A nurse is attending a seminar about blood flow through the heart.
The hospital MD is conducting an inservice about blood flow in veins and arteries.
In the circulatory system, generally,.
Veins carry oxygenated blood away from the heart, while arteries carry deoxygenated blood toward the heart.
Veins carry deoxygenated blood away from the heart, while arteries carry oxygenated blood toward the heart.
Veins carry deoxygenated blood toward the heart, while arteries carry oxygenated blood away from the heart.
Veins carry oxygenated blood toward the heart, while arteries carry deoxygenated blood away from the heart.
The Correct Answer is C
Choice A rationale:
This statement is incorrect. Veins do not carry oxygenated blood away from the heart, and arteries do not carry deoxygenated blood toward the heart.
Choice B rationale:
This statement is incorrect. While it is true that veins carry deoxygenated blood, they carry it toward the heart, not away from it. Similarly, arteries carry oxygenated blood, but they carry it away from the heart, not toward it.
Choice C rationale:
This statement is correct. In the circulatory system, veins carry deoxygenated blood toward the heart, while arteries carry oxygenated blood away from the heart.
Choice D rationale:
This statement is incorrect. Veins do not carry oxygenated blood toward the heart, and arteries do not carry deoxygenated blood away from the heart.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Asking the client’s full name and date of birth is the most reliable method of identification.
Choice B rationale:
Verifying the client’s room number is not reliable because room assignments can change.
Choice C rationale:
Asking a family member to verify the client’s identity is not always possible or reliable.
Choice D rationale:
Checking the client’s name on the medication administration record (MAR) is important but should be done in conjunction with direct client identification.
Correct Answer is B
Explanation
The correct answer is choice B.
Choice A rationale:
A client who has NPO (nothing by mouth) status since midnight for an endoscopy could be at risk for fluid volume deficit. NPO status means the client has not been able to consume fluids orally, which could lead to a decrease in fluid intake. However, the risk is relatively low if the NPO status has only been in place since midnight and the client is otherwise healthy.
Choice B rationale:
A client who has heart failure and is receiving diuretic therapy is at a high risk for fluid volume deficit. Diuretics are used in heart failure to remove excess fluid from the body, but they can also lead to fluid volume deficit if not properly managed. This is because diuretics increase urine output, which can lead to a loss of fluid and electrolytes.
Choice C rationale:
A client who has gastroenteritis and is receiving oral fluids is not typically at risk for fluid volume deficit. Gastroenteritis can cause fluid loss through diarrhea and vomiting, but if the client is able to consume and retain oral fluids, they can usually maintain their fluid balance.
Choice D rationale:
A client who has end-stage kidney disease and will undergo dialysis could be at risk for fluid volume deficit, but this risk is typically well-managed during dialysis. Dialysis removes waste and excess fluid from the blood, and fluid intake is carefully monitored and adjusted based on the individual’s needs. Therefore, while there is a potential risk, it is usually well-controlled under the care of healthcare professionals.
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