The nurse is preparing to administer a beta-adreneric blocker to a client experiencing angina. A student nurse asks the nurse why the medication is being used to treat angina
Which mechanism of action with the nurse include in the response to the student?
1. Positive chronotropic effect
2. Antidysrhythmic effect
3. Positive inotropic effect
4. Negative inotropic effect
Correct Answer: 4
Rationale 1: Beta blockers decrease the workload of the heart by slowing heart rate (negative chronotropic effect) and reducing contractility (negative inotropic effect).
Rationale 2: Beta blockers decrease the workload of the heart by slowing heart rate (negative chronotropic effect) and reducing contractility (negative inotropic effect).
Rationale 3: Beta blockers decrease the workload of the heart by slowing heart rate (negative chronotropic effect) and reducing contractility (negative inotropic effect).
Rationale 4: Beta blockers decrease the workload of the heart by slowing heart rate (negative chronotropic effect) and reducing contractility (negative inotropic effect).
Global Rationale: Beta blockers decrease the workload of the heart by slowing heart rate (negative chronotropic effect) and reducing contractility (negative inotropic effect).
You might also like to view...
The nurse in an allergy clinic is assessing a new patient. The nurse is aware that histamine plays an important role in the immune response and that the effects of histamine can manifest in assessment findings
What response can occur as a result of histamine release? A) Constriction of small venules B) Contraction of bronchial smooth muscle C) Dilation of large blood vessels D) Decrease secretion of gastric and mucosal cells
Which instruction should be included in the teaching plan for a patient with a chronic wound?
A) Limit fluids to prevent edema. B) Limit food intake to reduce obesity. C) Stop smoking to improve wound healing. D) Maintain bedrest to avoid wound disruption.
A patient is having a blood test for serum electrolytes. Which of the following would be considered an anion?
a. sodium c. calcium b. potassium d. chloride
The nurse is preparing to discuss long-term care needs with a patient newly diagnosed with a chronic disease. The patient is of Latin American descent. The nurse will plan to take which action when teaching this patient?
a. Discussing long-term outcomes associated with compliance of the prescribed regimen b. Highlighting various traditional healing practices that will not be effective for this patient's care c. Providing factual information and answering all questions as they arise d. Providing teaching in increments, allowing periods of silence to allow assimilation of information