What events take place during systole? Select all that apply.
The ventricles contract.
The ventricles relax.
The atria contract.
None of the above.
The Correct Answer is A
Choice A rationale
During systole, the ventricles contract to pump blood out of the heart to the body and lungs.
Choice B rationale
The ventricles relax during diastole, not systole.
Choice C rationale
The atria also contract during systole, but this occurs just before ventricular systole.
Choice D rationale
This choice is incorrect because both the ventricles and the atria contract during systole.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
Choice A rationale
It is a common practice for nurses to assess a patient’s respirations without explicitly stating so. This is because patients may alter their breathing pattern if they know it’s being observed.
Choice B rationale
Auscultating heart sounds using the bell of the stethoscope is a standard practice in nursing. The bell of the stethoscope is used specifically to listen to low-frequency sounds such as heart murmurs.
Choice C rationale
Assessing both carotid pulse sites at the same time is dangerous and should be avoided. This action can lead to reduced blood flow to the brain, possibly causing the patient to faint or experience a decrease in cerebral blood flow.
Choice D rationale
Cleaning the stethoscope between patient assessments is a recommended practice to prevent the spread of infections.
Correct Answer is A
Explanation
Choice A rationale
The client reports mild pain in the upper left arm at 2/10 on a scale of 0 to 10. This indicates that the interventions were effective in managing the pain associated with the infection and cellulitis.
Choice B rationale
The client’s early morning finger stick blood glucose (FSBG) was 97 mg/dL (5.4 mmol/L). This is within the normal range, indicating that the interventions were effective in maintaining the client’s blood glucose levels within the normal range.
Choice C rationale
The client’s left upper arm is slightly reddened when compared with the right upper arm. This could be a sign of inflammation or infection, suggesting that the interventions were ineffective in completely resolving the infection and cellulitis.
Choice D rationale
The client reports that her back is more achy since she came to the hospital. This could be due to a variety of factors, including the hospital bed or a lack of physical activity. It is unrelated to the expected outcomes of the interventions for the infection and cellulitis.
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