Multiple Choice Quiz

Please answer all questions


1	Cell bodies in the peripheral nervous system generally occur in clusters called _____________.
		A)	nuclei
		B)	ganglia
		C)	collaterals
		D)	neuroglia


2	The _____________ are glial cells that migrate throughout the central nervous system, removing foreign and degenerated material.
		A)	microglia
		B)	oligodendrocytes
		C)	astrocytes
		D)	ependymal cells


3	Myelin sheaths in the peripheral nervous system are formed by _________________, while myelin sheaths in the central nervous system are formed by ________________.
		A)	astrocytes; microglia
		B)	ependymal cells; neurolemmacytes
		C)	neurolemmacytes; oligodendrocytes
		D)	oligodendrocytes; microglia


4	The most common type of neurons are ______________ which have several dendrites and one axon extending from the cell body.
		A)	interneurons
		B)	afferent neurons
		C)	multipolar neurons
		D)	pseudounipolar neurons


5	Nerves are protected by a cloak of connective tissue called the __________________.
		A)	neurilemma
		B)	endoneurium
		C)	perineurium
		D)	epineurium


6	Which statement accurately reflects what occurs during a nerve impulse?
		A)	Depolarization occurs at the site of the stimulus.
		B)	Sodium ions rush into the cell.
		C)	The nerve impulse travels in one direction only.
		D)	All of these are correct.


7	The cerebrum arises from the ______________.
		A)	prosencephalon
		B)	mesencephalon
		C)	rhombencephalon
		D)	The cerebrum arises from a combination of these three portions.


8	Which of the cerebral lobes is the center for personality, higher intellectual processes, verbal communication, and the voluntary control of skeletal muscles?
		A)	frontal
		B)	parietal
		C)	temporal
		D)	occipital


9	The recording of ____________ waves in adults generally indicates severe emotional stress.
		A)	alpha
		B)	beta
		C)	theta
		D)	delta


10	Which of these is not one of the basal nuclei within the white matter of the cerebrum?
		A)	corpus striatum
		B)	caudate nucleus
		C)	putamen
		D)	angular gyrus


11	Choose the function of the hypothalamus that is false.
		A)	cardiovascular regulation
		B)	regulation of sleeping and wakefulness
		C)	houses pneumotaxic area
		D)	sexual response


12	A portion of the meninges called the _____________ extends into the transverse fissure that separates the cerebellum from the overlying cerebrum.
		A)	falx cerebelli
		B)	tentorium cerebelli
		C)	corpus callosum
		D)	falx cerebri


13	Three nuclei within the medulla oblongata function as vital centers for controlling heart rate, blood pressure, and _______________.
		A)	rate and depth of breathing
		B)	emotions
		C)	body temperature
		D)	water and electrolyte balance


14	The middle of the three meninges is the ___________________.
		A)	dura mater
		B)	pia mater
		C)	arachnoid mater
		D)	ligamentum denticulatum


15	In what area of the spinal cord do the spinal cord tracts lie?
		A)	anterior horn
		B)	posterior horn
		C)	gray commissure
		D)	white matter

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