A&P Them 1-3

What primary gas product is removed from your system during Exhalation?

• Air

• Oxygen

• Carbon Dioxide

• Carbon Monoxide

The two main branches extending from the trachea to the lungs

• Bronchi

• Alveoli

• Capillaries

• Bronchioles

Where the exchange of gases actually occur?

• Bronchi

• Trachea

• Oxygen

• Alveoli

The thin skeletal muscle that sits at the base of the chest and separates the abdomen from the chest. It contracts and flattens when you inhale.

• Intercostal

• Diaphragm

• Epiglottis

• Larynx

The "gate" that prevents food or fluid from entering the trachea.

• Pharynx

• Larynx

• Esophagus

• Epiglottis

During expiration, decreased thoracic volume results in increased pressure inside the alveoli, therefore, air moves out of the lungs. The statement is:

• True

• False

• Partially true

• Partially false

Given these divisions of the pharynx: 1. laryngopharynx 2. nasopharynx 3. oropharynx From superior to inferior, the correct sequence for the divisions of the pharynx is:

• 1,2,3

• 1,3,2

• 2,3,1

• 2,1,3

Which of the following statements about external breathing is true?

• The oxygen concentration is higher in the pulmonary circulation than in the alveoli.

• Carbon dioxide concentration is higher in the alveoli than in the pulmonary circulation.

• Carbon dioxide diffuses from the alveoli to the pulmonary circulation.

• Oxygen diffuses from the alveoli to the pulmonary circulation.

Which of the following can be transported bound to hemoglobin?

• Oxygen

• Carbon dioxide

• Hydrogen Ions

• All previous.

The low concentration of oxygen in the blood is called?

• Hypoxemia

• Hypercapnia

• Hypocapnia

• Hypoxia