The Evidence from Numerous Studies Suggests That the Negative Effects

question 21

Multiple Choice

The evidence from numerous studies suggests that the negative effects of shift rotation can be reduced if

• A) the workers take melatonin at the onset of their work shift.
• B) the workers are not exposed to bright light at anytime during their work week.
• C) the workers take melatonin at the end of their work shift.
• D) the workers have progressively later starting times and have longer periods between shift changes.

---

Definitions:

Posterior Interventricular Artery

A blood vessel that runs along the heart's surface and supplies the ventricles with oxygen-rich blood.

Right Coronary Artery

A major artery of the heart that supplies blood to the right side of the heart and other areas.

Visceral Pericardium

The inner layer of the pericardium that is in direct contact with the heart, providing a protective and lubricating container.

Epicardium

The outermost layer of the heart wall, consisting of an epithelial layer and connective tissue, which provides lubrication and protection for the heart.