nervous system

Sally has a brain injury; she knows what she wants to say but can't vocalize the words. The part of her brain that deals with the ability to speak is the

Broca's area

Which of these cells are not a type of neuroglia found in the CNS:

Schwann cells

____________________ cells form the myelin sheaths around nerve fibers in the PNS

Schwann cells

A type of dementia that is caused by accummulated beta-amyloid plaques and tangles that eventually destroy neurons

alzheimer's disease

The subarachnoid space lies directly between the

arachnoid mater and pia mater

The sympathetic and parasympathetic nervous systems are subdivisions of the:

autonomic nervous system

The term central nervous system refers to the:

brain and spinal cord

The midbrain, pons, and medulla oblongata are housed in the

brain stem

Loss of muscle coordination results from damage to the:

cerebellum

the brain dysfunction where blood supply to a region of the brain is blocked and vital brain tissue dies, as by a blood clot or a ruptured blood vessel is

cerebrovascular accident

Part of the brain that contains the primary motor area that enables voluntary control of skeletal muscle movements:

cerebrum

The middle coat of the eyeball that contains pigment which prevents light from scattering in the eyeball is the

choroid

The transparent central anterior portion of the sclera through which light enters the eye is called the

cornea

Which one of the following correctly lists the order of the parts through which light passes as it enters the eye

cornea, aqueous humor, lens, vitreous humor

The neuron processes that normally receive incoming stimuli are called:

dendrites

Which one of the following represents the correct sequence from outermost to innermost layers of the meninges:

dura mater, arachnoid mater, pia mater

Muscles and glands are

effectors

The greatest visual acuity (greatest level of focus) is found at the

fovea contralis

The elevated ridges of tissue on the surface of the cerebral hemispheres are known as _____ while the shallow grooves are termed _____.

gyri and sulci

Hearing receptors within the spiral organ of Corti are called:

hair cells

Control of temperature, endocrine activity, metabolism, and thirst are functions associated with the

hypothalamus

The pituitary gland is most closely associated with the:

hypothalamus

Equilibrium receptors are located in the

inner ear

The autonomic nervous system is also referred to as the ____________________ nervous system since it controls activities of smooth and cardiac muscles and glands

involuntary

The pigmented portion of the eye that has a rounded opening through which light passes is the

iris

The cerebrospinal fluid:

is continually formed mostly by the choroid plexuses

The gland that produces tears in the eye is called the

lacrimal gland

what structure of the eye focuses light on the retina

lens

The vital centers for the control of visceral activities such as heart rate, breathing, blood pressure, swallowing, and vomiting are located in the

medulla oblongata

The blood-brain barrier is effective against the passage of

metabolic waste such as urea

Inability to see far objects:

myopia

The inability to see distant objects is termed "nearsighted" or

myopia

Which part of the cerebrum is stimulate your hand and forearm muscles to write the correct answer to this question?

primary motor area

Which layer of the eye contains rods and cones

retina

Extrinsic muscles of the eye would be attached to what structure

sclera

The fibrous outermost tunic seen anteriorily as the "white of the eye" is the

sclera

Dynamic equilibrium receptors are found in the

semicircular canals

Gustatory hairs are to taste as olfactory hairs are to:

smell

The function of the olfactory nerve concerns:

smell

The peripheral nervous system consists of

spinal and cranial nerves

Hair cells that function as hearing receptors are located within the:

spiral organ of corti

The ____________________ division of the nervous system activates when we are frightened or stressed.

sympathetic

Which of the following are the most closely linked senses

taste and smell

Sound waves entering the external auditory canal hit the eardrum, also known as the

tympanic membrane

The gel-like substance that reinforces the eyeball and prevents it from collapsing inward is the:

vitreous humor