Quiz 2

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Chapter 7

Quiz 2

This activity contains 20 questions.

A neurotransmitter is released from the:

	synaptic cleft.
	presynaptic nerve ending.
	postsynaptic nerve ending.
	synaptic bridge.
	dendrite ending.

An action potential:
i) occurs when the local potential reaches threshold.
ii) obeys the all-or-none rule.
iii) proceeds with constant magnitude from one point to another.
iv) is characterized by a series of depolarizations/repolarizations along the membrane.

	all of (i), (ii), (iii), and (iv) above are correct
	only (i), (ii), and (iii) above are correct
	only (i) and (iii) above are correct
	only (ii) and (iv) above are correct
	only (iv) above is correct

Another name for a nerve impulse would be a(n):

	membrane potential.
	resting potential.
	neural potential.
	action potential.
	axle potential.

At the synapse:

	a. two nerve fibers come in direct contact with each other.
	b. impulses can pass in either direction.
	c. impulses can pass from an axon of one neuron to the dendron (dendrite) of the next neuron.
	d. an electrical "spark" will jump the gap.
	e. both a and b above are correct

Between successive Schwann cells, there are gaps in the myelin sheath called:

	Nissl granules.
	axon hillock.
	nerve cell bodies.
	axons.
	nodes of Ranvier.

Broca's area in the brain is associated with the ability to:

	interpret sounds.
	maintain a state of wakefulness.
	play a musical instrument.
	remember.
	speak.

Damage to which cranial nerve(s) may impair the sense of taste?

	a. VII Facial
	b. IX Glossopharyngeal
	c. XII Hypoglossal
	d. a, b, and c above are correct
	e. only a and b above are correct

The _______ produce cerebrospinal fluid.

	adenohypophysis glands
	crura cerebri
	choroid plexes
	corpora quadrigemina
	meninges

The basic unit of the nervous system is the ________.

	axon.
	dendron.
	nephron.
	neuron.
	nerve cell body.

The brain is part of the:

	autonomic nervous system.
	central nervous system.
	peripheral nervous system.
	somatic nervous system.
	splanchnic nervous system.

The cerebellum aids in maintenance of:

	balance and posture.
	binocular vision.
	emotional behavior.
	speech.
	visual acuity.

The cerebral cortex is characterized by numerous elevated ridges of tissue called _______.

	gyri.
	sulci.
	fissures.
	neural tubes.
	the cerebral lobes.

The corpus callosum connects the:

	lateral lobes of the cerebellum.
	right and left cerebral hemispheres.
	hypothalamus to the pons.
	cerebellum to the pons and medulla.
	the calluses on the palms of your hands.

The dendrite of a neuron:

	a. conducts nerve impulses towards the nerve cell body.
	b. conducts nerve impulses away from the nerve cell body.
	c. is the single main cell process of a multipolar neuron.
	d. both b and c above are correct.

The neuron process termed the "axon" normally:

	a. conducts nerve impulses away from the nerve cell body.
	b. conducts impulses towards the nerve cell body.
	c. conducts nerve impulses towards the Central Nervous System.
	d. both a and b above are correct.
	e. both a and c above are correct.

The occipital lobes:

	are located within the white matter of the cerebrum.
	help regulate gross movements performed unconsciously.
	are concerned with vision.
	are part of the peripheral nervous system.
	are the most posterior part of the cerebellum.

The part of the brain concerned with water balance, appetite, and regulating body temperature, is the:

	cerebral cortex.
	cerebellum.
	hypothalamus.
	medulla oblongata.
	thalamus.

The region of the brain that regulates heart rate is located in the:

	cerebellum.
	cerebrum.
	medulla oblongata.
	superior coliculi.
	pons

The tightly packed coil of the Schwann cell plasma membranes that encircles certain kinds of axons is termed the:

	myelin sheath.
	neurolemma.
	node of Ranvier.
	Nissl granules.
	ependymal cells.

Which of the following plays an important role in regulating voluntary movements?

	postcentral gyrus of the parietal lobe
	basal ganglia.
	hypothalamus
	primary motor gyrus of the frontal lobe
	cerebral peduncles

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Quiz 2

A neurotransmitter is released from the:

An action potential: i) occurs when the local potential reaches threshold. ii) obeys the all-or-none rule. iii) proceeds with constant magnitude from one point to another. iv) is characterized by a series of depolarizations/repolarizations along the membrane.

Another name for a nerve impulse would be a(n):

At the synapse:

Between successive Schwann cells, there are gaps in the myelin sheath called:

Broca's area in the brain is associated with the ability to:

Damage to which cranial nerve(s) may impair the sense of taste?

The _______ produce cerebrospinal fluid.

The basic unit of the nervous system is the ________.

The brain is part of the:

The cerebellum aids in maintenance of:

The cerebral cortex is characterized by numerous elevated ridges of tissue called _______.

The corpus callosum connects the:

The dendrite of a neuron:

The neuron process termed the "axon" normally:

The occipital lobes:

The part of the brain concerned with water balance, appetite, and regulating body temperature, is the:

The region of the brain that regulates heart rate is located in the:

The tightly packed coil of the Schwann cell plasma membranes that encircles certain kinds of axons is termed the:

Which of the following plays an important role in regulating voluntary movements?

An action potential:
i) occurs when the local potential reaches threshold.
ii) obeys the all-or-none rule.
iii) proceeds with constant magnitude from one point to another.
iv) is characterized by a series of depolarizations/repolarizations along the membrane.