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 C
Explanation
A. Cultural values regarding cleanliness vary, so it is inaccurate to assume uniform standards.
B. Judging the patient as placing "little importance" on hygiene due to appearance can lead to biases and does not consider the patient’s routine.
C. Diabetes may necessitate changes in hygiene practices, especially regarding foot care, to prevent complications. Education on optimal hygiene practices is essential for health management in diabetic patients.
D. While personal preferences influence hygiene, they can be adapted with appropriate education and guidance when necessary for health reasons.
Correct Answer is B
Explanation
A. "Risk for infection related to chest x-ray procedure" is not an appropriate diagnosis because a chest x-ray is a diagnostic tool, and pneumonia itself is the concern for infection.
B. "Impaired gas exchange related to alveolar-capillary membrane changes" is correct as pneumonia causes inflammation and consolidation in the lungs, which directly impacts gas exchange.
C. "Risk for deficient fluid volume related to dehydration" does not apply specifically to pneumonia unless the patient presents signs of dehydration, which is not indicated in the scenario.
D. "Ineffective breathing pattern related to pneumonia" could also be a valid diagnosis, but the primary concern given the information provided is gas exchange impairment.