Author Question: A physician places a patient in respiratory failure on 100 O2. To avoid the hazards of O2 tox-icity, ... (Read 13 times)

09madisonrousseau09 · **on:** Jul 16, 2018

A physician places a patient in respiratory failure on 100 O2. To avoid the hazards of O2 tox-icity, you would recommend that every effort is made to reduce this FiO2 to less than 50 within what timeframe?

a. 8 hr
b. 24 hr
c. 48 hr
d. 5 days

Question 2

Retinopathy of prematurity (ROP) is a potentially serious management problem mainly in the care of whom?

a. Premature or low-birth-weight infants
b. Cystic fibrosis patients
c. Children with asthma
d. Patients with acute respiratory distress syndrome (ARDS)

cupcake16 · **Reply #1 on:** Jul 16, 2018

Answer to Question 1

ANS: D
Avoiding O2 toxicity: Limit patient exposure to 100 O2 to less than 24 hr whenever possible. High FiO2 is acceptable if the concentration can be decreased to 70 within 2 days and 50 or less in 5 days.

Answer to Question 2

ANS: A
ROP, also called retrolental fibroplasia, is an abnormal eye condition that occurs in some prema-ture or low-birth-weight infants who receive supplemental O2.