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 B
Explanation
Choice B rationale
A potassium level of 6.4 mmol/K is above the normal range (3.5-5.0 mmol/L) and can be life- threatening. High potassium levels can lead to dangerous heart rhythms.
Correct Answer is B
Explanation
Choice A rationale
Respite care is temporary care provided to give the primary caregiver a break, which is not the primary need of a patient recovering from a hip fracture.
Choice B rationale
Home health care is the most appropriate service for a patient who has been discharged home and needs physical therapy. Home health care can provide a range of services, including physical therapy, in the patient’s home.
Choice C rationale
Wound care would be more appropriate for a patient with a wound or ulcer that requires regular dressing changes, not for a patient recovering from a hip fracture.
Choice D rationale
Hospice care is end-of-life care for patients with terminal illnesses. It is not appropriate for a patient recovering from a hip fracture.
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