Karch's Focus on
Pharmacology 8th Ed. |
Chapter 22 Exam Questions
with Answers
A child with attention deficit hyperactivity disorder has been receiving methylphenidate for several
years. The prescriber has explained a plan to temporarily discontinue the drug. What rationale for this
action should the nurse explain? - Correct Answers: It needs to be determined if the child still has
symptoms that require treatment.
Rationale:
Periodically the drug therapy needs to be interrupted to determine if the child experiences a recurrence
of symptoms, which if they do occur, indicates the need for continued treatment. This is not done
because the plan is to switch drugs if the current drug is effective or because of an increased risk. The
absence of medicine will determine if he no longer needs the medication.
What is the central nervous system stimulant of choice to treat narcolepsy? - Correct Answers: Modafinil
The nurse expects to monitor a client's white blood count weekly when the client is prescribed: - Correct
Answers: Clozapine
The nurse is aware that CNS stimulants are prescribed for clients with ADHD because these medications
have what effect on behavior and attention? - Correct Answers: Improving
A client with schizophrenia has been taking haloperidol for several years. The care team and the client
have collaborated and chosen to transition the client to an atypical antipsychotic in an effort to reduce
adverse effects and maximize therapeutic effects. In order to reduce the client's risk of extrapyramidal
effects during the transition from haloperidol to an atypical antipsychotic, the care team should
implement which intervention? - Correct Answers: Gradually taper the dose of haloperidol.
A psychiatric nurse is discussing the advantages of atypical antipsychotics with the parents of a teenager
who has been diagnosed with schizophrenia. When comparing these drugs with the older, typical
antipsychotics, what advantage should the nurse cite? - Correct Answers: Reduced adverse effects
