Which of the following factors affect cardiac performance? 1. ...

[luminitza]

Which of the following factors affect cardiac performance? 1. Preload 2. Afterload 3. Contractility 4. Cardiac output
 
  a. 1 and 2 only
  b. 1 and 3 only
  c. 1, 2, and 3 only
  d. 1, 2, 3, and 4

Question 2

Which of the following bedside assessment of respiratory muscle strength is commonly used on ventilated patients?
 
  a. Tidal volume
  b. Maximal inspiratory pressure
  c. Minute ventilation
  d. Respiratory rate

[shayla]

Answer to Question 1

ANS: C
Cardiac performance is affected by preload, contractility, and afterload, and is evaluated by the measurement of cardiac output.

Answer to Question 2

ANS: B
Two values commonly used for bedside assessment of respiratory muscle strength are vital ca-pacity (VC) and maximal inspiratory pressure (MIP).

[luminitza]

Thanks for the timely response, appreciate it

[chereeb]

YES! Correct, THANKS for helping me on my review