A nurse is reviewing the medical record of a toddler who has moderate dehydration. Which of the following findings should the nurse expect?
Decreased hematocrit
Increased respiratory rate
Decreased heart rate
Increased platelet count
The Correct Answer is B
A. Decreased hematocrit: Hematocrit usually increases in dehydration due to the concentration of red blood cells in a smaller volume of plasma.
B. Increased respiratory rate: Dehydration can lead to tachypnea (increased respiratory rate) as the body attempts to compensate for the decreased blood volume and maintain oxygen delivery.
C. Decreased heart rate: Dehydration typically causes tachycardia (increased heart rate) as the body tries to maintain adequate blood circulation and pressure.
D. Increased platelet count: Dehydration does not typically affect platelet count significantly, though it may concentrate blood components, including platelets, making them appear elevated on a lab test.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. "You will need to take the entire prescription of antibiotics even if your symptoms improve." Atopic dermatitis is typically not treated with antibiotics unless there is a secondary bacterial infection. The standard treatment usually involves topical corticosteroids and emollients.
B. "The doctor will remove the lesions with liquid nitrogen." This is incorrect as liquid nitrogen is used for treating warts and certain types of skin lesions, not atopic dermatitis.
C. "The doctor might recommend an antihistamine to help control your symptoms." This is a correct statement. Antihistamines can help reduce itching and provide relief, which is a common symptom of atopic dermatitis.
D. "You can relieve your child's discomfort by applying warm compresses to the lesions." Warm compresses are not typically recommended for atopic dermatitis. Cool compresses or baths are more beneficial to reduce itching and inflammation.
Correct Answer is B
Explanation
A. Decreased hematocrit: Hematocrit usually increases in dehydration due to the concentration of red blood cells in a smaller volume of plasma.
B. Increased respiratory rate: Dehydration can lead to tachypnea (increased respiratory rate) as the body attempts to compensate for the decreased blood volume and maintain oxygen delivery.
C. Decreased heart rate: Dehydration typically causes tachycardia (increased heart rate) as the body tries to maintain adequate blood circulation and pressure.
D. Increased platelet count: Dehydration does not typically affect platelet count significantly, though it may concentrate blood components, including platelets, making them appear elevated on a lab test.
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