Nokea
Which explains why correcting strabismus in young children is important?
- A. Color vision may be lost.
- B. Amblyopia, a type of blindness, may result.
- C. Epicanthal folds may develop in the affected eye.
- D. Corneal light reflexes may fall symmetrically within each pupil.
Correct Answer: B
Rationale: By the age of 3 to 4 months, infants are able to fixate on one visual field with both eyes simultaneously. In strabismus, or cross-eye, one eye deviates from the point of fixation. If misalignment is constant, the weak eye becomes lazy, and the brain eventually suppresses the image produced from that eye. If strabismus is not detected and corrected by age 4 to 6 years, blindness from disuse, known as amblyopia, may occur. Color vision is not the only concern. Epicanthal folds are not related to amblyopia. In children with strabismus, the corneal light reflex will not be symmetric for each eye.
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Which is the most frequently used test for measuring visual acuity?
- A. Snellen letter chart
- B. Ishihara vision test
- C. Allen picture card test
- D. Denver eye screening test
Correct Answer: A
Rationale: The Snellen letter chart, which consists of lines of letters of decreasing size, is the most frequently used test for visual acuity. The Ishihara Vision Test is used for color vision. The Allen picture card test and Denver eye screening test involve single cards for children ages 2 years and older who are unable to use the Snellen letter chart.
Because children younger than 5 years are egocentric, the nurse should do which when communicating with them?
- A. Focus communication on the child.
- B. Use easy analogies when possible.
- C. Explain experiences of others to the child.
- D. Assure the child that communication is private.
Correct Answer: A
Rationale: Because children of this age are able to see things only in terms of themselves, the best approach is to focus communication directly on them. Children should be provided with information about what they can do and how they will feel. With children who are egocentric, analogies, experiences, and assurances that communication is private will not be effective because the child is not capable of understanding.
Rectal temperatures are indicated in which situation?
- A. In the newborn period
- B. Whenever accuracy is essential
- C. Rectal temperatures are never indicated
- D. When rapid temperature changes are occurring
Correct Answer: B
Rationale: Rectal temperatures are recommended when definitive measurements are necessary in infants older than age 1 month. Rectal temperatures are not done in the newborn period to avoid trauma to the rectal mucosa. Rectal temperature is an intrusive procedure that should be avoided whenever possible.
When the nurse interviews an adolescent, which is especially important?
- A. Focus the discussion on the peer group.
- B. Allow an opportunity to express feelings.
- C. Use the same type of language as the adolescent.
- D. Emphasize that confidentiality will always be maintained.
Correct Answer: B
Rationale: Adolescents, like all children, need opportunities to express their feelings. Often they interject feelings into their words. The nurse must be alert to the words and feelings expressed. The nurse should maintain a professional relationship with adolescents. To avoid misunderstanding or misinterpretation of words and phrases used, the nurse should clarify the terms used, what information will be shared with other members of the health care team, and any limits to confidentiality. Although the peer group is important to this age group, the interview should focus on the adolescent.
What is the earliest age at which a satisfactory radial pulse can be taken in children?
- A. 1 year
- B. 2 years
- C. 3 years
- D. 6 years
Correct Answer: B
Rationale: Satisfactory radial pulses can be taken in children older than 2 years. In infants and young children, the apical pulse is more reliable.