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MICU CCRN Exam Review ( Update 2025 / 2026) Questions with Answers
Question:
Nitroglycerin
Answer:
Venous vasodilator
Decr preload and afterload in L ventricular failure
Used for mycardial ischemia and dilator for coronary vasculature
20-40 mcg/min
50-250 mcg/min
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Question:
Nipride
Answer:
Venous and arterial dilator
Incr CO by decr L ventricular afterload
Decr bp in hypertensive crises and decr pulmonary hypertension
0.5 - 10 mcg/kg/min
Question:
Neosynephrine
Answer:
Sympathetic adrenergic agent
Constricts blood vessels and raises bp
Stimulates baroreceptors to slow HR by incr vagal tone
100-180 mcg/min (can go up to 300 mcg/min)
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Question:
Vasopressin
Answer:
Potent arterial vasoconstrictor
Used for severe hypotension/shock unresponsive to catecholamine therapy, upper GI hemorrhages and ACLS protocol
0.01-0.4 units/min
Question:
ABG Values
Answer:
pH 7.35-7.47
PaCO2 35-45
PaO2 80-100
HCO3 22-26
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Question:
Normal CBC values
Answer:
Hgb 13-18 M 12-16F
Hct 40-52M 35-47F
Question:
Normal Coag values
Answer:
PT 12-15 sec
aPTT 25-38 sec
Platelet 150,000 - 400,000
Fibrinogen 200-400
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