Physiology II - Exam 1 - Practice Questions Flashcards by Aaron Keith

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C. A collection of cell bodies and dendrites in the midbrain.

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D. Sarcoplasmic reticulum

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B. Diencephalon

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B. Meningocele

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C. Mesencephalon

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B. Ventral (anterior) horns

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B. Glutamate

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B. Central sulcus

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C. Leakage of potassium ions

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D. Temporal lobe

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A. Acetylcholine

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D. Excitatory interneurons

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B. Dendrite

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C. Relay all sensory information, except smell, to the cerebral cortex

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B. Ia inhibitory interneurons

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A. Activation results in opening of an ion channel

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C. Time it takes to “jump” from one node of Ranvier to the next one

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C. Serotonin

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C. Angular gyrus.

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B. Loss of transfer of visual info from the right hemisphere into Wernicke’s area

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A. Thalamus

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E. V and VI

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D. Wernike’s area

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B. Primary sensory cortex

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A. True

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C. Discharge zone

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C. First node of Ranvier

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C. Movement of eye upward

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D. Strychnine

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D. Wernike’s area

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B. Granular cells

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A. Slow adapting

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C. Labeled line principle

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D. Chemical

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B. It is carried by Aδ fibers.

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A. Pain

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A. 1, 2, 3

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A. Lateral spinothalamic pathway

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C. Reticular formation

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A. Periaquaductal gray

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C. Nucleus ruber

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B. Secondary (second order) neurons

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A. Somatosensory cortex

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A. Dorsal column-medial lemniscal pathway

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C. In the reticular formation

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B. Sensations of pain, heat, and cold are lost on the side of the transection below the level of transection.

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A. Medial lemniscal

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C. Liver parenchyma

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D. 60 diopters

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C. Refractive power

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B. 2 μm

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B. Hyperopia

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C. Myopia

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D. The eyeball is too long

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D. Scotopsin and all-trans retinal

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E. The inside of the rod membrane has a potential of -70 mV.

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A. Transducin

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C. Lateral geniculate nucleus

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D. Amacrine cells

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D. They are probably responsible for all color vision.

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A. They constitute the magnocellular region of the lateral geniculate nucleus.

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D. Y type ganglion cells

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D. Ganglion cells

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B. 50 percent

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A. 0

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B. 6

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D. Place principle

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A. Length of fibers increases from the oval window to the apex and diameter of the fibers decreases from the oval window to the apex.

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A. High concentration of potassium in the endolymph

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A. Attenuation reflex

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A. Tympanic membrane -> malleus -> incus -> stapes -> oval window

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B. Scala vestibuli/scala media

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B. Reissner’s membrane

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D. Reticular activating system

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D. Thalamus

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C. Tectorial membrane

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A. Dorsal and ventral cochlear nuclei; Superior olivary nucleus; Medial geniculate nucleus (thalamus); Auditory cortex