A client is in the clinic having had rhinorrhea and headache for the last 2 weeks. Which laboratory value alerts the nurse to the possibility of a type I hypersensitivity reaction?
a. White blood cell count, 8900/mm3
b. Eosinophils, 10%
c. Neutrophils, 65%
d. Hemoglobin, 14 g/dL
B
An increase in eosinophils indicates an allergic reaction (type I) or allergic rhinitis. Normal eo-sinophil count is 1% to 2%. The other laboratory values are normal.
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A client undergoes an indwelling catheter procedure as part of the treatment for acute urinary retention. Which of the following should the nurse always ensure during the procedure?
A) Check for signs of peritonitis. B) Check the color and cloudiness of the urine. C) Check proper anchoring of the tube. D) Check the stoma for bleeding or cyanosis.
Regarding the noncontraceptive medical effects of oral contraceptive pills (COCs), nurses should be aware that:
1. they can cause toxic shock syndrome if the prescription is wrong. 2. hormonal withdrawal bleeding usually is a bit more profuse than in normal men-struation and will last a week. 3. they increase the risk of endometrial and ovarian cancer. 4. their effectiveness can be altered by some over-the-counter medications and her-bal supplements.
The ratio of 3:8 converted to a percent is
A. 3.75%. B. 37.5%. C. 0.38%. D. 375%.
The immune system works to destroy pathogens by helping the body get rid of or resist the invasion of foreign materials. Which type of blood cell surrounds ingests and neutralizes pathogens?
A) Erythrocytes B) Macrophages C) Platelets D) Lymphocytes