Human Body Chapter 17 Quiz

Which of the following structures is NOT part of the upper respiratory tract?

• Nasopharynx

• Larynx

• Trachea

• Oral cavity

The primary function of the nasal cavity is to:

• Produce mucus

• Warm, moisten, and filter air

• Facilitate vocalization

• Exchange gases

Which of the following structures is found in the lower respiratory tract?

• Nasal cavity

• Pharynx

• Bronchioles

• Sinuses

Which of the following is NOT a major disorder of the lower respiratory tract?

• Asthma

• Pneumonia

• Laryngitis

• Chronic obstructive pulmonary disease (COPD)

The primary control center for the regularity of breathing is located in the:

• Cerebral cortex

• Medulla oblongata

• Pineal gland

• Thalamus

Carbon dioxide is primarily transported in the blood as:

• Dissolved CO2 in plasma

• Bicarbonate ions

• Attached to hemoglobin

• Both a and b

Which of the following conditions may indicate a need for supplemental oxygen?

• Hypoxemia

• Hypercapnia

• Bradypnea

• Tachycardia

An increase in carbon dioxide levels in the blood leads to:

• Increased heart rate

• Decreased respiratory rate

• Respiratory alkalosis

• Increased respiratory drive

The primary purpose of the alveolar-capillary membrane is:

• Facilitate blood flow

• Provide structural support

• Allow gas exchange

• Secrete mucus

A patient diagnosed with asthma may experience which of the following symptoms?

• Coughing

• Wheezing

• Shortness of breath

• All of the above