Dantrolene sodium (Dantrium) is prescribed for the client experiencing flexor spasms. The client asks the nurse how the medication is going to help. The nurse replies that this medication acts:
1. To depress the spinal reflexes causing the spasms
2. On the central nervous system (CNS) to suppress spasms
3. Directly on the skeletal muscle to relieve the spasms
4. Within the spinal cord to suppress excess reflex activity
3
Rationale: Dantrium acts directly on skeletal muscle to relieve muscle spasticity. The primary action is the suppression of calcium release from the sarcoplasmic reticulum. This in turn decreases the ability of the skeletal muscle to contract. The other options are incorrect.
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