A nurse is caring for a client who has a WBC count of 20,000/mm3. Which of the following WBC abnormalities labels this finding?
Left Shift
Leukocytosis
Neutropenia
Leukopenia
The Correct Answer is B
A. Left Shift: This term refers to an increased number of immature neutrophils (bands) and is typically seen in bacterial infections but does not solely describe the high WBC count.
B. Leukocytosis: This term refers to an elevated WBC count above the normal range (typically >11,000/mm³) and may indicate infection, inflammation, or other conditions.
C. Neutropenia: Neutropenia refers to a decrease in neutrophils, not an elevated WBC count.
D. Leukopenia: Leukopenia is a decrease in WBC count, opposite of leukocytosis.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. "These organs assist with vitamin absorption."These organs are not involved in nutrient absorption.
B. "These organs are used in digestion." The thymus, spleen, and lymph nodes are not part of the digestive system.
C. "These organs are for immunity." These organs play essential roles in the immune system, including lymphocyte production, pathogen filtration, and immune response regulation.
D. "These organs regulate electrolyte balance." Electrolyte regulation is managed by the kidneys and endocrine system.
Correct Answer is D
Explanation
A. Cephalosporin: Though cephalosporins can cause allergic reactions, they are less commonly associated with serum sickness compared to penicillins.
B. Epinephrine: Epinephrine treats allergic reactions and does not cause serum sickness.
C. Diphenhydramine: Diphenhydramine is an antihistamine used to alleviate hypersensitivity reactions.
D. Penicillin or Sulfonamide: These medications are classic triggers for serum sickness, a delayed hypersensitivity reaction involving immune complex deposition.
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