In most patients, the sinoatrial (SA) and atrioventricular (AV) nodes are supplied by the _____ coronary artery
a. right
b. left main
c. circumflex
d. left anterior descending
A
The SA node receives its blood supply from the SA node artery that runs lengthwise through the center of the node. The SA node artery originates from the right coronary artery in about 60% of people. The AV node is supplied by the right coronary artery in 85% to 90% of the population. In the remainder, the circumflex artery provides the blood supply.
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Which of the following federal agencies is responsible for administering most of the federal health-related activities?
a. Centers for Disease Control and Prevention (CDC) b. Department of Health and Human Services (DHHS) c. Health Resources and Services Administration (HRSA) d. National Institutes of Health (NIH)
The nurse manager is curious as to how the client care staff is meeting process outcomes. On what should the manager focus when making this determination? (Select all that apply.)
1. Work flow 2. Quality of life 3. Patient education 4. Tasks and activities 5. Satisfaction with care
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A) "I need to bring the specimen to the lab the day after collecting it.". B) "I will place the specimen in a special plastic bag to transport it.". C) "I have to abstain from sexual activity for about 1–2 days before the sample.". D) "I will withdraw before I ejaculate during sex to collect the specimen.".
The nurse instructs the patient about postoperative coughing and deep-breathing exercises following abdominal surgery. Which technique should the nurse use to engage the patient in prevention of pneumonia and atelectasis?
a. Begin coughing and deep breathing when the patient is ready. b. Take a deep breath, hold it for 10 seconds, and exhale slowly. c. Support the incision when doing these ex-ercises. d. Begin coughing and deep breathing when the patient is wide awake.