Touch

Directions:
Select the BEST response alternative for each of the questions below.


1. Touch receptors can be found in the epidermis and:
A) skull.
B) dermis.
C) muscle spindle.
D) spinothalamic pathway.
E) intrafusal muscle fibers.
2. The mechanoreceptors that have a slow adaptation rate and small receptive field size are known as:
A) Meissner corpuscles.
B) Ruffini endings.
C) Pacinian corpuscles.
D) Merkel cell neurite complexes.
E) Rigatoni Bundles.
3. Nociceptors transmit information about:
A) hot or cold stimuli.
B) noxious or painful stimuli.
C) muscular pain.
D) any stimuli that touch the skin.
E) body position.
4. The A-delta and C fibers are types of:
A) photoreceptors.
B) thermoreceptors.
C) nociceptors.
D) mechanoreceptors.
E) Both (b) and (c).
5. The ________ horn is the region at the rear of the spinal cord that receives inputs from receptors in the skin.
A) dorsal
B) ventral
C) medial
D) lateral
E) anterior
6. The term ________ means "mapped in correspondence to the skin."
A) topographic
B) somatosensory
C) somatotopic
D) kinesthetic
E) skintopic
7. The story of soldiers in battle who did not feel painful wounds until the stress was over describes a damping of pain sensations known as:
A) analgesia.
B) blocked pain.
C) delayed pain perception.
D) phantom limb phenomenon.
E) battle frenzy.
8. The ________ is the minimum distance at which two stimuli are just perceptible as separate.
A) haptic separation threshold
B) simultaneous touch threshold
C) two-point touch threshold
D) bi-touch threshold
E) minimum two-touch distance
9. What role do fingerprint ridges play in touch sensations?
A) Surface textures fit into the grooves of the fingerprints, allowing us to recognize them.
B) They amplify frequencies important for perceiving surface texture.
C) They filter out frequencies not important for perceiving surface texture
D) Both (b) and (c).
E) None of the above.
10. The term ________ describes the center of a reference frame.
A) haptic center
B) haptic origin
C) kinesthetic origin
D) somatosensory origin
E) egocenter


End of Quiz!

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The correct answers are marked by a "C" in the box before each question. The incorrect questions are marked by an "X".