One of the Three Types of HF Involves Systolic Dysfunction

question 11

Multiple Choice

One of the three types of HF involves systolic dysfunction. Potential causes of this most common form of HF include:

• A)Myocardial ischemia and injury secondary to myocardial infarction (MI)
• B)Inadequate relaxation and loss of muscle fiber secondary to valvular dysfunction
• C)Increased demands of the heart beyond its ability to adapt secondary to anemia
• D)Slower filling rate and elevated systolic pressures secondary to uncontrolled hypertension

---

Definitions:

Explanatory Variable

A variable in a statistical model that is believed to influence or cause changes in a dependent variable.

Critical Value

A point on the scale of a statistical test that defines the threshold for rejecting the null hypothesis.

Independent Variables

Independent variables are the conditions or inputs that researchers manipulate or select in an experiment to determine their effect on dependent variables.

Observations

Individual instances of data collected through studies or experiments.