C) pudendal and common fibular D) pudendal and posterior femoral cutaneous Answer: B 10