What is the principle function of blood flow in the cardiovascular system?
Bathe the cells in a nutrient rich media for nourishment.
Link cells to provide a means of communication with adjoining cells.
Maintain acid base balance to achieve homeostasis.
Provide oxygen and remove carbon dioxide and waste products.
The Correct Answer is D
The primary function of blood flow in the cardiovascular system is to deliver oxygen and nutrients to cells while removing carbon dioxide and waste products. This process is crucial for maintaining cellular function and overall homeostasis in the body.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Stimulation of the parasympathetic nervous system generally results in a decrease in heart rate (bradycardia) and can also influence respiratory rate. A heart rate of 56 bpm is indicative of parasympathetic activation. While the respiratory rate of 20/min is within the normal range, parasympathetic stimulation primarily affects heart rate more significantly.
Correct Answer is ["B","C","D"]
Explanation
Choice A reason:
Advising the patient he will have permanent memory loss is incorrect. While temporary memory loss can occur with ECT, it is not typically permanent. It is important to provide accurate information about potential side effects without causing unnecessary fear.
Choice B reason:
Authorizing MD signs off medical clearance that may require pre-op checklist to include EKG or lab work is an important consideration. Medical clearance ensures that the patient is physically fit for the procedure and helps identify any potential risks.
Choice C reason:
Signed informed consent by MD and patient and nurse follows up using “Teach Back Method” answering any further post-op or pre-op questions is essential. Informed consent ensures that the patient understands the procedure, risks, and benefits. The “Teach Back Method” confirms that the patient comprehends the information provided.
Choice D reason:
NPO after midnight and hold all meds unless specified such as a sip of water and blood pressure pill ordered by MD is a standard pre-op instruction. Fasting reduces the risk of aspiration during anesthesia, and holding medications ensures that the patient does not take anything that could interfere with the procedure.
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