BIOS214 Exams 2 UNL Anatomy Exam 2 Questions with answers

BIOS214 Exams 2 UNL Anatomy Exam 2 |\ |\ |\ |\ |\ |\ |\




Questions with answers |\ |\ |\




Each end of a sarcomere is marked by a
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a) an A band
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b) a Z disc
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c) terminal cisternae
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d) an I band
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e) an H band - CORRECT ANSWERS ✔✔b
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What is found in the central canal of the spinal cord?
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a. cerebrospinal fluid
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b. meningeal fluid
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c. blood plasma
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d. astrocytes
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e. oliodendrocytes - CORRECT ANSWERS ✔✔a
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In a ___________ neuronal circuit, input to one neuron leads to
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output from multiple neurons
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a. facilitated
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b. converging
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c. diverging
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d. reverberating
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,e. parallel after-discharge circuit - CORRECT ANSWERS ✔✔c
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Which muscle is not in the anterior compartment of the forearm?
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a. flexor pollicus longus
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b. flexor carpi radialis
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c. palmaris longus
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d. supinator
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e. flexor digitorum profundus - CORRECT ANSWERS ✔✔d
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Two prominent tendons you can palpate at the popliteal fossa
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arise from |\




a. semitendinosus and biceps femoris
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b. pectorals major and latissimus doors
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c. trees major and triceps brachii
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d. adductor magnus and biceps femoris
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e. sartorius and gracilis - CORRECT ANSWERS ✔✔a
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Of these, a member of the infrahyoid muscles
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a. stylohyoid
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b. geniohyoid
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c. mylohyoid
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d. digastric
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e. thyrohyoid - CORRECT ANSWERS ✔✔e
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,In a relaxed muscle fiber, active sites of actin are blocked by
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a. elastic fibers
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b. tropomyosin
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c. troponin
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d. calcium ions
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e. myosin heads - CORRECT ANSWERS ✔✔b
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The somas of the sensory neurons of spinal nerves are found
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a. in the ventral horns
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b. the thalamus
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c. the dorsal horns
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d. in the dorsal root ganglion
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e. in the spinothalamic tracts - CORRECT ANSWERS ✔✔d
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What are the gaps between myelinated segments of an axon?
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a. nodes of Ranvier
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b. synaptic clefts
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c. satellite gaps
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d. tangled plaques
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e. myelin gaps - CORRECT ANSWERS ✔✔a
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The loss of muscle mass from disuse is called
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a. atrophy
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b. tetanus
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, c. myopathy
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d. myasthenia gravis
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e. hypoplasia - CORRECT ANSWERS ✔✔a
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What structure does cerebrospinal fluid flow through as it passes
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from the third to the fourth ventricle?
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a. interventricular foramen
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b. corpus callosum
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c. cerebral aqueduct
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d. central canal
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e. dural sinus - CORRECT ANSWERS ✔✔c
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Slow oxidative (SO) fibers (slow-twitch fibers) have more
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__________ and less _________ than fast glycolytic (FG) fibers (fast-
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twitch fibers) |\




a. glycogen, myoglobin
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b. lactic acid, ATP
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c. capillaries, mitochondria
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d. myoglobin, glycogen
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e. ATP, mitochondria - CORRECT ANSWERS ✔✔d
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These muscles can elevate, depress, and move the mandible
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side-to-side
a. the ptyergoids
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b. the master only
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