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7 33. If a patient had contralateral hemiplegia where is the lesion most likely located? internal capsule a) medulla b' c) pons d) midbrain 34, If a patient with myasthenia gravis who was successfully being treated with neostigmine (a cholinesterase antagonist) accidently took a large overdose of their mediation, they would experience paralysis? al spasmodic flaccid b) c) alternating bouts of spasmodic and flaccid nothing beyond the normal as neostigmine is not typically used to treat myasthenia gravis d' Which of the following is primarily responsible for the fact that 1 nerve action potential causes only 1 muscle action potential? 35. a) synaptotagmin b) cholinesterase acetylcholine c) d) SERCA 36. Amyotrophic lateral sclerosis will cause lesions in both the and the ventral horn, corticospinal tract a) b) dorsal horn, internal capsule dorsal horn, ventral horn c) ventral horn, sarcoplasmic reticulum d) Which of the following would not cause flaccid muscle paralysis? 37. alpha bungarotoxin b) c) a) curare botox d) dantrolene e) Sarin deficits? A lesion in the occipital lobe will most likely result in 27. vision a) b) hearing sensory d) motor Decussation of lower motor neurons occurs in the 28. Medulla a) Midbrain b) precentral gyrus c) none of the above d) 29. During muscular contraction, which of the following gets shorter or smaller in length? a) myosin b) actin troponin c) d) the sarcomere none of the above e) During rest, all of the calcium in skeletal muscle is resequested (ie, pumped back) into the b bow no di 30. by 000,000 b sarcoplasmic reticulum, diffusion a) extracellular fluid, SERCA Cat pumps b) intracellular fluid, Chemical driving forces c) sarcoplasmic reticulum, SERCA Ca pumps d) troponin Z-line, magic e) Ca++ binding to which protein initiates exocytosis. 31 Botox a) T SNARES b) V SNARES d) synaptotagmin c) will probably result in paraplegia while an A complete, bilateral spinal cord injury at injury at 32 will result in quadriplegia? L2, S5 a) b) C3, T12 c) T10, C4 d) C2, C5 e)

Answer 1

33. a) internal capsule.

34. b) flaccid

35. c) acetyl choline

36 a) ventral horn and cortico spinal tract.

37 d) dantrolene

27 a) vision

28 c) none of the above

29 d) sarcomere

30) d) sarcoplasmic reticulum and serca calcium pump

31 d) synaptotogamin

32. a) L2, S5 and d) C2, C5