NUR170 EXAM 4 2026 CERTIFICATION TEST
QUESTIONS AND ANSWERS UPDATED
◉ How does sensory deprivation occur? Answer: Sensory
deprivation occurs when there is a
deficiency of meaningful stimuli in the person's
environment
◉ What are the signs of sensory deprivation? Answer: 1. Irritability
2. Confusion
3. Reduced attention span
4. Drowsiness
5. Depression
6. Preoccupation with somatic complaints
7. Delusions
8. Hallucinations
◉ How does sensory overload occur? Answer: Sensory overload
develops when either environmental or internal stimuli—or a
combination of both— exceed a higher level than the client's
sensory system
can effectively process.
,◉ Identify signs of sensory overload Answer: 1. Irritability
2. Confusion
3. Reduced attention span
4. Decreased problem-solving ability
5. Drowsiness
6. Muscle tension
7. Anxiety
8. Inability to concentrate
9. Decreased ability to perform tasks
10. Restlessness
11. Disorientation
◉ Identify factors that may impair sense of taste Answer: 1.
Impaired smell
2. Xerostomia
3. Upper respiratory tract infections
4. Smoking
5. Vitamin B12 or zince deficiency
6. Injury to the mouth, nose, or head
7. Medications
,◉ How is the sense of smell triggered? Answer: The sense of smell is
triggered when chemoreceptors in the upper nasal cavities detect
vaporized chemicals.
◉ What areas of the body have the greatest number of tactile
receptors? Answer: Hands and face
◉ What is the difference between myopia and
hyperopia Answer: Myopia (Nearsightedness) is the ability to see
close objects well, but not distant objects
Hyperopia (Farsightedness) is the ability to see distant objects well,
but not near objects
◉ What is the difference between conduction deafness
and nerve deafness? Answer: Conduction deafness is caused by
problems affecting any structure that transmits vibrations. These
structures are in the outer and middle ear.
Nerve deafness is caused by damage to cranial
nerve VIII or the receptors in the cochlea.
◉ Identify areas you should assess for a client with
, known or suspected sensory alterations. Answer: 1. Factors affecting
sensory perception
2. Mental status
3. Level of consciousness
4. Recent changes in sensory stimulation
5. Use of sensory aids
6. Patient's environment
7. The support network
8. Focused examination of vision, hearing, taste, smell, touch, and
balance
◉ Identify at least two ways that you can assess vision
and hearing deficits at the bedside. Answer: Vision assessments.
Have the client read a newspaper, menu, or other printed matter and
observe the client for squinting. To assess distance, you might have
the client identify someone or an object across the room.
Hearing assessments. Observe conversations,
perform the whisper test
◉ Identify safety measures that may be used with
clients with visual impairment Answer: • Place eyeglasses within
easy reach.
QUESTIONS AND ANSWERS UPDATED
◉ How does sensory deprivation occur? Answer: Sensory
deprivation occurs when there is a
deficiency of meaningful stimuli in the person's
environment
◉ What are the signs of sensory deprivation? Answer: 1. Irritability
2. Confusion
3. Reduced attention span
4. Drowsiness
5. Depression
6. Preoccupation with somatic complaints
7. Delusions
8. Hallucinations
◉ How does sensory overload occur? Answer: Sensory overload
develops when either environmental or internal stimuli—or a
combination of both— exceed a higher level than the client's
sensory system
can effectively process.
,◉ Identify signs of sensory overload Answer: 1. Irritability
2. Confusion
3. Reduced attention span
4. Decreased problem-solving ability
5. Drowsiness
6. Muscle tension
7. Anxiety
8. Inability to concentrate
9. Decreased ability to perform tasks
10. Restlessness
11. Disorientation
◉ Identify factors that may impair sense of taste Answer: 1.
Impaired smell
2. Xerostomia
3. Upper respiratory tract infections
4. Smoking
5. Vitamin B12 or zince deficiency
6. Injury to the mouth, nose, or head
7. Medications
,◉ How is the sense of smell triggered? Answer: The sense of smell is
triggered when chemoreceptors in the upper nasal cavities detect
vaporized chemicals.
◉ What areas of the body have the greatest number of tactile
receptors? Answer: Hands and face
◉ What is the difference between myopia and
hyperopia Answer: Myopia (Nearsightedness) is the ability to see
close objects well, but not distant objects
Hyperopia (Farsightedness) is the ability to see distant objects well,
but not near objects
◉ What is the difference between conduction deafness
and nerve deafness? Answer: Conduction deafness is caused by
problems affecting any structure that transmits vibrations. These
structures are in the outer and middle ear.
Nerve deafness is caused by damage to cranial
nerve VIII or the receptors in the cochlea.
◉ Identify areas you should assess for a client with
, known or suspected sensory alterations. Answer: 1. Factors affecting
sensory perception
2. Mental status
3. Level of consciousness
4. Recent changes in sensory stimulation
5. Use of sensory aids
6. Patient's environment
7. The support network
8. Focused examination of vision, hearing, taste, smell, touch, and
balance
◉ Identify at least two ways that you can assess vision
and hearing deficits at the bedside. Answer: Vision assessments.
Have the client read a newspaper, menu, or other printed matter and
observe the client for squinting. To assess distance, you might have
the client identify someone or an object across the room.
Hearing assessments. Observe conversations,
perform the whisper test
◉ Identify safety measures that may be used with
clients with visual impairment Answer: • Place eyeglasses within
easy reach.
