A nurse is assessing a client who is receiving oxygen therapy. Which of the following findings should the nurse identify as a late manifestation of hypoxia?

Bradypnea

Restlessness

Hypertension

Tachycardia

Answer and Explanation

The Correct Answer is D

A. Bradypnea: Bradypnea (slow breathing) is not a typical late sign of hypoxia. Instead, clients with worsening hypoxia often develop tachypnea (rapid breathing) as the body tries to compensate for low oxygen levels.

B. Restlessness: Restlessness is an early sign of hypoxia, not a late one. It occurs due to inadequate oxygenation of the brain, leading to agitation and confusion.

C. Hypertension: Hypertension can be an early response to hypoxia as the body attempts to increase oxygen delivery. However, as hypoxia progresses, blood pressure may drop due to worsening oxygen deprivation.

D. Tachycardia: Tachycardia (increased heart rate) is a late sign of hypoxia. The heart compensates for low oxygen levels by increasing cardiac output. However, if untreated, hypoxia can progress to bradycardia and cardiac arrest.

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Correct Answer is A

Explanation

A. "The body produces antibodies in response to an antigen with active immunity." Active immunity develops after exposure to an antigen, leading to antibody production.

B. "There is lifelong immunity with passive immunity." Passive immunity is temporary (e.g., maternal antibodies).

C. "The body is able to recognize previous exposure to antigens with passive immunity." Passive immunity does not create immune memory.

D. "There is a short duration of immunity with active immunity." Active immunity is long-lasting and sometimes lifelong.

A. Increase in subcutaneous tissue B. Decrease in pigmentation C. Increase in moisture levels D. Decrease in elasticity

Correct Answer is D

Explanation

A. Increase in subcutaneous tissue. Aging is associated with a decrease in subcutaneous fat, especially in the face, hands, and lower extremities, leading to thinner and more fragile skin.

B. Decrease in pigmentation. While some areas may lose pigmentation (e.g., hair turning gray), the skin often develops age spots or hyperpigmentation due to prolonged sun exposure.

C. Increase in moisture levels. Aging skin produces less sebum, leading to dryness rather than increased moisture.

D. Decrease in elasticity. Collagen and elastin fibers in the skin break down over time, leading to decreased skin elasticity, which contributes to wrinkles and sagging.

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A nurse is assessing a client who is receiving oxygen therapy. Which of the following findings should the nurse identify as a late manifestation of hypoxia?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

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Correct Answer is A

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Correct Answer is D

Explanation

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