Chapter 6, Problem 9RQ

Assuming everything else remains the same, when an individual's cardiac output decreases, the

1. $\text{C}{\left(\text{a - }\bar{\text{V}}\right)}_{{\text{o}}_{\text{2}}}$ increases

2. ${\text{O}}_{\text{2}}\text{ER}$ decreases

3. ${\text{V}}_{{\text{o}}_{\text{2}}}$ increases

4. $\text{S}{\bar{\text{V}}}_{{\text{o}}_{\text{2}}}$ decreases

A. 1 only

B. 4 only

C. 2 and 3 only

D. 1 and 4 only