The major key to the clinical significance of atrial flutter is the
a. atrial rate.
b. ventricular response rate.
c. PR interval.
d. QRS duration.
B
The major factor underlying atrial flutter symptoms is the ventricular response rate. If the atrial rate is 300 and the atrioventricular (AV) conduction ratio is 4:1, the ventricular response rate is 75 beats/min and should be well tolerated. If, on the other hand, the atrial rate is 300 beats/min but the AV conduction ratio is 2:1, the corresponding ventricular rate of 150 beats/min may cause angina, acute heart failure, or other signs of cardiac decompensation.
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The nursing instructor is with a student nurse who is going to be changing an abdominal dressing. The first step is to provide the patient with information regarding the procedure
Which of the following is the best statement for completing this task? A) "The dressing change is often painful, and we will be giving you pain medication prior to the procedure so you do not have to worry." B) "During the dressing change, I will provide privacy at a time of your choosing, it should not be painful, and you can look at the incision and help with the procedure if you want to." C) "The dressing change should not be painful, but you can never be sure, and infection is always a concern." D) "The best time for doing a dressing change is during lunch so we are not interrupted. I will provide privacy, and it should not be painful."
The nurse is using presence to reduce the anxiety of a critically ill patient. What nursing behavior demonstrates an effective use of presence?
A) Staying in the patient's room to complete documentation B) Having a conversation in the patient's room that excludes the patient C) Maintaining eye contact with the patient during explanations D) Focusing on specific nursing care tasks while in the patient's room
The alpha cells of the pancreas secrete
a. glucagon. c. somatostatin. b. insulin. d. pancreatic polypeptide hormone.
In the recovery room, if a woman is asked to either raise her legs (knees extended) off the bed or to flex her knees, place her feet flat on the bed, and raise her buttocks well off the bed, most likely she is being tested to see if she:
1. has recovered from epidural or spinal anesthesia. 2. has hidden bleeding underneath her. 3. has regained some flexibility. 4. is a candidate to go home after 6 hours.