Raynaud phenomenon is an example of which type of hypersensitivity?
a. IV
b. III
c. II
d I
Answer: b. III
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A patient states that he is seeing halos around lights. The patient takes digoxin (Lanoxin) by mouth every day. The physician orders the patient to have serum digoxin level drawn
At what digoxin level would the care team first suspect that the patient is experiencing toxicity? A) 0.5 ng/mL B) 1.5 ng/mL C) 3.0 ng/mL D) 6.0 ng/mL
A physician has ordered continuous pulse oximetry. What should the nurse explain to the patient about this procedure?
a. Involves a single prick b. Measures the amount of oxygen in the blood c. Is applied to the wrist d. Identifies damaged cells in the myocar-dium
The client who is being discharged after cataract surgery is a nursing home resident. For what activities should the nurse instruct this client to use an eye shield?
A. The client should have the eye shield in place 24 hours a day for the first 2 weeks after surgery. B. The client should have the eye shield in place when engaging in activities that require bending. C. An eye shield is not needed, because this client is not in an environment where protection is needed. D. An eye shield should be applied when the client is ready for bed.
A laboratory result indicates that the peak level for a drug is above the minimum toxic concentration. This means that the:
1. Concentration will produce therapeutic effects 2. Concentration will produce an adverse response 3. Time between doses must be shortened 4. Duration of action of the drug is too long