The nurse is educating her patient on the pumping efficacy of the heart.
The nurse knows that the patient understands the teaching when the patient states:
There are no chambers.
Large chambers called ventricles.
Small chambers called ventricles.
Large chambers called the atrium.
The Correct Answer is B
Choice A rationale:
This statement is incorrect because the heart has four chambers: two atria and two ventricles.
Choice B rationale:
This statement is correct. The heart has two large chambers called ventricles that pump blood out of the heart.
Choice C rationale:
This statement is incorrect because the ventricles are the larger chambers of the heart, not the smaller ones.
Choice D rationale:
This statement is incorrect because the atria are the smaller chambers of the heart, not the larger ones.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Hyperventilation is a compensatory mechanism for metabolic acidosis, not a cause. It helps to eliminate carbon dioxide, a weak acid, to balance the pH.
Choice B rationale:
Diarrhea causes loss of bicarbonate, a base, from the body. This can lead to metabolic acidosis as there is an excess of acids.
Choice C rationale:
Salicylate intoxication can cause both respiratory alkalosis and metabolic acidosis. However, it is not the most common cause of metabolic acidosis.
Choice D rationale:
Vomiting leads to loss of gastric acid, a strong acid. This usually results in metabolic alkalosis, not acidosis.
Correct Answer is B
Explanation
Choice A rationale:
Placing the client in a modified Trendelenburg position is not the first action to take when managing a heavily bleeding wound.
Choice B rationale:
Applying direct pressure to the wound is the first action to take to control bleeding.
Choice C rationale:
Elevating the extremity can help control bleeding, but it is not the first action to take.
Choice D rationale:
Applying a tourniquet is a last resort when other methods of controlling bleeding have failed.
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