Which of the following accurately describes the therapeutic action of the beta-blockers in the treatment of chronic heart failure?
A. Beta-blockers inhibit the release of renin, which in turn prevents the formation of angiotensin II, which causes vasoconstriction.
B. Beta-blockers reduce the conduction of electrical impulses from the atria, which increases the blood pressure.
C. Beta-blockers decrease the rate at which the heart beats and reduce the force of the contractions of the heart.
D. None of the above are correct.
Answer: C
You might also like to view...
The nurse is caring for a client who works as a doctor in a general hospital. He complains about the stressful condition of his job
Lately, he has become increasingly susceptible to colds, headaches, muscular tension, excessive tiredness, and many other symptoms. At what stage of stress is the client? A) Alarm stage B) Exhaustion stage C) Resistance stage D) Secondary stage
The nurse monitoring a client with adult respiratory distress syndrome (ARDS) would closely assess for
a. atelectasis. b. cor pulmonale. c. pneumonia. d. pulmonary edema.
Which activity is most likely to take place in the space known as social distance?
a. checking the client's IV c. rocking a baby b. leading a group dis-cussion d. assessing the client's pain
A client with intractable acute pain is undecided about the use of epidural pain management. What should the nurse explain about epidural analgesia? Select all that apply
1. "The chance of becoming addicted to pain medication is lower.". 2. "The effects of pain medication last much longer when this route is used.". 3. "The dose of medication can be lower because it isn't metabolized in the liver.". 4. "The narcotic moves quickly into the spinal cord and blocks the reception of pain.". 5. "The risk of developing side effects from pain medication is eliminated this route.".