A nurse is teaching a health class about the heart. Which information from the class members indicates teaching by the nurse is successful for the flow of blood through the heart, starting in the right atrium?
Left atrium, right ventricle, left ventricle
Left atrium, left ventricle, right ventricle
Right ventricle, left atrium, left ventricle
Right ventricle, left ventricle, left atrium
The Correct Answer is A
A. Blood flow starts from the right atrium, moves into the right ventricle, then to the lungs, where it is oxygenated and returns to the left atrium, and then flows into the left ventricle before being pumped into the aorta.
B. This sequence incorrectly places the left atrium before the right ventricle, which is not the correct flow of blood.
C. This sequence starts incorrectly with the right ventricle, skipping the left atrium entirely after blood is oxygenated.
D. This option also incorrectly starts with the right ventricle and does not include the proper sequence of blood flow.
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Correct Answer is ["A","B","C","D"]
Explanation
A. Asking about travel outside the United States helps identify potential exposure to infections that are more prevalent in certain areas.
B. Assessing handwashing techniques is crucial, as proper hand hygiene is a fundamental way to prevent infections.
C. Understanding the patient's perception of infection risk in their home environment can highlight potential areas for intervention.
D. Knowing the signs and symptoms of infection allows the nurse to evaluate the patient’s awareness and ability to recognize early signs of infection.
E. While mobility can affect overall health, it is not directly related to assessing the risk of infection.
F. Knowing who runs errands may provide context for the patient's support system, but it does not directly assess infection risk.
Correct Answer is C
Explanation
A. Atelectasis can occur in anyone, not just those with chronic conditions; this statement is incorrect.
B. While hyperventilation may temporarily open alveoli, it is not a preventative measure for atelectasis.
C. Breathing exercises, such as incentive spirometry or deep breathing, are effective in preventing atelectasis by promoting lung expansion and alveolar ventilation.
D. A chest tube is typically used to remove air or fluid from the pleural space, not for the treatment of atelectasis, which is often managed with respiratory therapies.