Samuel, who has been diagnosed with lupus erythematosus, is prescribed a cytotoxic drug. His doctor explains that the drug is converted in the body to mercaptopurine, which exerts a cytotoxic effect. It inhibits the synthesis of purine nucleotides that are required for DNA synthesis. Which of the following drugs has Samuel been prescribed?
A. Cyclophosphamide
B. Azathioprine
C. Alefacept
D. Tacrolimus
Answer: B
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Which of the following would the nurse expect the physician to order for a client with hypothyroidism?
A) Levothyroxine sodium B) Methimazole C) Propranolol D) Propylthiouracil
Hormones involved in the regulation of blood glucose levels include growth hormone, epinephrine, glucagons, and:
1. insulin and parathyroid hormone. 2. insulin and glucocorticoids. 3. glucocorticoids and thyroxine. 4. estrogen and progesterone.
The nurse is reviewing lab work prior to administering a client's regularly scheduled subcutaneous injection of epoetin alfa
The nurse notes that the client's hematocrit has dropped from the last time lab was drawn. Which action by the nurse is the most appropriate? Standard Text: Select all that apply. 1. Discuss this finding with the client's health care provider immediately. 2. Schedule another hematocrit test tomorrow. 3. Give the epoetin alfa and hold pressure on the injection site for 5 minutes. 4. Ask the client, "How have you been feeling?" 5. Ask the lab to verify the lab results.
Identify the role of helper T-cell lymphocytes in regulating the activity of the immune system.
A. Helper T-cell lymphocytes are scavenger cells that engulf and digest infectious organisms and foreign substances. B. The function of helper T-cells is to recognize the foreign antigens presented to them by macrophages and other antigen-presenting cells. C. Helper T-cell lymphocytes function as antigen-presenting cells. D. All of these are correct.