NUR 521 CNS & PNS Drugs
A client has received atropine sulfate preoperatively. The nurse monitors the client for which of the following
adverse effects of the medication in the immediate postoperative period?
o Diarrhea
o Urinary retention
o Excessive salivation
o Bradycardia - correct answerurinary retention
A client recovering from a spinal cord injury has a great deal of spasticity. Which medication may be used to
control muscle spasticity?
o Baclofen (Lioresal)
o Methylprednisolone (Medrol)
o Lidocaine (Xylocaine)
o Phenytoin (Dilantin) - correct answerbaclofen (Lioresal)
Lorazepam (Ativan) should not be prescribed to which of the following patients with a seizure or sleep
disorder?
o A 30 year old male patient on no other medications
o A pregnant patient
o A 60 year old patient with nausea on chemotherapy
o A 30 year old male patient in status epilepticus - correct answera pregnant patient
A nurse is analyzing the laboratory studies on a client receiving dantrolene sodium (Dantrium). Which of the
following laboratory tests would identify an adverse effect associated with the administration of this
, medication?
o Platelet count determination
o Liver function tests
o Blood urea nitrogen level determination
o Creatinine level determination - correct answerliver function tests
Cyclobenzaprine hydrochloride (Flexeril) is prescribed for a client for muscle spasms. The nurse is reviewing the
client's record. Which of the following disorders, if noted in the record, would indicate a need to contact the
physician about the administration of this medication?
o Diabetes mellitus & high blood glucose
o Hyperthyroidism & arrhythmia
o Hypothyroidism & bradycardia
o Emphysema & wheezing - correct answerhyperthyroidism & arrhythmia
A client with a neurological disorder is being treated with the anticonvulsant drug carbamazepine (Tegretol),
400 mg orally daily. Which of the following would be monitored closely for an adverse effect of this
medication?
o Blood urea nitrogen level, 15 mg/dL
o platelet count of 75,000
o White blood cell count, 8000/mm3
o Red blood count of 5.0 m/L - correct answerplatelet count of 75,000
The anticonvulsant valproic acid (Depakene) achieves therapeutic effect by:
o Stimulates sodium channels in neurons to increase nerve impulse transmission.
o Enhancing the reuptake of norepinephrine and serotonin in the central nervous system.
o Blocking the effects of dopamine in the postsynaptic neuron.
o Blocking sodium and calcium channels & increasing the level of gamma-aminobutyric acid (GABA) in the CNS.
- correct answerblocking sodium and calcium channels & increasing the level of gamma-aminobutyric acid
(GABA) in the CNS
A client has received atropine sulfate preoperatively. The nurse monitors the client for which of the following
adverse effects of the medication in the immediate postoperative period?
o Diarrhea
o Urinary retention
o Excessive salivation
o Bradycardia - correct answerurinary retention
A client recovering from a spinal cord injury has a great deal of spasticity. Which medication may be used to
control muscle spasticity?
o Baclofen (Lioresal)
o Methylprednisolone (Medrol)
o Lidocaine (Xylocaine)
o Phenytoin (Dilantin) - correct answerbaclofen (Lioresal)
Lorazepam (Ativan) should not be prescribed to which of the following patients with a seizure or sleep
disorder?
o A 30 year old male patient on no other medications
o A pregnant patient
o A 60 year old patient with nausea on chemotherapy
o A 30 year old male patient in status epilepticus - correct answera pregnant patient
A nurse is analyzing the laboratory studies on a client receiving dantrolene sodium (Dantrium). Which of the
following laboratory tests would identify an adverse effect associated with the administration of this
, medication?
o Platelet count determination
o Liver function tests
o Blood urea nitrogen level determination
o Creatinine level determination - correct answerliver function tests
Cyclobenzaprine hydrochloride (Flexeril) is prescribed for a client for muscle spasms. The nurse is reviewing the
client's record. Which of the following disorders, if noted in the record, would indicate a need to contact the
physician about the administration of this medication?
o Diabetes mellitus & high blood glucose
o Hyperthyroidism & arrhythmia
o Hypothyroidism & bradycardia
o Emphysema & wheezing - correct answerhyperthyroidism & arrhythmia
A client with a neurological disorder is being treated with the anticonvulsant drug carbamazepine (Tegretol),
400 mg orally daily. Which of the following would be monitored closely for an adverse effect of this
medication?
o Blood urea nitrogen level, 15 mg/dL
o platelet count of 75,000
o White blood cell count, 8000/mm3
o Red blood count of 5.0 m/L - correct answerplatelet count of 75,000
The anticonvulsant valproic acid (Depakene) achieves therapeutic effect by:
o Stimulates sodium channels in neurons to increase nerve impulse transmission.
o Enhancing the reuptake of norepinephrine and serotonin in the central nervous system.
o Blocking the effects of dopamine in the postsynaptic neuron.
o Blocking sodium and calcium channels & increasing the level of gamma-aminobutyric acid (GABA) in the CNS.
- correct answerblocking sodium and calcium channels & increasing the level of gamma-aminobutyric acid
(GABA) in the CNS
