RBU Respiratory System

Which of the following are methods of Oxygen Transportation in the body? Select 2.

• 23% Combined with Haemoglobin

• 97% within Haemoglobin

• 3% within Blood Plasma

• 5% dissolved in Water

Breathing Rate = The number of Inspirations or Expirations per ...........

160-210l/min is the value for which individual

• Minute Ventilation
  Maximal Value (Trained)

• Tidal Volume
  Resting Value (Trained)
  

• Tidal Volume
  Maximal Value (Untrained)

• Breathing Rate
  Resting Value Untrained

Expiration during exercise is a .......... process

External Intercostal Muscles Relax during inspiration at rest? True or False?

• True

• False

Which combination of ADDITIONAL muscles are recruited for Inspiration during exercise?

• External Intercostal Muscles and Diaphragm

• Obliques, Internal Intercostal Muscles and Abdominals

• Sternocleidomastoid, Scalene, Pectoralis Minor

• Sternocleidomastoid, Scalene, Internal Intercostals

Thoracic Cavity Volume has what effect when expiring during exercise?

• Increase in Volume Decreases pressure in the lungs

• Decrease in Volume Decreases pressure in the lungs

• Increase in Volume increases pressure in the lungs

• Decrease in Volume increases pressure in the lungs

True or Fales: The EC is inactive at rest, but will stimulate additional expiratory muscles to contract during exercise.

• True

• False

Proprioceptors inform of motor activity in the ........... and joints.

The intercostal nerve stimulates contraction of the.....

• External Intercostals

• Diaphragm

• Scalene

• Obliques