Physiology Quiz

What is the function of External Intercostals?

• Increase lung volume during inspiration

• Regulate heart rate

• Decrease lung volume during expiration

• Assist in swallowing food

Which muscle is responsible for increasing lung volume during inspiration?

• Internal Intercostals

• Diaphragm

• Pectoralis Major

• Rectus Abdominis

What is the purpose of the Quiet Natural Breathing?

• To assist in digestion

• To regulate body temperature

• To facilitate normal breathing at rest

• To maintain a steady heart rate

What happens during Forced Exhalation?

• Relaxation of respiratory muscles

• Decreased lung volume

• Rapid breathing rate

• Increased lung volume

Which muscle is involved in the process of Swallowing?

• Soleus

• Masseter

• Diaphragm

• External Intercostals

What is the function of the Tidal Volume (TV) in the respiratory system?

• D. Volume of air forcefully exhaled after a normal exhalation

• B. Volume of air inhaled forcefully after a normal inhalation

• A. Volume of air inhaled and exhaled during normal breathing

• C. Volume of air remaining in the lungs after maximum exhalation

Which component of the respiratory system is responsible for maintaining a constant air supply to the lungs?

• C. Alveoli

• A. Diaphragm

• D. Bronchi

• B. Trachea

What is the purpose of the Expiratory Reserve Volume (ERV) in the respiratory system?

• D. Volume of air forcefully exhaled after a normal exhalation

• C. Volume of air remaining in the lungs after maximum exhalation

• B. Volume of air inhaled forcefully after a normal inhalation

• A. Volume of air inhaled and exhaled during normal breathing

Which structure in the respiratory system is responsible for gas exchange between the lungs and the blood?

• D. Diaphragm

• C. Bronchi

• B. Alveoli

• A. Trachea

What is the function of the Residual Volume (RV) in the respiratory system?

• D. Volume of air forcefully exhaled after a normal exhalation

• B. Volume of air remaining in the lungs after maximum exhalation

• A. Volume of air inhaled and exhaled during normal breathing

• C. Volume of air inhaled forcefully after a normal inhalation