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 A
Explanation
A. Scoliosis: Scoliosis is characterized by an abnormal lateral curvature of the spine, commonly detected during routine physical exams in school-aged children and adolescents. This is the correct diagnosis for the described symptom.
B. Ankylosis: Ankylosis refers to joint stiffness or immobility due to fusion of the bones, not a lateral curvature of the spine. It is typically associated with conditions like ankylosing spondylitis and does not describe a spinal curvature.
C. Kyphosis: Kyphosis involves an abnormal forward curvature of the spine, often resulting in a hunchback appearance. It is not the same as a lateral curvature and thus does not fit the description given.
D. Lordosis: Lordosis is characterized by an exaggerated inward curve of the lower spine, commonly referred to as swayback. It does not involve lateral curvature and therefore is not relevant to the described condition.
Correct Answer is D
Explanation
A. New onset of seizure disorder in the child's sibling: This does not contraindicate DTaP vaccination unless the child itself has a history of seizures or neurological disorders.
B. Evidence of sensitivity to egg antigens: DTaP vaccine is not contraindicated by egg allergy; this is more relevant to influenza vaccines.
C. Afebrile otitis media: This is not a contraindication for DTaP vaccination.
D. Temperature of 40.5° C (104.9° F) after last DTaP: A high fever following a previous dose of DTaP may indicate a severe reaction, necessitating caution or further evaluation before administering another dose.
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