When evaluating the effectiveness of preoperative teaching with a client scheduled for coronary artery bypass graft (CABG) surgery using the internal mammary artery, the nurse determines that additional teaching is needed when the client says which of the following?
"They will circulate my blood on a machine during the surgery."
"I will need to take an aspirin every day after the surgery to keep the graft open."
"They will use an artery near my heart to go around the area that is blocked."
"I will have small incisions in my leg where they will remove the vein."
The Correct Answer is D
A. "They will circulate my blood on a machine during the surgery.": This is correct information regarding the use of a heart-lung machine during CABG.
B. "I will need to take an aspirin every day after the surgery to keep the graft open.": Daily aspirin therapy is standard to prevent graft occlusion, indicating correct understanding.
C. "They will use an artery near my heart to go around the area that is blocked.": This accurately describes using the internal mammary artery for the bypass, showing correct knowledge.
D. "I will have small incisions in my leg where they will remove the vein.": This indicates confusion, as the internal mammary artery, not leg veins, is used in this type of CABG.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. A small, mobile, rubbery lump is often benign, such as a fibroadenoma.
B. A nontender, fixed breast nodule is concerning for malignancy, and further evaluation is necessary, such as imaging or biopsy.
C. Tender, bilateral nodules are commonly seen in benign conditions like fibrocystic breast changes, especially related to the menstrual cycle.
D. A lump that changes in size before menstruation is also typical of benign conditions like fibrocystic changes.
Correct Answer is B
Explanation
A. Base deficit (HCO3): Acidosis: A base deficit indicates metabolic acidosis, but respiratory acidosis is more likely with the high rate of ventilation.
B. Acid excess (CO2): Acidosis: This is the correct answer. A high respiratory rate can lead to hyperventilation, decreasing CO2 levels and causing respiratory alkalosis, which may be a concern with an elevated rate.
C. Base excess (HCO3): Alkalosis: This would indicate metabolic alkalosis, but it is not as related to ventilator settings.
D. Acid deficit (CO2): Alkalosis: If the CO2 level is too low due to hyperventilation, this can lead to alkalosis, which the nurse is questioning here.
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