Nervous system Test


Terms in this set (...)

Which of the following is the correct pathway for the spinal reflexes
stimulus, receptor, sensory neuron, interneuron, motor neuron, effector
what stimulates pain receptors
Tissue damage, mechanical forces, and spicy food
the pre central gyrus is located in the
frontal lobe
what must happen for the eye to focus on a distant object
Ciliary muscles relax, ligaments are tight, and lens is thin
the two divisions of the nervous system are
central and peripheral
Light passes through the following structures in which order?
Cornea, aqueous humor, lens virtuous humor
dim light stimulates _________ muscles to contract so that the pupil may _____________
Radial; Dilate
the cerebral hemispheres communicate through the
corpus collosum
Receptors for hearing are located in the
which of the following cranial nerves innervate to organs in the thoracic cavity
Which body part has the greatest ability to discriminate two points of touch
index finger
olfactory neurons fade rapidly as a result of
Sensory adaptation
The pineal gland functions do do which of the following
secretes melatonin
the process that allows an individual to locate a region of stimulation is called
what condition can cause a lens to become cloudy
what structures were present in the anterior portion of the eye (dissected)
cornea, lens, vitreous humor
When visceral pain is felt somewhere outside the organ it is called
referred pain
a condition that arises due to degeneration of myelin is called
multiple sclerosis
what do tears contain that helps prevent bacterial infections
Which of the following is avascular
The blind spot of the eye is where
the optic nerve leaves the eye
What is true about a condition in which the eyeball is too short
Light waves are focused behind the retina; can be corrected with a convex lens
Holds retina in place against the choroid coat
Tough outer layer that protects the eye; many pain receptors
holds the lens in place
ciliary body
Transparent structure for light transmission and refraction
Contains rods and cones
receives sensory impulses; distributes for interpretation (except smell)
judging and problem solving
frontal lobe
visual and problem solving
using words to express thought
parietal lobe
blood pressure, heart rate, respiratory
brain stem
homeostasis (thirst, hunger, weight)
Secretes reproductive hormones
pituitary gland
rate and depth of breathing