What is the primary mechanism of action of Class 4 antiarrhythmic drugs?
A. They block adrenergic beta-1 receptors.
B. They block sodium channels.
C. They block potassium channels.
D. They block calcium channels in the sinoatrial (SA) and atrioventricular (AV) nodes.
Answer: D
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In the elderly, administering medication is a great concern for the nurse since these patients are more prone to side effects
The primary cause of this is: A. Altered circulation and renal function B. Accelerated gastrointestinal system C. Enlarged Lymph nodes D. Musculoskeletal system weakness
The client is concentrating, getting ready for the big competition. He feels energized and excited and is experiencing
1. panic. 2. mild anxiety. 3. severe anxiety. 4. moderate anxiety.
What are the three stages of grief?
a. anticipation, experience, and integration b. withdrawal, recovery, and engagement c. suppression, repression, and return d. shock, reality, and recovery
The nurse is measuring vital signs when the patient, who is standing, complains of dizziness. What is the nurse's priority intervention?
a. Call for immediate assistance. b. Help the patient to lie on the floor. c. Help the patient to a seated position. d. Inform the patient that the dizziness will pass.