A client is prescribed a high-dose dopamine infusion. The nurse would expect to see an increase in blood pressure because of dopamine's effect on which receptors?
1. Alpha-1 adrenergic receptors
2. Dopaminergic receptors
3. Beta-2 adrenergic receptors
4. Beta-1 adrenergic receptors
Correct Answer: 1
Rationale 1: Stimulation of alpha-1 adrenergic receptors by high doses of dopamine causes vasoconstriction and increased blood pressure.
Rationale 2: Dopamine at low doses stimulates dopaminergic receptors, especially in the kidneys, causing vasodilation and increased renal blood flow and urine output.
Rationale 3: Dopamine at high doses has no effect on beta-2 adrenergic receptors.
Rationale 4: Stimulation of beta-1 adrenergic receptors causes the heart to beat more forcefully, thus increasing cardiac output.
Global Rationale: Stimulation of alpha-1 adrenergic receptors by high doses of dopamine causes vasoconstriction and increased blood pressure. Dopamine at low doses stimulates dopaminergic receptors, especially in the kidneys, causing vasodilation and increased renal blood flow and urine output. Dopamine at high doses has no effect on beta-2 adrenergic receptors. Stimulation of beta-1 adrenergic receptors causes the heart to beat more forcefully, thus increasing cardiac output.
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a. Administer nalmefene [Revex]. b. Contact the provider to obtain an order for naloxone [Narcan]. c. Question the patient about heroin use that day. d. Suspect that the patient exaggerated the amount of heroin used.
A pregnant client says her main concern is that her baby will be born healthy, even though she admits to drinking alcohol on a regular basis. With what should the nurse realize this client is struggling?
1. Values transmission 2. Values clarification 3. Morals 4. Ethics
A psychiatric nurse can make a nursing diagnosis and address it in the nursing care plan as a nursing concern when which of the following criteria are met?
a. The nursing diagnosis is probable or potential, but not yet substantiated by either objective or subjective assessment data. b. The nursing diagnosis must be substantiated by objective assessment data. c. The nursing diagnosis is substantiated by either objective or subjective assessment data. d. The client does not have to agree that it is an area of nursing concern nor desire nursing treatment for it.
Which of the following behaviors is associated with the defense mechanism of displacement?
A) After having a hard time at work, an individual comes home and yells at his spouse B) the patient refuses to speak about the problem with the nurse C) the individual takes on more responsibility at home D) the patient does not believe that he has an addiction