A&P Respiratory System

1. The largest of the following is the

Thryoid cartilage

Corniculate cartilage

Arytenoids cartilage

Epiglottis cartilage

Cricoids cartilage

2. Which of the following correctly traces the route of air flow in the respiratory tract?

Larynx-pharynx-trachea-bronchioles-bronchi

Pharynx-larynx-trachea-bronchi-bronchioles

Larynx-pharynx-trachea-bronchi-bronchioles

Larynx-pharynx-bronchi-trachea-bronchioles

Pharynx-trachea-larynx-bronchi-bronchioles

3. Most carbon dioxide is transported in the blood

Bound to the ferrous ion of hemoglobin

As dissolved gas bubbles

As bicarbonate ions

Bound to the globin moiety of hemoglobin

Bound to carbonic anhydrase

4. For the last minute you have been quietly reading without thinking about it. During this time, you have been taking in an amount of air called the _________________ into your lungs with each breath.

Total lung capacity

Minute respiratory volume

Inspiratory reserve volume

Tidal volume

Vital capacity

5. Which of the following has the strongest stimulatory effect on pulmonary ventilation?

PO2 of the air

PO2 of the blood

PCO2 of the blood

Systolic blood pressure

Osmolarity of the blood

6. __________________ protects the lungs from damage by overinflation.

Pulmonary compliance

The inflation (Hering-Breuer) reflex

The baroreflex

Airway resistance

The apneustic center

7. Squamous cell carcinoma is a form of lung cancer that begins in the

Epithelium of the bronchi

Pulmonary lymph nodes

Type II cells of the alveoli

Mucous glands of the bronchi

Respiratory bronchioles

8. Gasping, labored breathing, or "craving for air" is called

Eupnea

Hyperventilation

Dyspenea

Hyperpnea

Cheyne-Stokes breathing

9. One effect of hypoxia is

Pneumothorax

Atelectasis

Low hematocrit

Anemia

Cyanosis

10. In keeping with ____________________, the warming of air as it is inhaled is one factor that inflates the lungs.

The Bohr effect

Dalton's Law

The law of Laplace

Charle's Law

Henry's Law

A&p Respiratory System