Nokea
The health care provider tells the nurse that a client is to be started on a platelet inhibitor. About what drug does the nurse plan to teach the client?
- A. Clopidogrel (Flavix)
- B. Enoxaparin (Coumacidin)
- C. Retetplase (Retavase)
- D. Warfarin
Correct Answer: A
Rationale: Clopidogrel is a platelet inhibitor. Enoxaparin is an indirect thrombin inhibitor. Reteplase is a fibrinolytic agent. Warfarin is a vitamin K antagonist.
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A nursing student learns that many drugs can impair the immune system. Which drugs does this include?
- A. Acetaminophen
- B. Corticosteroids
- C. Antibiotics
- D. Antihistamines
Correct Answer: B
Rationale: Corticosteroids are known to suppress the immune system by reducing inflammation and immune responses. Acetaminophen, antibiotics, and antihistamines do not typically impair the immune system in the same way.
A nurse is caring for four clients. After reviewing today's laboratory results, which client should the nurse see first?
- A. Client with an international normalized ratio of 2.8
- B. Client with a platelet count of 128,000 / mm3.
- C. Client with a prothrombin time (PT) of 28 seconds
- D. Client with a red blood cell count of 5.1 million/L
Correct Answer: C
Rationale: A normal PT is 11 to 12.5 seconds. This client is at high risk of bleeding. The other values are within normal limits.
A client is receiving rivaroubahn (Xareth) and asks the nurse to explain how it works. What response by the nurse is best?
- A. It inhibits thrombin.
- B. It inhibits fibrinogen.
- C. It thin your blood.
- D. It thin your blood vitamin K.
Correct Answer: A
Rationale: Rivaroubahn is a direct thrombin inhibitor. It does not work on fibrinogen or vitamin K. It is not a blood thinner, although many clients call anticoagulants by this name.
A client is having a bone marrow biopsy today. What action by the nurse takes priority?
- A. Administer pain medication first.
- B. Ensure informed consent is obtained.
- C. Have the client shower in the morning.
- D. Provide emotional support.
Correct Answer: B
Rationale: A bone marrow biopsy is an invasive procedure that requires informed consent. Pain medication and sedation are important components of care for this client but do not take priority. The client may or may not need or be able to shower.
A nurse is assessing a dark-skinned client for pallor. What action is best?
- A. Assess the conjunctiva of the eye.
- B. Have the client open the hand widely.
- C. Look at the roof of the client's mouth.
- D. Palpate for areas of mild swelling.
Correct Answer: A
Rationale: To assess pallor in dark-skinned people, assess the conjunctiva of the eye or the mucous membranes. Looking at the roof of the mouth can reveal jaundice. Opening the hand widely is not related to pallor, nor is palpating for mild swelling.