A nurse is reinforcing discharge teaching for a client who will be taking warfarin (Coumadin) at home. Which of the following statements indicates that the client understands the effects of this medication?
"I'll use my electric razor for shaving."
"I'll be sure to eat foods with lots of vitamin K."
"It's okay to have a couple of glasses of wine with dinner."
"I'll take aspirin for my headaches."
The Correct Answer is A
A. "I'll use my electric razor for shaving." This is correct as using an electric razor helps prevent cuts, which is important since warfarin increases bleeding risk.
B. "I'll be sure to eat foods with lots of vitamin K." Vitamin K reduces the effectiveness of warfarin; clients should be consistent with their intake of vitamin K to avoid fluctuations in INR.
C. "It's okay to have a couple of glasses of wine with dinner." Alcohol can increase the effect of warfarin and the risk of bleeding. Clients should avoid or limit alcohol intake.
D. "I'll take aspirin for my headaches." Aspirin also has anticoagulant effects and can increase bleeding risk when taken with warfarin.
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Correct Answer is D
Explanation
A. Overweight. While weight can affect medication metabolism, it does not specifically increase risk with pseudoephedrine.
B. Migraine headaches. Migraine headaches are not contraindicated with pseudoephedrine, although some stimulants can increase headaches.
C. Eczema. Pseudoephedrine does not typically affect eczema.
D. Hypertension. Pseudoephedrine is a decongestant that can increase blood pressure, so it should be used with caution in clients with hypertension.
Correct Answer is A
Explanation
A. Cerebral blood flow. MAP is crucial for maintaining adequate cerebral perfusion pressure, ensuring enough blood flow to the brain.
B. The client's intake and output needs. MAP does not directly influence intake and output needs; it is more directly related to blood flow and tissue perfusion.
C. Regulation of blood pressure. MAP is a measure of average blood pressure but not a regulator of it.
D. Resorption of cerebrospinal fluid. CSF resorption is not directly influenced by MAP; it’s regulated by intracranial pressure and other factors.