A nurse is reporting a client’s laboratory tests to the provider to obtain a prescription for the client’s daily warfarin.
Which of the following laboratory tests should the nurse plan to report to obtain the prescription for the warfarin?

INR.

Fibrinogen level.

aPTT.

Platelet count.

Answer and Explanation

The Correct Answer is A

Warfarin is a vitamin K antagonist that inhibits the synthesis of factors II, VII, IX, and X in the liver. These factors are part of the extrinsic and common pathways of coagulation, which are measured by the prothrombin time (PT) and the international normalized ratio (INR). The INR is a standardized way of reporting the PT that accounts for the variability of different reagents and instruments. The INR is used to monitor the therapeutic effect of warfarin and to adjust the dose accordingly. The target INR range depends on the indication for warfarin, but it is usually between 2 and 3 for most conditions.

Choice B is wrong because fibrinogen level is not affected by warfarin.

Fibrinogen is a precursor of fibrin, which forms the final step of the coagulation cascade.

Fibrinogen level can be decreased in conditions such as disseminated intravascular coagulation (DIC), liver disease, or severe bleeding.

Choice C is wrong because aPTT is not affected by warfarin.

aPTT measures the intrinsic and common pathways of coagulation, which are mainly dependent on factors VIII, IX, XI, and XII.

These factors are not inhibited by warfarin.

aPTT is used to monitor the effect of heparin, a direct antithrombin agent that inhibits thrombin and factor Xa.

Choice D is wrong because platelet count is not affected by warfarin.

Platelets are cell fragments that adhere to damaged blood vessels and form aggregates to initiate hemostasis.

Platelet count can be decreased in conditions such as immune thrombocytopenia (ITP), heparin-induced thrombocytopenia (HIT), or bone marrow suppression.

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Correct Answer is C

Explanation

This is because the eyes of a deceased client do not close naturally and may remain open after death. Holding them shut for a few seconds helps to keep them closed and prevent drying of the corneas. This also gives a more peaceful appearance to the client’s body for the family visit.

Choice A is wrong because crossing the client’s arms across their chest is not a standard postmortem care procedure. It may also interfere with the placement of identification tags on the wrists.

Choice B is wrong because placing the client in a high-Fowler’s position is not necessary or appropriate for postmortem care. The client should be placed in a supine position with the head of the bed elevated to prevent livor mortis (purple discoloration of the skin) on the face.

Choice D is wrong because removing the client’s dentures from their mouth is not recommended for postmortem care. The dentures should be left in place to maintain the shape of the face and prevent the jaw from dropping.

Normal ranges are not applicable for this question as it does not involve any physiological measurements.

A. “Use a nebulizer to administer a bronchodilator following airway clearance therapy.” B. “Administer pancreatic enzymes on an empty stomach.” C. “Perform chest percussion and postural drainage at least twice daily.” D. “Restrict intake of foods that contain gluten.”

Correct Answer is C

Explanation

This is because chest percussion and postural drainage are airway clearance techniques that help remove thick mucus from the lungs of children who have cystic fibrosis. This can prevent respiratory infections and improve lung function.

Choice A is wrong because a bronchodilator should be administered before airway clearance therapy, not after. A bronchodilator helps open up the airways and make it easier to cough up mucus.

Choice B is wrong because pancreatic enzymes should be administered with meals and snacks, not on an empty stomach.

Pancreatic enzymes help digest fats, proteins, and carbohydrates in children who have cystic fibrosis. This can prevent malnutrition and growth failure.

Choice D is wrong because there is no need to restrict gluten intake for children who have cystic fibrosis, unless they also have celiac disease.

Gluten is a protein found in wheat, barley, and rye that can cause intestinal damage in people who have celiac disease. Cystic fibrosis does not affect the ability to tolerate gluten.

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A nurse is reporting a client’s laboratory tests to the provider to obtain a prescription for the client’s daily warfarin. Which of the following laboratory tests should the nurse plan to report to obtain the prescription for the warfarin?

Nursing Test Bank

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A nurse is reporting a client’s laboratory tests to the provider to obtain a prescription for the client’s daily warfarin.
Which of the following laboratory tests should the nurse plan to report to obtain the prescription for the warfarin?