Author Question: What is the least reliable weaning index? a. Vital capacity (VC) b. Maximum inspiratory capacity ... (Read 105 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
What is the least reliable weaning index?
 
  a. Vital capacity (VC)
  b. Maximum inspiratory capacity (MIP)
  c. Minute ventilation (VE)
  d. Rapid-shallow breathing index (f/VT)

Question 2

Which of the following oxygenation measures support a patient's readiness to wean? 1. PaO2/PAO2 (a/A) = 0.45 2. PaO2/FiO2 (P/F) = 110 3. PAO2  PaO2 = 240 mm Hg 4. Physiologic shunt (Qs/Qt) = 12
 
  a. 1 and 3 only
  b. 1, 2, and 3 only
  c. 2 and 4 only
  d. 1, 3, and 4 only



cpetit11

  • Sr. Member
  • ****
  • Posts: 321
Answer to Question 1

ANS: A
With respect to the more traditional weaning indices, vital capacity can be highly variable, whereas MIP, minute ventilation, respiratory rate (f), and f/VT tend to be more reliable.

Answer to Question 2

ANS: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

For a complete list of videos, visit our video library