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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Which of the following are well-perfused tissues?
- A. Brain
- B. Skeletal
- C. Bone
- D. Adipose
Correct Answer: A
Rationale: The brain is a well-perfused tissue due to its high blood flow, unlike skeletal muscle (moderate), bone (low), and adipose (poorly perfused).
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.
The nurse knows that which medication requires monitoring of thyroid function?
- A. Dofetilide
- B. Amiodarone
- C. Sotalol
- D. Flecainide
Correct Answer: B
Rationale: Amiodarone can cause hypo- or hyperthyroidism due to its iodine content, necessitating thyroid function monitoring.
Which of the following is a stimulative mechanism of insulin secretion:
- A. Hyperglicemia and decrease of intracellular ATP
- B. Increase of intracellular ATP and opening of ATP-depended K+ channels
- C. Increase of intracellular ATP and closure of ATP-depended K+ channels
- D. Closure of potential depended Ca+2 channels
Correct Answer: C
Rationale: Insulin secretion is stimulated by increased ATP closing K+ channels, depolarizing beta cells and opening Ca2+ channels.
The Combination of amoxycillin + clavulanic acid is used because
- A. It broadens the spectrum of amoxycillin
- B. It decreases the side effect of amoxycillin
- C. It decreases the toxicity of clavulanic acid
- D. It increases the oral bio availability of amoxycillin
Correct Answer: A
Rationale: Clavulanic acid inhibits beta-lactamases, broadening amoxicillin's spectrum.