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7. The ventral root of a spinal nerve contains A. only sensory fibers В.only motor fibers. C. only afferent fibers D. both E. a ganglion sensory and motor fibers s. During a spinal tap, cerebrospinal fuid is obtained from which of the following locations? . A. dural sinus B. epidural space C. D. subdural space space E. sagittal sinus 9. The lumbosscral plexus supplies A, the diaphragm B. intercostal muscles C. muscles of the arm and forearm D. muscles of the lower lib E. abdominal museles nerves that function to contract which of the following? 10. Ventral rami of some spinal nerves join with each other to forma A. ganglion. B. dermatome. C. cord D. plexus. E. nerve. 11. Which of the following nerves is part of the brachial plexus? A. peroncal C. ischiadic (sciatic) D. mascalocutaneous E. femoral 12. Which of the following is comecty associaied with the medula oblongata? A. It gives rise to conscious thoughts. B. It contains nuclei for regulation of heart rate and blood vessel diameter C. It contains enlargements called cerebral peduncles. D. It is the most superior portion of the brainstem E. It relays sensory information. 13. Consider the following five terms and determine which does sot belong A. medulla oblongata B. pons C. cardiac center D. pyramids E. olives
14. The A. cerebral peduncle pert of the brain that comnects the medulis to the midbrain is the . B. pons cerebellum 15. The muclei of cranial merves II and IV are located in the E cerebellum 16. The substantia nigra interconnects with the A. besal neclei C red mue lei. D. reticular nuclei E. tectum 17. Vision is dependent upon A. chemoreceptors .B. photoreceptors D. E. nociceptors. 8. Changes in the blood concentration of glucose, oxygen and hydrogen are detected by B. nociceptors C. chemoreceptors. D. proprioceptors. 9. Pacinian corpuscles respond to A. an increase in tendon tension. B. deep cutaneous pressure and vibration. C. stretch and tension. D. temperature and pain. E. light touch 20. The primary somatic sensory or general sensory area is located in A. the postcentral gyrus B. the precentral gyrus C. the prefrontal gyrus D. the central sulcus E. the superior temporal gyrus.
E. hesitancy of speech pill 22. Taste buds are not associated withpapillae. A. foliate B. filiform C. fungifornm D. vallate E. papillifornm 23. The most sensitive taste buds are found inpapillae A. formate B. filiformm C. fungiform D. vallate E. foliate 24. To which of the following substances would the taste buds be most sensitive? A. syrup B. vinegar C. salt water D. quinine (tonic) water E. jelly 25. Why does a persons nose run when he cries? A. Tears drain into the nasal cavity via the nasolacrimal duct B. Parasympathetic nerve stimulation causes the nose to secrete mucus. C. Intense stimulation of the facial nerve as a result of crying increases nasal secretions. D. The lacrimal glands secrete tears directly into the nose. E. This stimulates fluid production in the nose. 26. Color vision A. is a function of cone cells. B. is most acute in dim light. C. is interpreted in the cerebellum. D. depends on the amount of available rhodopsin. E. not present in adults 27. Preganglionie fibers from the thoracic and lumbar segments of the spinal cord are part of t division of the ANS A. central B. sympathetic C. somatic motor E. ganglionic
35. Oxytocin is responsible for A. preventing release of insulin from the pancreas B. preventing the formation of goiters. C. milk production D. regulating blood calcium levels. E. causing contractions of uterine smooth muscle during labor by the mammary glands 36. The sella turcica is the location of which gland? A. thymus B. adrenal C. pincal D. hypothalamus E. pituitary (hypophysis) 37. The heart А.isa B. is posterior to the traches. C. is lined with an epithelial layer called D. lies mostly to the right of the midline of the sternum. E. has a superior apex and an inferior base. to thee 38. The pulmonary A. right atrium B. pulmorary trunk C. pulmonary veies D. right ventricle E. left ventricle semilunar valve guards the entrance to 39. Contractions of the papillary muscles A. close the atrioventricular valves B. close the semilunar valves C. eject blood from the ventricles D. prevent the atrioventricular valves from reversing into the atria 40. The espandable extension of the atrium is the A, ventricle B. coronary sinus C. coronary sulcus D. auricle E. interatrial septum 41. Which of the following pairs is A. endocardium -covers the inner surface of the heart B. myocardi C. trabeculae carneae interior walls of ventricles D. pectinate muscles-muscles that close valves E. chordae tendineae- um - cardiac muscle connective tissue strings that connect to cusps of valves
science   Anatomy-And-Physiology   
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