in the ICU UPDATED Study Guide
QUESTIONS AND CORRECT ANSWERS
critical illness - CORRECT ANSWERS disease state in which death is
imminent or possible
respiratory acidosis - CORRECT ANSWERS low pH, high CO2
respiratory alkalosis - CORRECT ANSWERS high pH, low CO2
Hypoventilation can lead to respiratory ___________ while hyperventilation
can lead to respiratory __________ - CORRECT ANSWERS acidosis
alkalosis
metabolic acidosis - CORRECT ANSWERS low pH, low HCO3
What are some causes of metabolic acidosis? - CORRECT ANSWERS -
diabetic ketoacidosis
-shock
-sepsis
-severe diarrhea
-renal failure
metabolic alkalosis - CORRECT ANSWERS high pH, high HCO3
What are some causes of metabolic alkalosis? - CORRECT ANSWERS
-loss of gastric juices
, -overuse of antacids
-potassium wasting diuretic
What are some symptoms fluid loss contributes to? (4) - CORRECT
ANSWERS -postural hypotension
-tachycardia
-decrs cardiac output and stroke volume
-decrs peak oxygen uptake
T or F: cognitive deficits from critical illness/immobility are never permanent -
CORRECT ANSWERS F: they can be permanent
(anxiety, depression, PTSD, delirium)
What recovers faster from immobility...bone mineral density or muscle? -
CORRECT ANSWERS muscle...this may create an imbalance between
muscle and bone
Bed rest contributes to ________% loss of muscle strength per week in healthy
individuals - CORRECT ANSWERS 4-5%
bed rest is negative except in these 2 cases - CORRECT ANSWERS -
following heart cath
-pre-term labor
What are some possible strategies for prevention/treatment of ICU acquired
weakness? (4) - CORRECT ANSWERS 1) early mobility and rehab
2) strict glycemic control
3) avoid use of corticosteroids and neuromuscular blockades
4) protocols to minimize use of sedatives and analgesics