Myocardial blood flow is unidirectional; the nurse knows that the correct pathway is which of the following?
a. Right atrium, right ventricle, left ventricle, left atrium
b. Right atrium, left atrium, right ventricle, left ventricle
c. Right atrium, right ventricle, left atrium, left ventricle
d. Right atrium, left atrium, left ventricle, right ventricle
ANS: C
Unoxygenated blood flows through the venae cavae into the right atrium, where it is pumped down to the right ventricle; the blood is then pumped out the pulmonary artery and is returned oxygenated via the pulmonary vein to the left atrium, where it flows to the left ventricle and is pumped out to the rest of the body via the aorta.
You might also like to view...
The nurse is making a home visit to a client who had a cesarean birth 3 days ago. Assessment reveals that she is complaining of intermittent pain, rating it as 8 on a scale of 1 to 10
She states, "I'm pretty tired. And with this pain, I haven't been drinking and eating like I should. The medication helps a bit but not much. My mom has been helping with the baby." Her incision is clean, dry, and intact. Which nursing diagnosis would the nurse identify as the priority for this client? A) Impaired skin integrity related to cesarean birth incision B) Fatigue related to effects of surgery and caretaking activities C) Imbalanced nutrition, less than body requirements, related to poor fluid and food intake D) Acute pain related to incision and cesarean birth
The 82-year-old client who had a total joint replacement today has just been returned to the medical-surgical unit from the postanesthesia recovery unit
Upon initial assessment, the client does not know where he is and does not seem to remember that he has just had surgery. What is the nurse's best action? A. Document the observation as the only action. B. Hold all medications for pain or sedation. C. Reorient the client at every interaction. D. Notify the surgeon immediately.
A nurse who is discharging a client is terminating the helping relationship. Which of the following actions might the nurse perform in this phase? Select all that apply
A) Making formal introductions B) Making a contract regarding the relationship C) Providing assistance to achieve goals D) Helping client perform activities of daily living E) Examining goals of the relationship to determine their achievement
A group of students is reviewing information about the etiology of generalized anxiety disorder (GAD). The students demonstrate understanding of this information when they identify which of the following as representing the bases for this disorder?
A) Inaccurate environmental danger assessment B) Exposure to multiple stressful life events C) Kindling caused by overstimulation D) Intense worry and stress about work or simple family life