Nokea
A nurse in the post-anesthesia care unit is caring for a client who is experiencing malignant hyperthermia. Which of the following actions should the nurse take?(Select one that does not apply.)
- A. Place a cooling blanket on the client.
- B. Administer oxygen at 100%.
- C. Administer iced 0.9% sodium chloride.
- D. Administer blood, 0.1% sodium chloride.
Correct Answer: D
Rationale: Cooling , oxygen , iced saline , and temperature monitoring manage malignant hyperthermia.
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The major factor in terminating the action of ethanol is
- A. Biotransformation
- B. Excretion through lungs
- C. Excretion unchanged in urine
- D. Excretion in feces
Correct Answer: A
Rationale: Ethanol is primarily metabolized by the liver (biotransformation) via alcohol dehydrogenase.
Long-acting beta-agonists (LTBAs) received a Black Box Warning from the U.S. Food and Drug Administration due to the:
- A. Risk of life-threatening dermatological reactions
- B. Increased incidence of cardiac events when LTBAs are used
- C. Increased risk of asthma-related deaths when LTBAs are used
- D. Risk for life-threatening alterations in electrolytes
Correct Answer: C
Rationale: The FDA Black Box Warning for LTBAs highlights increased asthma-related mortality risk, not dermatologic , cardiac , or electrolyte issues.
Mutations in receptor tyrosine kinases would most likely be associated with :
- A. Neurologic diseases
- B. Endocrine diseases
- C. Cancers
- D. Metabolic abnormalities
Correct Answer: C
Rationale: Receptor tyrosine kinases are often linked to uncontrolled cell growth when mutated, commonly associated with cancers.
When assessing a patient prior to starting a drug regimen it is often necessary to have a baseline kidney function study done. What might kidney impairment indicate in relation to drug therapy?
- A. Pharmacodynamics stable at the therapeutic dose
- B. Contraindication to the use of a drug
- C. Increased dosage of a drug
- D. Decreased adverse effects of a drug
Correct Answer: B
Rationale: Kidney impairment may contraindicate certain drugs due to reduced clearance, risking toxicity.
A nurse is caring for an older adult client who has a new prescription for Digoxin and takes multiple other medications. The nurse should recognize that concurrent use of which of the following medications places the client at risk for Digoxin toxicity?
- A. Phenytoin
- B. Verapamil
- C. Warfarin
- D. Aluminum hydroxide
Correct Answer: B
Rationale: Verapamil increases digoxin levels by reducing clearance, risking toxicity.