Standing Still and at Attention for Long Periods Can Result

question 15

Multiple Choice

Standing still and at attention for long periods can result in inadequate venous return.The effects of this can be seen when even young and healthy soldiers sometimes faint when standing at attention for long periods.Which of the following is NOT occurring to promote return of blood from the venous system in this situation?

• A)sympathetic activation of smooth muscle in large veins
• B)skeletal muscle activity compressing veins and forcing blood flow
• C)one way flow in the venous system due to valves
• D)ventricular contraction

---

Definitions:

Convergent Thinking

A cognitive process in which a limited number of solutions are derived by focusing on a single, clear point of view, often used in problem-solving and decision-making.

Synesthesia

A condition in which one sensory or cognitive pathway leads to involuntary experiences in a second sensory or cognitive pathway, such as seeing colors when hearing music.

Sensory Modality

The different ways in which the body can perceive stimuli, such as via sight, sound, touch, taste, and smell.

Ventral Visual Stream

Part of the visual system in the brain responsible for processing object recognition, color differentiation, and other aspects related to the identification of visual stimuli.