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 A rationale
An exogenous infection occurs when a pathogen enters a patient’s body from their environment. For example, a healthcare worker can spread the infection due to poor adherence to infection control practices. This is not the case here as the infection is from the client’s own flora.
Choice B rationale
An endogenous infection is caused by the body’s normal flora. These microorganisms may act as opportunistic pathogens when the host is susceptible. In this case, the client’s systemic staphylococci infection originated from their own flora, making it an endogenous infection.
Choice C rationale
A community-acquired infection is one that was present or incubating prior to the patient being admitted to the hospital. Since the infection in this case originated from the client’s own flora and not from the community, this choice is incorrect.
Choice D rationale
A nosocomial infection, also known as a hospital-acquired infection, is an infection that is acquired in a hospital or other healthcare facility. Since the client’s infection originated from their own flora and not from the hospital environment, this choice is incorrect.
Correct Answer is C
Explanation
Choice A rationale
Advocacy in nursing refers to supporting, promoting, and protecting the rights, safety, and wellbeing of patients. While it is important for nurses to be able to explain their practice, this scenario does not specifically illustrate advocacy.
Choice B rationale
Autonomy in nursing refers to the right of patients to make informed decisions about their medical care. This scenario does not specifically illustrate autonomy.
Choice C rationale
Accountability in nursing refers to being answerable for one’s actions and practice. The ability to explain one’s practice to patients and employers is a key aspect of accountability.
Choice D rationale
Responsibility in nursing refers to the obligations and duties that come with the nursing role. While being able to explain one’s practice is part of a nurse’s responsibilities, it is more directly related to accountability.
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