The nurse is explaining how medications work to a group of peers and explains that disruption of a single step in any enzyme system disrupts what?
A) Cell life
B) Cell membrane
C) Cell receptor sites
D) Cell function
D
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If a single step in one of the many enzyme systems is blocked, normal cell function is disrupted. Cell life and cell membrane may be impacted by disruption of some enzymes but not all enzymes. Receptor sites would not be disrupted by disruption in a single step in the enzyme system.
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A nurse is explaining to a family member the pathophysiologic characteristic of vasogenic shock. What information should the nurse include?
a. The intravascular compartment fills beyond capacity, allowing fluid to leak out, compressing vital organs. b. The circulating volume causes excessive constriction of the vessels, causing blood pooling. c. Widely fluctuating blood pressures stimu-late vascular collapse, causing severe al-terations in peripheral perfusion. d. Although the circulating volume is intact, excessive vascular dilation causes drastic drops in the blood pressure.
A patient diagnosed with severe depression exhibits psychomotor retardation and a sense of worthlessness manifested in poor personal hygiene. The patient refuses to shower, stating, "I can't.". The nurse should:
a. not force the issue before a nurse-patient relationship has been established. b. matter-of-factly assist the patient to shower and dress in clean clothes. c. state that the patient will be required to shower the following morning. d. explain that others respond negatively to those with poor hygiene.
A nurse administers medications to older adults in a long-term care facility. Which of the following actions is most appropriate when the client with dementia is newly prescribed an antimuscarinic agent for urge urinary incontinence?
A) Administer with a full glass of water B) Assess the client for drooling and diarrhea C) Monitor the client closely for worsening cognitive impairment D) Toilet the client before administering the medication
From 2004 to 2008, the number of drugs that are very difficult to distinguish from each other _______
A. reduced by 50 percent B. increased by 1000 percent C. increased by about 10 percent D. nearly doubled