Exam (elaborations)
CCRN AACN PRACTICE QUESTIONS AND ANSWERS
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CCRN AACN PRACTICE QUESTIONS AND ANSWERS...
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A patient with a history of bronchogenic cancer is admitted for respiratoryfailure. The patient is intubated and undergoing mechanical ventilation. The
patient exhibits fatigue, headache, disorientation, and abdominal cramps.
Urinary output is diminishing, and noteworthy lab results include serum Na+
127 and serum osmolality 270.
Urine specific gravity increased - ANSWER The initiation of fluid restriction
This patient has risk factors, signs and symptoms of SIADH.
Fluid restriction slows the glomerular filtration and blood flow. Enhances
proximal sodium and water reabsorption, increases aldosterone secretion, and
improves distal tubule sodium reabsorption. Chemotherapy may decrease some
of the water retention caused by certain malignancies, but it will not fully inhibit
ADH secretion. Only administer 3% saline in extreme cases.
A patient is admitted to HHS with dehydration and a blood glucose level of 836
mg/dL. What other laboratory findings might the nurse expect? - ANSWER:
increased BUN, creatinine, and osmolality.
HHNS: Hyperosmolar hyperglycaemic nonketonic condition.
A 49-year-old male was recently admitted with an inferior wall MI caused by
100% blockage of the right coronary artery (RCA). The 12-lead ECG shows ST
elevation in leads 11, 111, and aVf. Would you anticipate to see reciprocal
changes in which leads? - ANSWER 1 AND AVL The RCA perfuses the
inferior wall, and the high lateral wall experiences reciprocal alterations, as seen
in leads 1 and avl on the 12-lead ECG. Leads v1 and v2 correspond to the septal
area, whereas leads v3 and v4 correspond to the anterior region of the heart.
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