1. Receptors for the general senses are found
A. in a few clusters.
B. only in the integumentary system.
C. widely distributed throughout the body.
D. throughout the visceral organs
Receptors for the special senses are fonud
A. primarily in the head.
B. throughout the integumentary system.
C. in the fingertips.
D. in internal organs.
The brain interprets input from sensory receptors as
Sensory receptors include
D. all of the above.
5. The ability to ignore your socks around your ankles demonstrates
A. general adaptation.
B. receptor integration.
C. interpretive assimilation.
D. sensory adaptation.
The sequence of information flow in response to biting into a slice of pizza is
A. perception, sensation, impulse send to CNS, sensory receptors
B. sensory receptors activated, impulse sent to CNS, sensation, perception.
C. impulse sent to CNS, sensory receptors activated, perception, sensation.
D. impulse sent to CNS, sensory receptors activated, sensation, perception
Max returns to his dorm room late at night to find his roommate
throwing up. The smell is at first so bad that Max wants to vomit too,
but after helping his roommate clean up, the odor seems to fade. Max
A. damage to his sensory receptors.
B. sensory adaptation.
C. a response to the decreasing concentration of odorant molecules in the room.
D. a hallucination
Sensory impulses are stimulated at receptors by
B. decreasing permeability of nerve cell membranes.
C. subthrehold potential.
D. local changes in their cell membrane potentials.
Olfactory receptors, which provide the sense of smell, are
A sensation is ______, and projection of a sensation is the ______.
A. the stimulation of a receptor cell; transmission of an impulse into the brain
B. a feeling that results from sensory stimulation; brain causing it to seem to come from the receptors being stimulated
C. a good feeling from a stimulation; right side of the brain projecting the sensation to the left side, or vice versa
D. a change in membrane permeability of a receptor; transmission of an impulse into a sensory area of the brain
Which of the following are paired correctly?
A. Baroreceptors-stimulated by blood pressure changes
B. Pain receptors-stimulated by damage to tissues
C. Thermoreceptors-stimulated by temperature changes
D. All of the above
Henry has hereditary sensory and autonomic neuropathy. He lacks
The war veteran experiences an intense burning sensation seeming to
come from where his foot had been amputated. He most likely has
A. hereditary sensory and autonomic neuropathy.
B. post traumatic stress disorder.
C. reflex sympathetic dystrophy.
Another name for pain receptors is
A. tactile corpuscles.
B. lamellated corpuscles.
Pain impulses are first processed in the
A. gray matter of the posterior horn.
B. motor cortex of the cerebrum.
C. dorsal root ganglion.
D. cerebral cortex.
Fibers of the spinothalamic tract transmit pain and temperature
information to the
A pole vaulter keeps track of his position in mid-air through
A. lamellated corpuscles.
B. pain receptors.
Pain receptors differ from other somatic receptors by
A. being stimulated only when pain comes from skeletal muscle.
B. adapting very little, if at all.
C. not being able to project impulses back to their origin.
D. adapting much more than other receptors.
Temperature senses use two types of
C. tactile corpuscles.
D. free nerve endings.
A. respond to factors that can damage tissue.
B. adapt rapidly.
C. are among the most specialized receptors.
D. are widely distributed in the brain.
The Golgi tendon organ is stimulated more when
A. muscles are metabolically active and produce oxygen.
B. muscle tension increases.
C. muscle tension decreases.
D. muscle tension stays the same.
As a result of the tympanic reflex,
A. the bridge of auditory ossicles becomes less rigid.
B. vibrations are transmitted more effectively to the inner ear.
C. the malleus is pulled toward the eardrum.
D. vibrations are transmitted less effectively to the inner ear
Taste receptors are
A. found only on the tongue.
B. unable to divide.
C. modified connective tissue cells.
D. modified epithelial cells.
Which of the following is not a primary taste sensation?
25. The hearing receptors are most closely associated with the
B. spiral organ.
The range of human hearing is about
A. 2,000-3,000 vibrations per second.
B. 2,000-200,000 vibrations per second.
C. 20-20,000 vibrations per second.
D. 2-2,000 vibrations per second.
Which of the following is part of the inner tunic of the eye?
C. Choroid coat
The lens of the eye thickens when the
A. suspensory ligaments pull on the lens capsule.
B. ciliary processes relax.
C. ciliary muscles relax.
D. ciliary muscles contrac
Visual sensations from images focused on the side of the retina are
A. there are no rods in this region.
B. there are more cones than rods in this region.
C. there are more rods than cones in this region.
D. the optic disc is located on the side of the retina.
The color receptors in the retina are most sensitive to light waves
A. red, green, and blue.
B. red, blue, and yellow.
C. green, yellow, and purple.
D. orange, green, and purple.