A nurse is caring for a client who has a sulfa allergy. Which of the following prescriptions should the nurse clarify with the provider?

The correct answer is: Choice A: Maintain direct pressure over the site.

Here's the rationale for each choice:

• Choice A: Maintain direct pressure over the site (CORRECT) This is the most important initial step in controlling bleeding for any patient, especially one with hemophilia who has a deficiency in clotting factors. Maintaining pressure directly on the wound helps to form a clot and stop the bleeding.
• Choice B: Check whether the bleeding has stopped While checking for bleeding cessation is important, it shouldn't be the immediate next step after applying a dressing. Maintaining pressure ensures the dressing remains effective. Once pressure is released, you can assess for continued bleeding.
• Choice C: Obtain a radial pulse Assessing the radial pulse is not directly related to managing the bleeding from the laceration. While it's a vital sign, it's not a priority in this situation.
• Choice D: Reinforce the dressing over the site While reinforcing the dressing might be necessary later if it becomes saturated with blood, maintaining direct pressure is the crucial first step.

Palpable area of induration, greater than 10 mm (0.4 in) in diameter. This indicates a positive tuberculin skin test (TST) reaction for a person with no known risk factors for TB infection. A positive TST reaction means that the person has been infected with Mycobacterium tuberculosis, the bacterium that causes TB disease, and needs further testing to confirm the diagnosis and rule out active TB disease.

The other choices are not correct because:

- Choice A. Nonpalpable area of redness, less than 5 mm (0.2 in) in diameter. This indicates a negative TST reaction for any person, regardless of their risk factors for TB infection. A negative TST reaction means that the person has not been infected with Mycobacterium tuberculosis or has a very low level of immune response to the bacterium.

- Choice B. Area of ecchymosis, greater than 12 mm (0.5 in) in diameter. This indicates a bruise or bleeding under the skin, not a TST reaction. Ecchymosis is not caused by the injection of tuberculin purified protein derivative (PPD) into the skin, but by trauma or injury to the blood vessels.

- Choice C. Tenderness at the injection site. This indicates a mild local reaction to the injection of tuberculin PPD into the skin, not a TST reaction. Tenderness is not measured in millimeters of induration (firm swelling), which is the standard way of reading TST results.