Exam3Practice Ch9 CNS Ch10 Senses Ch11 Efferent Ch12 Muscle

Exam3Practice Ch9 CNS Ch10 Senses Ch11 Efferent Ch12 Muscle...

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- 1 - Biology 235 Human Physiology Practice Exam 3 This is s draft , some questions will be added, some will be deleted. Answers are in the book or lectures. Review the study guide for lecture 3 and the lecture notes. Reading the textbook is probably a good idea too . MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question. 1) Cerebrospinal fluid is produced by the a) choroid plexus. b) pia mater. c) ventricles. d) arachnoid villi. e) frontal sinuses. 2) The brain consumes about half of the __________ circulating in the body. a) glucose b) fatty acids c) potassium d) sodium e) oxygen 3) Cell bodies of sensory neurons are located in a) dorsal horns. b) propriospinal tracts. c) dorsal root ganglia. d) ventral root ganglia. e) ventral horns. 4) The mixed cranial nerve that projects to and from many internal organs and glands is the __________ nerve. a) spinal accessory b) vagus c) trochlear d) glossopharyngeal e) trigeminal 5) The brainstem consists of these structures. a) medulla oblongata, pons, and midbrain b) medulla oblongata, pons, and thalamus c) pons, midbrain, and cerebellum d) pons, midbrain, and thalamus e) medulla oblongata, cerebellum, and pons 6) The hormone that is released to enhance the fight-or-flight response is a) prolactin. b) oxytocin. c) epinephrine. d) thyroid hormone. e) antidiuretic hormone. 7) This sensation involves a simple system with receptors that are neuron dendrites. a) pain b) balance c) taste d) hearing e) smell 8) With the exception of olfaction, all sensory pathways first travel to the __________, which acts as a relay and processing station. a) thalamus b) cerebrum c) cerebellum d) medulla oblongata e) hypothalamus
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- 2 - 9) A receptor potential is a) an action potential. b) a graded potential. c) the resting membrane potential of a receptor cell. d) A or B e) none of the above 10) The larger the receptive field, a) the more sensory receptors it includes. b) the larger the stimulus needed to stimulate a sensory receptor. c) the larger the area of the somatosensory cortex in the brain that deals with the area. d) the harder it is to discriminate the exact point of stimulation. e) all of the above 11) There are __________ primary taste sensations. a) 5 b) 12 c) 20 d) 2 e) more than 50 12) Tonic receptors a) are activated by parameters that must be continuously monitored by the body. b) fire rapidly when first activated, then slow and stop firing even with a continuing stimulus. c) are proprioreceptors, for example. d) are slowly adapting receptors. e) A, C, and D 13) The external auditory canal ends at the a) tympanic membrane. b)
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Exam3Practice Ch9 CNS Ch10 Senses Ch11 Efferent Ch12 Muscle...

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