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A nurse is caring for a client with pulmonary tuberculosis who is to receive several
antitubercular medications. Which of the first-line antitubercular medications is
associated with damage to the eighth cranial nerve?
1) Isoniazid (INH)
2) Rifampin (Rifadin)
3) Streptomycin
4) Ethambutol (Myambutol) - 🧠 ANSWER ✔✔Correct: 3 Streptomycin
Rationale: Streptomycin is ototoxic and can cause damage to the eighth cranial
nerve, resulting in deafness. Assessment for ringing or roaring in the ears, vertigo,
and hearing acuity should be made before, during, and after treatment. Isoniazid
does not affect the ear; however, blurred vision and optic neuritis, as well as
peripheral neuropathy, may occur. Rifampin does not affect hearing; however,
, visual disturbances may occur. Ethambutol does not affect hearing; however,
visual disturbances may occur.
A client who is to have brain surgery has a signed advance directive in the medical
record. In what situation should this document be used?
1) Discharge planning is not covered by insurance.
2) Client cannot consent to his or her own surgery.
3) Postoperative complications occur that require additional treatment.
4) In case of the client's death, there will be directions about which client's
belongings are to be given to family members. - 🧠 ANSWER ✔✔Correct 2
Rationale: Advance directives allow clients to designate another person to consent
to procedures if they are unable to do so. Advance directives are not related to
insurance. No information suggests the client cannot consent to treatment.
Directions for distribution of belongings should be stipulated in a will, not in an
advance directive.
What clinical indicators should the nurse expect a client with hyperkalemia to
exhibit? Select all that apply.
1) Tetany
2) Seizures
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