Nokea
A nurse assessing a client's IV catheter insertion site notes a hematoma. Which of the following actions should the nurse take? (Select all that apply.)
- A. Stop the infusion.
- B. Apply alcohol to the insertion site.
- C. Apply warm compresses to the insertion site
- D. Lower the client's arm.
Correct Answer: C
Rationale: Warm compresses and elevation reduce swelling and promote absorption of a hematoma.
You may also like to solve these questions
Treatment goals in prescribing should:
- A. Always be curative
- B. Be patient-centered
- C. Be convenient for the provider
- D. Focus on the cost of therapy
Correct Answer: B
Rationale: Patient-centered goals prioritize individual needs and outcomes, not just cure , provider convenience , or cost alone .
Decongestants such as pseudoephedrine (Sudafed):
- A. Are Schedule III drugs in all states
- B. Should not be prescribed or recommended for children under 4 years of age
- C. Are effective in treating the congestion children experience with the common cold
- D. May cause drowsiness in patients of all ages
Correct Answer: B
Rationale: Pseudoephedrine is unsafe for children under 4 due to serious side effects; it's not Schedule III , variably effective in kids , or typically sedating .
A pharmaceutical lab states that a drug causes negative side effects in 3 of every 100 patients. To confirm this affirmation, another laboratory chooses 5 people at random who have consumed the drug. What is the probability that none of the five patients experience side effects?
- A. 0.8687
- B. 0.1313
- C. 0.00847
- D. 0.0003
Correct Answer: A
Rationale: Using the binomial distribution with n=5, p=0.03, and q=0.97, the probability of zero side effects is calculated as P(X=0) = (5 choose 0) * 0.97^5 = 0.8687, as shown in the document.
A 60-year-old man with Type 2 diabetes mellitus is treated with pioglitazone. Which of the following phrases summarizes best this drug's main mechanism of action?
- A. Blocks intestinal carbohydrate absorption
- B. Causes glycosuria (increased renal glucose excretion)
- C. Increases hepatic gluconeogenesis
- D. Increases target tissue sensitivity to insulin
Correct Answer: D
Rationale: Pioglitazone enhances insulin sensitivity in target tissues like muscle and fat via PPAR-gamma activation.
The nurse caring for a patient who has tuberculosis and who is taking isoniazid, rifampin, and streptomycin reviews the medical record and notes the patient's sputum cultures reveal resistance to streptomycin. The nurse will expect the provider to order which drug?
- A. Isoniazid (INH)
- B. Pyrazinamide
- C. Rifampin (Rifadin)
- D. Streptomycin
Correct Answer: A
Rationale: INH is the prophylactic standard for TB contacts; other drugs aren't typically used alone for this. INH is the drug of choice for prophylactic treatment of patients who have had close contact with a patient who has tuberculosis.