Is the Autonomic nervous system voluntary or involuntary?
Involuntary
What do proprioceptors detect?
body movement and position
Name the three bones of the middle ear.
stapes, incus, and malleus
What structures make up the fibrous layer of the eye?
sclera and cornea
What causes the taste of umami?
amino acids
What is an example of a visceral reflex?
Baroreceptors (control BP)
What general senses do free nerve endings detect?
Temperature and pain
What is the function of the auditory tube?
equalize pressure on the inside of the eardrum.
What is the function of vitreous humor?
It is a gel like liquid that maintains the shape of the eyeball and keeps the retina in place.
What creates the perception of taste?
T/F: The PSNS has long lasting and widespread effects.
False that is the SNS
T/F: Fast pain which is perceived as sharp pain travels through unmyelinated tracts.
FALSE: fast pain travels through myelinated
Which type of fluid can be found in the scala vestibuli and scala tympani?
perilymph
Which structure of the eye does the most bending of light rays?
the cornea
T/F: taste is the only special sense that doesn't go through the thalamus
FALSE: smell is the only sense
Which division of the ANS has the ganglia closer to the target organ?
PSNS
What is referred pain?
Pain in viscera that is perceived elsewhere on the body
FALSE only the basilar membrane moves
What is accommodation?
change in the curvature of the lens to focus on near objects
How often do stem cells replace taste cells?
Every 7-10 days
What are some effects of the PSNS?
decrease HR, decrease BP, constrict pupils, increase digestion, increase glycogen synthesis, increase waste elimination, increase reproduction.
These type of receptors are rapidly adapting like smell and hair movement
phasic receptors
What structures detect static and linear acceleration?
saccule and utricle (vestibule)
If you have hyperopia what is the problem?
Your eye is too short so the focal plane is behind the retina.
How many kinds of chemoreceptors can be found on each olfactory cell?
Only 1.