A client scheduled for surgery has a family history of malignant hyperthermia. The circulating nurse will be responsible for seeing that which medication is immediately available for administration?
1. Dantrolene sodium (Dantrium)
2. Baclofen (Lioresal)
3. Tizanidine (Zanaflex)
4. Orphenadrine (Myophen)
Correct Answer: 1
Rationale 1: Dantrolene is a direct-acting skeletal muscle relaxant that interferes with the release of calcium ions that produce hypermetabolism and intense muscle rigidity in malignant hyperthermia.
Rationale 2: Baclofen is a centrally acting muscle relaxant.
Rationale 3: Tizanidine is a centrally acting muscle relaxant.
Rationale 4: Orphenadrine is a centrally acting muscle relaxant.
Global Rationale: Dantrolene is a direct-acting skeletal muscle relaxant that interferes with the release of calcium ions that produce hypermetabolism and intense muscle rigidity in malignant hyperthermia. Baclofen is a centrally acting muscle relaxant. Tizanidine is a centrally acting muscle relaxant. Orphenadrine is a centrally acting muscle relaxant.
You might also like to view...
The microscopic examination of scrapings from the cervix, endocervix, or other mucous membranes to discover premalignant or malignant cells is called:
1. a bimanual palpation. 2. a rectovaginal palpation. 3. a Papanicolaou smear. 4. a four A's procedure.
A woman is 3 months pregnant. At her prenatal visit, she tells the nurse that she doesn't know what is happening; one minute she is happy that she is pregnant, and the next minute she cries for no reason
Which of the following responses by the nurse is most appropriate? 1. "Don't worry about it; you'll feel better in a month or so.". 2. "Have you talked to your husband about how you feel?" 3. "Perhaps you really don't want to be pregnant.". 4. "Hormone changes during pregnancy commonly result in mood swings.".
A child who weighs 44 pounds is prescribed an IV medication with a recommended dosage of 7.5 mg/kg/24 hours in three divided doses. What is the safe individual dose this child can receive?
a. 20 mg c. 40 mg b. 50 mg d. 100 mg
When starting a patient on levothyroxine for hypothyroidism the patient will need follow-up measurement of thyroid function in:
1. 2 weeks 2. 4 weeks 3. 2 months 4. 6 months