The nurse preceptor is teaching a newly licensed nurse about blood flow through the heart.
The nurse preceptor knows teaching has been effective when the newly licensed nurse states that the upper chambers of the heart are:.
The thickest part of the heart.
Where blood leaves.
Where blood enters.
Called ventricles.
The Correct Answer is C
Choice A rationale:
The thickest part of the heart is not the upper chambers but the lower chambers, specifically the left ventricle. This is because it needs to pump blood to the entire body.
Choice B rationale:
Blood leaves the heart through the lower chambers, or ventricles, not the upper chambers.
Choice C rationale:
Blood enters the heart through the upper chambers, or atria. This is where deoxygenated blood from the body and oxygenated blood from the lungs first enter the heart.
Choice D rationale:
The term “ventricles” refers to the lower chambers of the heart, not the upper chambers.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Vitamin A is a fat-soluble vitamin. Clients with acute pancreatitis often have difficulty absorbing fat, including fat-soluble vitamins, so supplementation may be necessary.
Choice B rationale:
Vitamin C is a water-soluble vitamin, not a fat-soluble vitamin.
Choice C rationale:
Vitamin B12 is a water-soluble vitamin, not a fat-soluble vitamin.
Choice D rationale:
Vitamin B is a water-soluble vitamin, not a fat-soluble vitamin.
Correct Answer is C
Explanation
Choice A rationale:
Metabolic alkalosis is incorrect because it would present with a high pH and high HCO3, which is not the case here.
Choice B rationale:
Respiratory acidosis is incorrect because it would present with a low pH and high PaCO2, which is not the case here.
Choice C rationale:
Metabolic acidosis is correct because it presents with a low pH and low HCO3, which matches the client’s ABG results.
Choice D rationale:
Respiratory alkalosis is incorrect because it would present with a high pH and low PaCO2, which is not the case here.
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