NCLEX Pharmacology Quiz 21 Anesthetic And Narcotic Drugs
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Mr. Baltazar will be undergoing surgery with general anesthesia. The client should be given which of the following instructions preoperatively?
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Eat big breakfast
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Expect to be incontinent of urine postoperatively
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Double your medication doses
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Expect nausea. vomiting. shivering. and pain postoperatively.
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- 2.
A client received lidocaine viscous before a gastroscopy was performed. Following the procedure. the nurse places priority on what assessment?
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Return of the gag reflex
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Ability to urinate
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Abdominal pain
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Ability to stand
Correct Answer
A. Return of the gag reflexExplanation
Because the throat is anesthetized. monitor the client for return of the gag reflex before drinking or eating.Rate this question:
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- 3.
A preoperative patient receives atropine before induction of anesthesia. The nurse caring for this patient understands that this agent is used to prevent:
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Anxiety.
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Bradycardia.
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Dry mouth.
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Hypertension.
Correct Answer
A. Bradycardia.Explanation
Atropine. an anticholinergic drug. is used as an adjunct to anesthesia to counter the effects of vagal stimulation. which is caused by surgical manipulations that trigger parasympathetic reflexes. resulting in bradycardia. Atropine is not an anxiolytic. Atropine causes dry mouth and sometimes is used to minimize bronchial secretions.Rate this question:
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- 4.
General anesthetics potentiate the effects of which of the following drugs?
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Depolarizing agents
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Skeletal muscle relaxants
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Volatile liquids
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Inhalation anesthetics
Correct Answer
A. Skeletal muscle relaxantsExplanation
The effects of skeletal muscle relaxants are potentiated with the use of the general anesthetics. Depolarizing agents do not interact with general anesthetics. C and D are general anesthetics.Rate this question:
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- 5.
Early signs and symptoms of local anesthetic toxicity include ALL BUT ONE of the following. Indicate the exception:
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Tinnitus
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Perioral numbness
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Dizziness
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Hypertension
Correct Answer
A. HypertensionExplanation
Manifestations of local anesthetic toxicity typically appear 1-5 minutes after the injection. but onset may range from 30 seconds to as long as 60 minutes. Initial manifestations may also vary widely. Classically. patients experience symptoms of central nervous system (CNS) excitement such as the following: Circumoral and/or tongue numbness. metallic taste. lightheadedness. dizziness. visual and auditory disturbances (difficulty focusing and tinnitus). disorientation and drowsiness.Rate this question:
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- 6.
During surgery. there is an increased potential for arrhythmias when catecholamines are given with:
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Halothane (Fluothane)
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Digoxin (Lanoxin)
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Bupivacaine (Marcaine)
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Lidocaine (Xylocaine)
Correct Answer
A. Halothane (Fluothane)Explanation
Arrhythmias are a result of an interaction that can occur with halothane and catecholamines. Other choices do not interact with halothane to cause arrhythmias.Rate this question:
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- 7.
Geneva is reviewing for her upcoming quiz in Pharmacology. She should be aware that local and regional anesthesia act by:
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Inhibiting depolarization.
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Increasing depolarization.
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Producing a semiconscious state.
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Inhibiting motor movement.
Correct Answer
A. Inhibiting depolarization.Explanation
When local anesthesia is used. sensation is removed and the area anesthetized by inhibition of depolarization. Choice B is incorrect because the opposite is true. Choices C and D do not occur with local anesthesia.Rate this question:
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- 8.
The most dangerous metabolic side effect of general anesthesia that can occur during surgery is:
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Hyperglycemia
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Hyperthermia
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Hypoglycemia
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Hypothermia
Correct Answer
A. HyperthermiaExplanation
Malignant hyperthermia is the most dangerous metabolic side effect of general anesthesia.Rate this question:
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- 9.
Which of the following statements about shivering is correct?
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Shivering is a response controlled by the brainstem.
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Shivering can occur in the absence of hypothermia.
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Shivering is effectively treated with small doses of naloxone.
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Shivering is an uncomfortable. though harmless. effect of anesthesia.
Correct Answer
A. Shivering can occur in the absence of hypothermia.Explanation
Shivering can also appear after surgery. This is known as postanesthetic shivering.Rate this question:
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- 10.
The nurse teaching a client who will receive thiopental (Pentothal) as an anesthetic explains that what common adverse effects might occur?
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Headache
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Emergence delirium
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Nausea and vomiting
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Paralysis
Correct Answer
A. Emergence deliriumExplanation
Emergence delirium could occur postoperatively. and is characterized by hallucinations. confusion. and excitability.Rate this question:
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Aug 09, 2017Quiz Created by
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