pain. Which medication is the nurse MOST likely to administer?
A. Ketorolac (Toradol) IV
B. Morphine by mouth
C. Morphine IV
D. Acetaminophen (Tylenol) by mouth
Correct answer: C. Morphine IV
A nurse is caring for a post-CABG patient receiving a low-dose epinephrine infusion started in
the OR. Which laboratory value is the nurse MOST concerned about?
A. Serum lactate 2.1 mmol/L
B. Serum glucose 268 mg/dL
C. Serum HCO₃ 31 mEq/L
D. Serum pH 7.47
Correct answer: B. Serum glucose 268 mg/dL
Following surgery, the nurse notes a significant decrease in urinary output over 6 hours and a rise
in creatinine. The nurse should anticipate discontinuation of which medication category?
A. Beta-blocker
B. Antidysrhythmic
C. ACE inhibitor
D. Inotropes
Correct answer: C. ACE inhibitor
,Which parameter indicates that a 70-kg patient may be considered for weaning from intra-aortic
balloon pump (IABP) therapy?
A. Urine output 35 mL/hour
B. Hemoglobin 5.5 g/dL
C. Elevated lactate
D. Heart rate 122 bpm
Correct answer: A. Urine output 35 mL/hour
One day post–aortic valve replacement, a patient with COPD is extubated to 4 L/min oxygen via
nasal cannula. Two hours later, the patient becomes anxious, tachypneic, and has an SpO₂ of
88%. What should the nurse do FIRST?
A. Administer albuterol and encourage incentive spirometry
B. Assist the patient to a chair
C. Administer anti-anxiety medication
D. Increase the oxygen concentration of the nasal cannula
Correct answer: D. Increase the oxygen concentration of the nasal cannula
A) Administer an albuterol treatment and encourage the use of an incentive spirometer.
Following mitral valve repair, the patient has significant chest tube drainage.
Lab results are:
PTT 32 sec
INR 2.5
Hgb 6.8 g/dL
Hct 22%
Platelets 80,000/mm³
What combination of therapies would BEST correct the coagulopathy?
A. FFP, PRBCs, and platelets
B. PRBCs, FFP, and cryoprecipitate
, C. Protamine, FFP, and platelets
D. Protamine, PRBCs, and cryoprecipitate
Correct answer: A. FFP, PRBCs, and platelets
After undergoing on-pump CABG, the patient is receiving epinephrine at 5 mcg/min for low
cardiac output. Six hours later, vasopressin at 0.04 units/min is added. Hemodynamics are:
BP 96/50
HR 120
MAP 65 mm Hg
PAP 52/28 mm Hg
CVP 20 mm Hg
CO 3.0 L/min
CI 1.5 L/min/m²
SVR 1208
SvO₂ 46%
Which intervention should the nurse anticipate?
A. Increase epinephrine to 10 mcg/min
B. Initiate a milrinone infusion
C. Administer 250 mL of 0.9% sodium chloride
D. Prepare for intra-aortic balloon pump (IABP) insertion
Correct answer: D. Prepare for intra-aortic balloon pump (IABP) insertion
A patient is admitted post-CABG with the following ventilator settings:
Mode: SIMV
FiO₂: 1.0
Rate: 14 breaths/min
Tidal volume: 500 mL