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After teaching a group of nursing students about adrenergic drugs and their effects, the instructor determines that the teaching was successful when the students identify which of the following as an effect of these drugs?
- A. Decreased myocardial contractility
- B. Vasodilation
- C. Increased cardiac output
- D. Improved airway clearance
Correct Answer: C
Rationale: Adrenergic drugs increase myocardial contractility and heart rate, leading to increased cardiac output.
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A nurse is reviewing the effects of adrenergic drugs on the body. The nurse demonstrates understanding of this group of drugs by identifying that which of the following would occur if the drug stimulates beta-1 receptors?
- A. Vasoconstriction of peripheral blood vessels
- B. Decreased gastrointestinal tract secretions
- C. Increased force of myocardial contractions
- D. Bronchodilation
Correct Answer: C
Rationale: Beta-1 receptor stimulation increases heart rate and myocardial contractility, enhancing cardiac output.
While assessing a client, the nurse observes hives and flushing. The client reports itching and a tightness in the throat. The nurse would identify which of the following nursing diagnoses?
- A. Risk for Allergy Response
- B. Ineffective Tissue Perfusion
- C. Decreased Cardiac Output
- D. Risk for Injury
Correct Answer: A
Rationale: Hives, flushing, itching, and throat tightness indicate an allergic reaction, making Risk for Allergy Response the appropriate nursing diagnosis.
The nurse is reviewing the medical records of several clients. The nurse integrates knowledge of the drug isoproterenol, understanding that this drug would be contraindicated in a client with which condition?
- A. Digitalis toxicity
- B. Type 2 diabetes
- C. Ventricular arrhythmias
- D. Angina pectoris
- E. Narrow-angle glaucoma
Correct Answer: A,C,D
Rationale: Isoproterenol is contraindicated in conditions like digitalis toxicity, ventricular arrhythmias, and angina pectoris due to its stimulatory effects on the heart, which could exacerbate these conditions.
A client is to receive midodrine. Which of the following would the nurse include in the plan of care to ensure that the client doesn't develop supine hypertension?
- A. Administer midodrine during the day.
- B. Ensure that the client is lying in a supine position.
- C. Instruct the client to regularly shift positions.
- D. Assist the client when moving out of bed.
Correct Answer: A
Rationale: Administering midodrine during the day reduces the risk of supine hypertension, which is more likely when the client is lying down for extended periods.
A nurse is caring for a client who has recently suffered an acute myocardial infarction. The nurse would closely monitor this client for which of the following that would suggest that the client is developing shock?
- A. Increased blood pressure
- B. Decreased urinary output
- C. Hypoxia
- D. Tachypnea
- E. Bradycardia
Correct Answer: B,C,D
Rationale: Signs of shock include decreased urinary output, hypoxia, and tachypnea due to inadequate tissue perfusion. Increased blood pressure and bradycardia are not typical signs of shock.