A client diagnosed with hypertension is prescribed carvedilol (Coreg) and complains of dizziness and faintness immediately after taking this medication. The nurse knows that this effect is due to the action of which receptors?
1. Beta2 receptors only
2. Beta1 and beta2 receptors
3. Beta1 receptors only
4. Alpha1, beta1, and beta2 receptors
Correct Answer: 4
Rationale 1: Carvedilol (Coreg) is classified as a nonselective beta blocker, blocking both the beta1 and beta2 receptors as well as the alpha1 receptors and not just the beta2 receptors.
Rationale 2: Carvedilol (Coreg) is classified as a nonselective beta blocker, blocking both the beta1 and beta2 receptors as well as the alpha1 receptors, not just the beta receptors.
Rationale 3: Carvedilol (Coreg) is classified as a nonselective beta blocker, blocking both the beta1 and beta2 receptors as well as the alpha1 receptors, not just the beta1 receptors.
Rationale 4: Carvedilol (Coreg) is classified as a nonselective beta blocker, blocking both the beta1 and beta2 receptors as well as the alpha1 receptors. The dizziness and faintness are due to its effect on all of these receptors.
Global Rationale: Carvedilol (Coreg) is classified as a nonselective beta blocker, blocking both the beta1 and beta2 receptors as well as the alpha1 receptors. The dizziness and faintness are due to its effect on all of these receptors.
You might also like to view...
Which of the following statements about religious support systems in the health care setting is TRUE?
a. They may not recognize the client's spiritual needs. b. They are part of the client's health care team. c. They consist exclusively of ministers, priests, and rabbis. d. They provide religious freedom for the client.
Which early nursing leader founded the first training school for nurses that would later become a model for early nursing education?
a. Dorothea Dix b. Florence Nightingale c. Clara Barton d. Mary Ann Bickerdyke
A patient is admitted with symptoms of an ischemic stroke. After further evaluation, it is determined that the patient is not a candidate for thrombolytic therapy
What interventions would be appropriate to reduce the patient's blood pressure? Note: Credit will be given only if all correct choices and no incorrect choices are selected. Select all that apply. 1. Assess for pain when measuring blood pressure. 2. Assess for bladder distention. 3. Assess neurologic function with every blood pressure assessment. 4. Administer medication to reduce blood pressure by 15% over 24 hours. 5. Provide antihypertensive medication to reduce pressure to normal levels.
The client has been abusing alcohol for several years and tells the nurse, "I used to drink a pint of whiskey every day. Now I get sick and pass out after just two drinks." What does the nurse correctly recognize about this client?
1. The client has brain damage from the alcohol and cannot remember how much he consumes. 2. The client is in denial and most likely is misrepresenting the amount of alcohol he consumes. 3. The client could have liver damage, resulting in an inability to metabolize large amounts of alcohol. 4. The client's symptoms are related to hyperglycemia; he might have pancreatic damage.