Exam%203%20BlueF09

Exam%203%20BlueF09 - Name _ Lab Section _ BIOL 301 EXAM 3...

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Name ___________________________ Lab Section ____ BIOL 301 EXAM 3 Blue 12 November 2009       Directions: Choose the one best answer for each question. If a question seems ambiguous or seems to have more than one correct answer or no correct answer, you may explain your reason for choosing the answer you did (and eliminating the other answers) with a brief comment written in the table below. You will get credit for the question if your reasoning is correct. To submit comments for consideration, fill in your name and lab section on this page and hand it in together with your scantron. Question Number Answer Chosen R e a s o n i n g
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++ SENTENCE COMPLETION ++ In this group of questions, select the answer choice that best completes the statement or best answers the question. 1. Which cranial nerves carry signals for taste sensations? A. accessory and trigeminal nerves B. facial and glossopharyngeal nerves C. glossopharyngeal and trigeminal nerves D. trochlear and abducens nerves E. vagus and hypoglossal nerves 2. Tapping the ____ will elicit the ____. A. calcaneal tendon, knee jerk reflex B. calcaneal tendon, Babinski sign C. patellar ligament, knee jerk reflex D. patellar ligament, Achilles reflex E. patellar ligament, ankle jerk reflex 3. All of the following statements regarding cerebrospinal fluid (CSF) are TRUE, except : A. CSF returns to the bloodstream through arachnoid villi. B. CSF is absorbed into the bloodstream through the interventricular foramen. C. CSF contains a lower concentration of glucose than blood plasma. D. CSF is produced in the choroid plexi (plural of plexus) of the ventricles. E. CSF flows into the subarachnoid space through the lateral and median apertures (aperatures). 4. Ouabain ____ decreases the amplitude of action potentials by ____. A. rapidly; blocking voltage-gated Na + channels B. rapidly; preventing release of acetylcholine C. slowly; increasing the permeability of the neuron membrane D. slowly; inhibiting acetylcholinesterase (AChE) E. slowly; inhibiting Na + /K + ATPase 5. The part of the brain responsible for maintaining balance and posture: is ____. A. A B. B C. C D. D E. E 6. A person suffers a head injury that results in blindness. Which part of the brain was most likely injured? A. A B. B C. C D. D E. E 7. All of the following statements regarding sensation are true except : A. A sensory neuron exhibits selectivity. B. Nociceptors are the most rapidly adapting sensory receptors. C. The duration of a sensation may be shorter than the stimulus duration if it is mediated by rapidly adapting receptors. D. A given sensory neuron conveys only one modality E. The intensity of a sensory stimulus is conveyed by the frequency of the action potentials.
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BIOL 301 Fall 2009 Exam 3 Blue page 2 of 7 8. After a cerebrovascular accident (CVA), a person experiences paralysis in the toes. Which blood vessel was obstructed? A. anterior cerebral artery
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Exam%203%20BlueF09 - Name _ Lab Section _ BIOL 301 EXAM 3...

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