CARE MEDICINE QUESTIONS WITH
COMPLETE ANSWERS { GRADED A+}
Colloids - ✔✔large molécules dispersed in solution, more costly
Albumin
Crystalloids - ✔✔less costly with fewer adverse reactions
Dextrose, 0.9% NaCl, LR
Hypotonic hypervolemic hyponatremia - ✔✔fluid overload caused by cirrhosis,
HF, renal failure. Treat with diuresis and fluid restriction.
, Hypotonic hypovolemia - ✔✔Caused by diuretics, blood loss, vomitiing or
diarrhea. Treat by correcting underlying cause. If severe enough can treat with
hypertonic (3% saline)
What is the goal when correcting sodium? - ✔✔4-8 hours mEq/L/24 hours, doing
>12 per 24 hours would cause osmotic demyelination syndrome
How is SIADH treated - ✔✔Tolvaptan, conivaptan
Hyperkalemia - ✔✔commonly caused by CKD
hypokalemia - ✔✔potassium <3.5 mEq/L
treat with IV Kcl 40-100 mEq
What electrolyte is necessary for potassium replacement - ✔✔magnesium
How is hypomagnesemia treated - ✔✔magnesium sulfate
How do vasopressors work? - ✔✔stimulate alpha receptors > vasoconstriction >
increase systemic vascular resistance
What receptors does epinephrine affect? - ✔✔alpha 1, beta 1, beta 2