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OT 202 Neurophy /Cebu Doctors' University - Mandaue City
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OT 202 Neurophy /Cebu Doctors' University - Mandaue City
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SENSORY RECEPTORS 10. What is the area of the skin that is covered byan entire cluster of fibers from one pain fiber,
measuring frequently at 5 centimeters in diameter?
1. Receptors that never adapt completely
a. Perception field
a. Thermoreceptors
b. Stimulus field
b. Chemoreceptors
c. Receptor field
c. Nociceptors
d. Translation field
d. Mechanoreceptors
11. The mechanism of Adaptation occurs through:
2. Receptors that alert us to changes in sensory
a. Accommodation in the nerve fiber itself
stimuli and are in part responsible so that we can
b. Readjustment in the structure of the
cease paying attention to constant stimuli
receptor itself
a. Pacinian corpuscles
c. Both
b. Carotid baroreceptors
d. neither
c. Free nerve endings
12. Group 1b fibers from golgi tendon organs are
d. Golgi body receptor
classified as:
3. Receptors found in joints and muscles
a. G type A fibers
a. Proprioceptors
b. D- type A fibers
b. Chemoreceptors
c. B- type A fibers
c. Visceroceptors
d. A type A fibers
d. Nociceptors
13. Receptors that are useful in situations requiring
4. This is classified as a slowly adapting receptor
maintained information about a stimulus
a. Phasic
a. Phasic
b. Tonic
b. Tonic
c. Pacinian corpuscles
c. Mechanoreceptors
d. Hair base roots
d. Exteroceptors
5. If a BP cuff is inflated and kept at 200 mmHg, you
14. Receptors located within internal organs
suddenly feel pins and needles in your hand, the
a. Visceroreceptors
nociceptors are stimulated due to:
b. Proprioceptors
a. Impediment of normal blood flow
c. Mechanoreceptors
b. Irritation from the cuff
d. nociceptors
c. Wrong cuff used
15. Detect stimuli such as Oxygen and CO2 in the
d. Wrong arm used
blood:
6. When a wisp of cotton is swiped over your arm
a. Exteroceptors
while your arms are closed, which sensory
b. Nociceptors
receptors receive the stimulus?
c. Chemoreceptors
a. Thermoreceptors
d. thermoreceptors
b. Nociceptors
16. Central receptors include which of the following
c. Exteroceptors
functions:
d. Proprioceptors
a. Pain
7. When the spinothalamic neurons receive sensory
b. Vision
and pain afferents from the skin and internal organs
c. Vibration
and results to hypersensitivity, it is known as
d. pressure
a. Convergence from multiple sources
17. Peripheral receptors include which of the
b. Convergence from a single source
following functions:
c. Divergence from multiple sources
a. Smell
d. Amplifying divergence
b. Thermal
8. What process is involved when a signal is
c. Taste
transmitted into 2 directions from a neuronal pool?
d. Hearing
a. Amplifying divergence
18. Receptors that adapt completely in 2 days:
b. Convergence from a angle source
a. Aortic baroreceptors
c. Divergence into multiple tracts
b. Joint receptors
d. Convergence from multiple sources
c. Hairbase receptors
9. In the particular area of the skin, where is the
d. Pain receptors
greatest amount of stimulation felt?if a pin prick is
19. An example of receptor that detects damage to
delivered, in what part is the stimulation?
