A & P Ch 7 Test Review

The nervous system is structurally subdivided into two systems: ___________ nervous system and ____________ nervous system.

• central; peripheral

• somatic; autonomic

• parasympathetic; sympathetic

• autonomic; sympathetic

The part of the neuron that typically conducts nerve impulses away from the cell body is the __________.

• dendrite

• cell body

• synaptic cleft

• axon

Sensory receptors located in muscles and tendons are termed ____________.

• Meissner's corpuscles

• proprioceptors

• lamellar corpuscles

• association neurons

Bundles of nerve fibers (neuron processes) running through the CNS are called _________, whereas in the PNS they are called __________.

• tracts; nerve

• gray matter; white matter

• axons; dendrites

• afferent nerves; efferent nerves

Myelinated fibers (tracts) form __________ matter while unmyelinated fibers form __________ matter.

• sensory; motor

• gray; white

• motor; sensory

• white; gray

The thalamus, hypothalamus, and epithalamus collectively constitute the __________.

• cerebellum

• dicephalon (interbrain)

• brain stem

• cerebrum

The brain dysfunction where blood supply to a region (or regions) of the brain is blocked and vital brain tissue dies, as by a blood clot or a ruptured blood vessel, is called ___________.

• cerebrovascular accident (CVA) or stroke

• Parkinson's disease

• Huntington's disease

• multiple sclerosis

The brain and spinal cord are protected and cushioned by three connective tissue membranes that are collectively called __________.

• ventricles

• arachnoid villi

• meninges

• sinuses

The blood-brain barrier is formed by _________ junctions that nearly seamlessly blind capillaries in the brain.

• gap

• intercalated

• desmosome

• tight

One of the major functions of the pons is to control _________.

• breathing

• hunger

• thirst

• consciousness

Tags

NGSS.HS-LS1-3