Fall 2017 Lecture Exam 4-A nhysiology-I INSTRUCTIONS: answer for the is worth 2
ID: 3524305 • Letter: F
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Fall 2017 Lecture Exam 4-A nhysiology-I INSTRUCTIONS: answer for the is worth 2 points Please read each question carefully and select the best question. Record your answer on the scantron Each question 1) There are three layers of neurons in the retina. The pxons of which of these neuron layers form the optic nersss A) bipolar cells B) ganglion cells C)cone cells D) rod cells E) pigmented cells 2) The is the A) spiral organ D) cochlear duct B) macula E) utricle 3) Which of the following does NOT describe the ANS? A) a systen of motor neurons that innervates smooth and cardiac muscle and glands B) includes the sympathetic and parasympathetic divisions C) involuntary D) general visceral motor system E) a system of motor neurons that innervates skeletal muscle that produce it? A) sweet sugar, saccharin, alcohols C) salty-inorganic salts such as NaCi E) umami - triglycerides and fatty acids 4) Which taste sensation is incorrecty B) sour-acids such as H D) bitter - alkaloids such as nicotine, caffeine, morphine person who is color blind, which of the following would you most expect to see? A) a loss of functions in the rods of their retina B) a loss of their peripheral vision C) an inability to regenerate 11-cis-retinal after bleaching D) absence of green or red cones in their fovea centralis E) a loss of complete vision in intense bright light 6) Which of the following is TRUE regarding nicotinic and muscarinic receptors? A) Both receptor types are always excitatory B) Both types respond to norepinephrine C) One type responds to acetylcholine and the other to norepinephrine D) They are only found in the voluntary (somatic) nervous systenm E) They can either be excitatory or inhibitoryExplanation / Answer
1 B. Ganglion cells :- Ganglion cells layer of retina contains axons of bipolar cells, and their axons forms the optic nerve
2 C) Cristal ampullares :-The receptors for dynamic equilibrium are found in the crista ampullaris of the semicircular canals.
3 A) a system of motor neurone that inner ages smooth and cardiac muscle and glands:- Autonomous nervous system ANS is a part of peripheral nervous system and mainly control fight-or-flight Mechanism.
4 E) umami - triglycerides and fatty acids :- umami has taste of amino acid L-glutamate.
5 D) absence of green or red cones in their foveae centralis
6 E) They can either excitatory or inhibitory
7 A) cochlea
8 A) parasympathetic
9 B) chemicals dissolved in mucus’s or saliva
10 C) hyperopia
11 E) perilymph
12 B) muscle spindles
13 E) The projection level contains central pattern generators
14 B) olfactory I
15 C) chemoreceptors
16 A) cornea
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