a structure
a. Cerebral part
a. Chemoreceptors in the carotid body
b. Peripheral parts
b. Receptors in the macula
c. Both
c. Free nerve endings
d. neither
, d. Receptors in the vestibular apparatus 30. Hair base receptors are classified as
a. tonic
20. Warm and cold receptors b. phasic
a. Baroreceptors c. Both
b. Chemoreceptors d. neither
c. Thermal receptors 31. Ruffini’s endings are classified as
d. Nociceptors a. Deep tissue sensibilities
21. Receptors with highly modified dendrites: b. Skin tactile sensibilities
a. Mechanical pressure c. Both
b. Pain d. neither
c. Temperature 32. Muscle spindle is classified under which of the
d. Light touch following
22. A change in blood pressure is an example of: a. Skin tactile sensibilities
a. Perception b. Deep tissue sensibilities
b. Stimulation c. Both
c. Sensation d. neither
d. awareness 33. The labelled line principle is exemplified by
23. Thirst is an example of which statement
a. Stimulation a. The specificity of a nerve fiber to carry
b. Sensation only one modality of sensation
c. Perception regardless of the kind of stimulus
d. Awareness b. Each kind of sensation we feel is carried
24. State of awareness of a stimulus is the definition by a single nerve
of c. Each kind of stimulus is carried by a single
a. Sensation modality of sensation
b. Perception d. A pinprick is interpreted as an itch or a
c. Translation pain due to several modalities of sensation
d. awareness carried by a single nerve
25. The process whereby a structure in the CNS 34. The sensitivity of rods and cones to light but
receives an action potential and converts it into a almost non responsive to changes in temperature
response exemplifies what principle:
a. Sensation a. Labelled line principle
b. Awareness b. Mutual compensation
c. Translation c. Differential sensitivity of receptors
d. perception d. Principle of accommodation
26. It is defined as any change in the environment 35. Group Ia fibers of the muscle spindles are
that can generate an impulse: classified under which of the following? Muscle
a. Sensation spindles fall under what category
b. Stimulus a. A- type A fibers
c. Awareness b. B- type A fibers
d. Transducer c. D- type A fibers
27. Which of the following is not an example of a d. Type C fibers
complex receptor? 36. Group of fibers carrying crude touch, pin prick
a. Vision pain and temperature sensations fall under which
b. Touch category of the Physiologic classification
c. Taste a. B type A fibers
d. smell b. G type A fibers
28. The feeling of fullness is carried by which c. D type A fibers
receptor? d. Type C fibers
a. Mechanoreceptors 37. Group IV unmyelinated fibers carrying pain, itch,
b. Nociceptors crude touch and temperature fall under what
c. Visceroceptors general classifications?
d. proprioceptors a. A type A fibers
29. Proprioceptors are responsible for b. B- type A fibers
a. Body movements c. G-type A fibers
b. Limb position d. Type C fibers
c. Both
d. neither
, 38. The use of increasing number of parallel fibers 47. Aside from tube joints, proprioceptors are also
to transmit different gradations of intensity is termed found in the following
as: a. Semicircular canals of the inner ear
a. Spatial summation b. Vestibular structures of the ear
b. Temporal summation c. Both
c. Divergence d. neither
d. convergence 48. Rods and cones are classified as:
39. This process is characteristic of the a. Nociceptors
corticospinal pathway in its control of the skeletal b. Mechanoreceptors
muscles c. Exteroceptors
a. Convergence from multiple sources d. Photoreceptors
b. Convergence from a single source 49. Free nerve endings are classified as
c. Amplifying divergence a. Skin tactile sensibilities
d. Divergence into multiple tracts b. Deep tissue sensibilities
40. This is a means of transmitting signals of c. Both
increasing strength by increasing the frequency of d. neither
nerve impulses in each fiber 50. Group Ib fibers from golgi tendon organs are
a. Divergence classified as
b. Spatial summation a. A type a fibers
c. Temporal summation b. B type a fibers
d. convergence c. D type A fibers
41. Most exteroreceptors are classified as d. G type A fibers
a. Phasic
b. Tonic
c. Both
d. neither
42. A receptor potential due to the opening of
which channel?
a. Calcium
b. Chloride
c. Potassium
d. Sodium
43. Light, color, odor and touch are examples of
a. Sensation
b. Awareness
c. Perception
d. Stimuli
44. What do sensory receptors have in common?
a. When stimulated, there is an increase in
the positivity of the membrane potential
due to the entry of sodium
b. When stimulated there is more negativity
due to chloride influx
c. When stimulated , there is no change in
the membrane potential
d. When stimulated, there is an increase in
the negativity in the membrane potential
45. Hair end organs are known to be
a. Deep tissue sensibilities
b. Skin tactile sensibilities
c. Both
d. Neither
46. Merkel’s discs are classified as
a. Skin tactile sensibilities
b. Deep tissue sensibilities
c. Both
d. neither
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