Chapter 30. Sensation, Perception, & Cognition

Chapter 30. Sensation, Perception, & Cognition

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

MULTIPLE CHOICE

 

1. The nurse checks a patient’s pupils using a penlight. Which receptors is the nurse stimulating?

a)	Chemoreceptors
b)	Photoreceptors
c)	Proprioceptors
d)	Mechanoreceptors

 

 

ANS:  B

Photoreceptors located in the retina of the eyes detect visible light. Proprioceptors in the skin, muscles, tendons, ligaments, and joint capsules coordinate input to enable an individual to sense the position of the body in space. Chemoreceptors are located in the taste buds and epithelium of the nasal cavity. They play a role in taste and smell. Thermoreceptors in the skin detect variations in temperature. Mechanoreceptors in the skin and hair follicles detect touch, pressure, and vibration.

 

Difficulty: Easy

Nursing Process: Assessment

Client Need: PHSI

Cognitive Level: Application

 

PTS:   1

 

2. Which structure within the brain is responsible for consciousness and alertness?

a)	Reticular activating system
b)	Cerebellum
c)	Thalamus
d)	Hypothalamus

 

 

ANS:  A

The reticular activating system, located in the brainstem, controls consciousness and alertness. The cerebellum maintains muscle tone, coordinates muscle movement, and controls balance. The thalamus is a relay system for sensory stimuli. The hypothalamus controls body temperature.

 

Difficulty: Easy

Client Need: HPM

Cognitive Level: Knowledge

 

PTS:   1

 

3. The nurse has been teaching a parent about stimuli to develop her infant’s auditory nervous system. Which behavior by a parent toward the child provides evidence that learning occurred?

a)	Cuddling
b)	Speaking
c)	Feeding
d)	Soothing

 

 

ANS:  B

Exposure to voices, music, and ambient sound helps develop the infant’s auditory nervous system. Cuddling, feeding, and soothing provide comfort and pleasure and teach the infant about his external environment.

 

Difficulty: Easy

Nursing Process: Evaluation

Client Need: HPM

Cognitive Level: Knowledge

 

PTS:   1

 

4. A patient complains to the nurse that since taking a medication he has suffered from excessively dry mouth. What term should the nurse use to document this complaint?

a)	Exophthalmos
b)	Anosomia
c)	Insomnia
d)	Xerostomia

 

 

ANS:  D

The nurse should document excessively dry mouth as xerostomia. Exophthalmos is abnormal bulging of the eyeballs that commonly occurs with thyrotoxicosis. Anosomia is losing the sense of smell. Insomnia is inability to sleep.

 

Difficulty: Moderate

Nursing Process: Interventions

Client Need: PHSI

Cognitive Level: Comprehension

 

PTS:   1