CH 13 NCLEX PREP

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created 2 years ago by val0rie
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pharmacology
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1

A child is prescribed methylphenidate (Ritalin) to treat attention deficit hyperactivity disorder (ADHD). The parent expresses concern about using a controlled substance to treat ADHD and asks the nurse about using a noncontrolled substance. The nurse knows ADHD can be treated with which noncontrolled substance?

Atomoxetine (Strattera)

2

A patient diagnosed with narcolepsy is prescribed a central nervous system (CNS) stimulant. Which statement best describes the action of CNS stimulants?

CNS stimulants increase release of and block reuptake of neurotransmitters.

3

The nurse explains to a patient that using caffeine may exacerbate which health condition?

Cardiac dysrhythmias

4

Which instructions should the nurse discuss to reduce the gastrointestinal (GI) adverse effects of orlistat (Xenical)?

Limit dietary intake of fat.

5

Ergot alkaloids exert their therapeutic effect by which action?

Vasoconstriction.

6

A nurse working with patients who are diagnosed with ADHD is aware that such patients often take CNS stimulant drugs. These medications are potent with a high potential for abuse and dependence. Based on this potential, how are these medications classified?

Schedule II

7

The nurse is providing care for a neonate diagnosed with apnea of prematurity. The prescription by the health care provider is for caffeine citrate intravenously 5 mg/kg once daily. The infant's weight is 5.4 lb. What is the correct dosage to administer to the patient?

12.3 mg

8

A patient with narcolepsy is prescribed methylphenidate (Ritalin). Which adverse effects should the nurse include in the teaching of this drug? (Select all that apply.)

Insomnia

Headache

Weightloss