Author Question: Which of the following parameters are major factors in determining tissue oxygenation? 1. Arterial ... (Read 116 times)

scienceeasy · **on:** Jul 16, 2018

Which of the following parameters are major factors in determining tissue oxygenation? 1. Arterial oxygenation 2. Tissue perfusion 3. Oxygen (O2) uptake 4. P/F ratio

a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only

Question 2

Which of the following are reasons monitoring is needed? 1. Continuous assessment 2. Analysis of vital signs 3. Measurement of values that caregivers cannot detect

a. 1 only
b. 1 and 2 only
c. 1 and 3 only
d. 1, 2, and 3

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

Answer to Question 1

ANS: B
Tissue oxygenation depends on inspired oxygen levels (FiO2), inspired partial pressure of oxygen (PIO2), alveolar oxygen tension (PAO2), arterial oxygenation (PaO2, SaO2, oxygen content of ar-terial blood CaO2), oxygen delivery (DO2), tissue perfusion, and O2 uptake.

Answer to Question 2

ANS: C
Monitors are needed for two main reasons: (1) continuous assessment (humans need breaks) and (2) measurement of values that caregivers cannot detect such as ECG findings and airway pres-sure.