Pre assessment- Inspiration and expiration quiz

Expiration during quiet breathing is primarily driven by:

• a) Contraction of the diaphragm

• b) Contraction of the intercostal muscles

• c) Relaxation of the diaphragm and intercostal muscles

• d) Contraction of the abdominal muscles

Which of the following statements is true about expiration?

• a) It is an active process requiring muscle contraction

• b) It is a passive process primarily driven by muscle relaxation

• c) It involves the contraction of the diaphragm and intercostal muscles

• d) It occurs only during strenuous physical activity

During inspiration, the diaphragm:

• a) Contracts and moves downward

• b) Relaxes and moves downward

• c) Contracts and moves upward

• d) Relaxes and moves upward

Tags

NGSS.HS-LS1-3

During expiration, the volume of the thoracic cavity:

• a) Increases

• b) Remains constant

• c) Decreases

• d) Depends on the position of the body

Which of the following describes the primary muscle(s) involved in inspiration?

• a) Diaphragm and intercostal muscles

• b) Abdominal muscles

• c) Deltoid muscles

• d) Quadriceps muscles