A nurse is assessing a client who is postoperative following a coronary artery bypass graft surgery. The nurse should identify that which of the following findings is an early indication of cardiac tamponade?
Widening pulse pressure
Coarse lung sounds
Muffled heart sounds
Decreased jugular vein distention
The Correct Answer is C
A. Widening pulse pressure. This is typically associated with conditions like increased intracranial pressure or severe aortic regurgitation, not cardiac tamponade. Tamponade usually results in narrowed pulse pressure.
B. Coarse lung sounds. These may indicate fluid overload or pulmonary congestion, but they are not specific to cardiac tamponade and occur later or in different conditions.
C. Muffled heart sounds. This is a classic early sign of cardiac tamponade, caused by fluid accumulation in the pericardial sac, which dampens heart sounds on auscultation. It is part of Beck’s triad (muffled heart sounds, hypotension, and jugular vein distention).
D. Decreased jugular vein distention. In cardiac tamponade, jugular vein distention increases due to impaired venous return to the heart. Decreased JVD would be an unexpected finding in this condition.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Delayed. Delayed grief is characterized by the postponement or suppression of grieving responses, often surfacing long after the loss has occurred. It does not apply here, as the family member is expressing active emotional struggle before the loss.
B. Anticipatory. Anticipatory grief occurs before an actual loss, such as when a loved one is dying from a terminal illness. The family member is beginning to grieve the impending death and the emotional impact of the future loss, which fits this type of grief.
C. Disenfranchised. Disenfranchised grief refers to grief that is not openly acknowledged or socially supported, such as the death of an ex-partner or a pet. In this scenario, the grief is acknowledged and supported, so this does not apply.
D. Exaggerated. Exaggerated grief involves intense symptoms that interfere with daily functioning, such as severe depression, phobias, or suicidal thoughts. The family member is expressing difficulty, but not at a level that indicates dysfunction.
Correct Answer is B
Explanation
A. Irrigate the wound using a 10-mL syringe. A 10-mL syringe does not provide adequate pressure for effective irrigation. Typically, a 30- to 60-mL syringe with an 18-gauge catheter is used to deliver appropriate pressure (between 4–15 psi) to clean wounds effectively.
B. Irrigate the wound with a low-pressure flow of solution. This is correct. A low-pressure irrigation system helps gently remove debris and bacteria without damaging healthy tissue. It also minimizes the risk of forcing contaminants deeper into the wound bed.
C. Cleanse the insertion site of the drain using a circular motion toward the center. The site should be cleansed from the center outward, not toward the center, to prevent dragging contaminants into the insertion site and reduce infection risk.
D. Cleanse the wound starting at the bottom and moving upward. Wound cleaning should occur from the least contaminated (top) to the most contaminated (bottom) area to avoid transferring microorganisms from dirtier areas to cleaner areas, thereby minimizing the risk of infection.
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