9. During an autopsy the brainstem was separated from the rest of the brain by a
ID: 3479568 • Letter: 9
Question
9. During an autopsy the brainstem was separated from the rest of the brain by a cut between the C. midbrain and diencephalon A. medula and pons D. thalamus and cerebrum B. pons and midbrain E. medulla and the spinal cord 10. A footbal player sufers a herniated (ruptured) intervertebral disk in his neck. The disk compresses the spinal nerve exting through the intevertebral foramen between the 5th and 6th cervical vertebrae. Which spinal nerve is affected? A C4 E.C8 B. Cs C. C 6 11. Biateral affection of spinal cord at the cervical level may produce the following syndrome: B. paraplegia C. monoplegia D, tetraplegia A hemiplegia 12. Which is the correct arder of events of sound transmission through the ear? 1. sound waves strike the eardrum 2the ear ossicles vibrate 3. hair cels of the spiral organ vibrate 4. the penilymph in the cochlea moves S. sound waves enter the extemal auditory canal A. 5, 4, 3, 2,1 C. S, 1, 2, 4, 3 D. 5,2, 1, 3. 4 B. 1, 2, 3, 4, s 13. What is the correct sequence for lacrimal fluid production and drainage? a: Tears dsperse across the surface of the eye. b: Tears are produced by the lacrimal gland c: Fluid drains through the nasolacrimal duct. d: Fluid enters the nasal cavity. e Fluid enters the lacrimal canaliculi and collects in the lacrimal sac. A a, b, &, d,e B. b, a, c, d, e C. c, a, d, b, e D. b, a, e, c,d E. c, a, b, e,d 14. If you were to cut a cross section of the retina and examine it under a microscope, what would be the order of features from the chorold to the posterior cavity? a Rods and cones br Ganglionic axons progressing to the optic nerve Bipolar cells d Ganglion cels bodies e Pigmented retina 1. Peter suffered from polo as a child, He drags his right leg slightly when he walks because of weakness in flexing his hip E. e, d, c, b, a and extending his knee. Moreover, his leg swings outward slighty with each step, and he has difficulty ir crossing his right leg over his left. These all resuit from damage to which nerve? A sciatic B. obturator C. femoral D. tibial 16. Which sequence correctly traces the pathway of aqueous humor in the eye? a Aqueous humor is secreted by epithelial cillary cells b: Aqueous humor is released into the posterior chamber. e: Aqueous humor is drained into the scleral venous sinus. d: Aqueous humor washes over the lens and then passes through the pupl into the anterior chamber. A a, b, c, d C. a, b, d, c D. d, a, c,b E a,c, b,dExplanation / Answer
9. The connection between the midbrain and the diencephalon are severed during autopsy. This action causes the separation of the brainstem from the rest of the body. This brainstem includes the midbrain, the pons, medulla oblongata and sometimes the diencephalon.
Option C.
10. Cervical herniated discs involve either the C5-C6 spinal segment or C6-C7 spinal segment. The C6 nerve is affected at the C5-C6 level.
Option C.
11. Bilateral affections of the spinal cord at the cervical level causes tetraplegia. Tetraplegia occurs when all four limbs are affected by the injury to eight segments of spinal cord.
Option D.
Chegg’s rule indicate that it is only mandatory to answer first question.
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