LEC1: Introduction to Occupational Physiology

Question 1

What is Stress?

Answer 1

A combination of stressor (e.g. hot humid conditions) and stress reactivity, encompassing a stimulus and a response.

Question 2

What is Stress Reactivity?

Answer 2

Capacity or tendency of an individual to respond to a stressor (e.g. are they acclimated or not?).

Question 3

What is Strain?

Answer 3

Also known as the stress response, it is the overall physiological or perceptual response. Includes the variables we choose to measure which depend on the specific impact of stressor.

Characterized by what we can measure (quantifiable).

Question 4

Types of Stress (5)

Answer 4

1. Thermal stress
2. Protective clothing
3. Respiratory protection
4. Psychological stress
5. Hard work

Question 5

Types of Strain (5)

Answer 5

1. Metabolic strain
2. Cardiovascular strain
3. Pulmonary strain
4. Muscular strain
5. Hormonal strain