All of the Following Provide Pressure Gradients for Venous Blood

question 6

Multiple Choice

All of the following provide pressure gradients for venous blood flow EXCEPT

• A) contraction of skeletal muscles
• B) respiratory movements
• C) contraction of muscle in vessel walls
• D) contraction of the valves in veins

---

Definitions:

Quantifier

A symbol or word used in logic to specify the quantity of subjects to which a statement applies.

Atomic Open Sentence

A basic, unquantified statement that contains one or more variables and becomes a proposition when the variables are specified.

Compound

Composed of two or more elements, parts, or substances.

Atomic

Relating to the basic, indivisible entities or components of a system.