A patient with a seizure disorder is exposed to a person with tuberculosis. The patient is taking phenytoin (Dilantin) and prophylactic isoniazid (INH)
Based on the interaction of the medications, the nurse anticipates that the effect of phenytoin will be:
a. significantly increased.
b. significantly decreased.
c. slightly increased.
d. negated completely.
ANS: B
INH is known to decrease the effectiveness of phenytoin.
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A patient who has received a heart transplant is taking cyclosporine, an immunosuppressant. What should the nurse emphasize during health education about infection prevention?
A) Eat a high-calorie, high-protein diet. B) Limit physical activity in order to conserve energy. C) Take prophylactic antibiotics as ordered. D) Perform frequent handwashing.
An older client is to undergo radiographic studies with contrast of the heart. What should the nurse ask as part of this client's pre-procedure assessment?
1. Ability to tolerate activity 2. Ability to breathe well during exercise 3. If the client has an allergy to seafood 4. Has the client signed the consent
What condition have studies confirmed occurs when adults and children do not get recommended hours of sleep at night?
A) Obesity B) Anxiety C) Diabetes D) Hypertension
Which statement explains how autonomic drugs affect synaptic transmission?
1. Drugs are frequently given to correct autonomic dysfunction. 2. Drugs used to prevent the normal destruction of the neurotransmitter cause the neurotransmitter to remain in the synapse for a longer period of time. 3. Drugs influence the release of neurotransmitters at the postganglionic site. 4. Drugs that decrease the degree of neurotransmitter synthesis stimulate autonomic responses.