The Immune System Is Capable of Mounting Specific Responses to Particular

question 29

Multiple Choice

The immune system is capable of mounting specific responses to particular microorganisms because ________.

• A)lymphocytes are able to change their antigen specificity as required to fight infection
• B)the body is able to determine which type of B and T cells to make
• C)the body contains an enormous diversity of B and T cells, each with a specific kind of antigen receptor
• D)the body is able to make different antigen receptors depending on the invading microorganism

Learn about the impact of self-efficacy on task performance.

Understand the role of participation in goal setting and its effects on goal acceptance and performance.

Grasp the concepts of feedback and reinforcement in the context of goal achievement and motivation.

Understand and apply the concept of positive reinforcement to improve workplace behaviour and motivation.

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Definitions:

Ventilations

The movement of air between the environment and the lungs via inhalation and exhalation, used in respiratory processes.

Respiratory Center

Group of nerve cells in the medulla oblongata that sends out nerve impulses on a rhythmic basis, resulting in involuntary inspiration on an ongoing basis.

Intercostal Nerves

Nerves located between the ribs that play a role in the respiratory process by controlling the muscles of the chest wall.

Alveolar Walls

Thin layers of tissue forming the air sacs in the lungs, where gas exchange with the blood takes place.