Gas Exchange and Transport
Where does gas exchange primarily occur in the lungs?
a. Bronchi
b. Alveoli
c. Trachea
d. Pleura
b. Alveoli
Which part of the Medullary Respiratory Center is responsible for stimulating diaphragm contraction?
a. The Apneustic Center
b. The Ventral Respiratory Group
c. The Dorsal Respiratory Group
d. The Pneumotaxic Center
c. The Dorsal Respiratory Group
What is the main cause of chronic bronchitis?
a. Allergies
b. Exercise
c. Smoking
d. Viral infection
c. Smoking
What drives the diffusion of oxygen into the blood during gas exchange?
a. Temperature gradient
b. Concentration gradient
c. Pressure gradient
d. Electrical gradient
b. Concentration Gradient
Which of the following does NOT commonly cause hyperventilation?
a. Exercise
b. Having a Panic Attack
c. Being on a Roller Coaster while having extreme acrophobia
d. Taking a very pleasant nap
d. Taking a very pleasant nap
Which respiratory disease is commonly triggered by allergens, exercise, cold air, or pollution?
a. Pneumonia
b. Bronchitis
c. Asthma
d. Sinusitis
c. Asthma
Which muscles are involved in inhalation during breathing?
a. Diaphragm and external intercostals
b. Internal intercostals and diaphragm
c. Accessory muscles only
d. Abdominal muscles
a. Diaphragm and external intercostals
Where is the Pneumotaxic Center located in the brain?
a. Above the Medullary Center but below the Apneustic center
b. Above all the other respiratory centers in the brain
c. Below all the respiratory centers in the brain
d. Below the Apneustic Center but above the Medullary Center
b. Above all the other respiratory centers in the brain
What is a key difference between upper and lower respiratory tract disease?
a. Upper tract diseases are more dangerous than lower tract diseases.
b. Upper tract diseases affect the lungs, while lower tract diseases affect the throat.
c. upper tract diseases affect the nose and throat, while lower tract diseases affect the lungs and bronchial tubes.
d. There's no difference between upper and lower respiratory tract diseases.
c. Upper tract diseases affect the nose and throat, while lower tract diseases affect the lungs and bronchial tubes.
What happens to the diaphragm during exhalation?
a. It relaxes and moves downward.
b. It contracts and moves upward.
c. It relaxes and moves upward.
d. It contracts and moves downward.
c. It relaxes and moves upward.
Which portions of the brain are involved in controlling breathing/respirations?
a. The Occipital lobe and the Cerebrum
b. The Medulla Oblongata and the Pons
c. The Midbrain and the Medulla Oblongata
d. None of the Above
b. The Medulla Oblongata and the Pons
hich upper respiratory tract disease is characterized by facial pain, nasal congestion, headache, and thick nasal discharge, and may require antibiotics if bacterial?
a. Common Cold (Viral Rhinitis)
b. Sinusitis
c. Pharyngitis (Sore Throat)
d. Asthma
b. Sinusitis