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1. Question After cardiac surgery, a clientʼs blood pressure measures 126/80 mm Hg. Nurse Katrina determines that mean arterial pressure (MAP) is which of the following? A. 46 mm Hg B. 80 mm Hg C. 95 mm Hg D. 90 mm Hg Incorrect Correct Answer: C. 95 mm Hg Use the following formula to calculate MAP MAP = systolic + 2 (diastolic) MAP = 126 mm Hg + 2 (80 mm Hg) MAP = 286 mm Hg MAP = 95 mm Hg Option A: 46 mmHg is incorrect according to the calculations. Option B: 80 mmHg is inadequate according to the formula used in the computation. Option D: 90 mmHg is incorrect according to the computation using the formula of mean arterial pressure. https://nurseslabs.com/nclex-practice-questions/6/ 11/07/2021, 7=03 PM Page 7 of 141 2. Question A female client arrives at the emergency department with chest and stomach pain and a report of black tarry stool for several months. Which of the following orders should the nurse Oliver anticipate? A. Cardiac monitor, oxygen, creatine kinase and lactate dehydrogenase levels B. Prothrombin time, partial thromboplastin time, fibrinogen and fibrin split product values C. Electrocardiogram, complete blood count, testing for occult blood, comprehensive serum metabolic panel D. Electroencephalogram, alkaline phosphatase, and aspartate aminotransferase levels, basic serum metabolic panel Incorrect Correct Answer: C. Electrocardiogram, complete blood count, testing for occult blood, comprehensive serum metabolic panel. An electrocardiogram evaluates the complaints of chest pain, laboratory tests determine anemia, and the stool test for occult blood determines Home Care Plans Exams Study Notes Career NurseLife News https://nurseslabs.com/nclex-practice-questions/6/ 11/07/2021, 7=03 PM Page 8 of 141 blood in the stool. Option A: Cardiac monitoring, oxygen, and creatine kinase, and lactate dehydrogenase levels are appropriate for a cardiac primary problem. A basic metabolic panel and alkaline phosphatase and aspartate aminotransferase levels assess liver function. Option B: Prothrombin time, partial thromboplastin time, fibrinogen and fibrin split products are measured to verify bleeding dyscrasias. Option D: An electroencephalogram evaluates brain electrical activity. 3. Question Olivia had coronary artery bypass graft (CABG) surgery 3 days ago. Which of the following conditions is suspected by the nurse when a decrease in platelet count from 230,000 ul to 5,000 ul is noted? A. Pancytopenia B. Idiopathic thrombocytopenic purpura (ITP) C. Disseminated intravascular coagulation (DIC) D. Heparin-associated thrombosis and thrombocytopenia (HATT)
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