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
