Final Exam Modules 7 & 8 Flashcards
The exchange of oxygen and carbon dioxide between the alveoli and blood in the lung is called:
a. breathing.
b. cellular respiration.
c. internal respiration.
d. external respiration.
d. external respiration
The auditory, or eustachian, tubes connect the:
a. middle ear with the oropharynx.
b. middle ear with the nasopharynx.
c. inner ear with the nasopharynx.
d. inner ear with the oropharynx.
b. middle ear with the nasopharynx
The function of the surfactant in the lung is to help:
a. increase the surface tension of water in the
b. reduce the surface tension of water in the alveoli.
c. trap bacteria and dust.
d. move bacteria and dust toward the pharynx.
b. reduce the surface tension of water in the alveoli
Which of the following statements is correct?
a. The apex of the lung rests against mediastinum.
b. The lungs are covered by the visceral pleura.
c. The right lung has two lobes; the left lung has three lobes.
d. The apex of the lung rests against the diaphragm.
b. The lungs are covered by the visceral pleura
The partial pressure of carbon dioxide in the blood returning to the lungs from the body is about:
a. 66 mm Hg.
b. 56 mm Hg.
c. 46 mm Hg.
d. 26 mm Hg.
c. 46 mm Hg
Carbon dioxide in the tissue cells:
a. is actively transported to the blood.
b. converts hemoglobin to carbaminohemoglobin and is carried as bicarbonate ions in the blood.
c. converts hemoglobin to carbaminohemoglobin.
d. is carried as bicarbonate ions in the blood.
b. converts hemoglobin to carbaminohemoglobin and is carried as bicarbonate ions in the blood
The thyroid cartilage (Adam’s apple) is part of the:
a. nasopharynx.
b. oropharynx.
c. larynx.
d. trachea.
c. larynx
Conchae are shelflike structures found in the:
a. ethmoid sinus.
b. frontal sinus.
c. laryngopharynx.
d. nasal cavities.
d. nasal cavities
The respiratory mucosa helps protect the respiratory system by:
a. moving contaminated mucus toward the pharynx.
b. having ciliated epithelium beat in only one direction.
c. trapping bacteria, moving contaminated mucus towards the pharynx, and having ciliated epithelium beat in only one direction.
d. trapping bacteria.
c. trapping bacteria, moving contaminated mucus towards the pharynx, and having ciliated epithelium beat in only one direction
The respiratory membrane:
a. lines most of the air distribution tubes and is another term for the respiratory mucosa.
b. lines the alveoli.
c. is another term for the respiratory mucosa.
d. lines most of the air distribution tubes.
a. lines most of the air distribution tubes and is another term for the respiratory mucosa
Another term for pulmonary ventilation is:
a. breathing.
b. cellular respiration.
c. internal respiration.
d. external respiration.
a. breathing
Which of the following tubes enters or exits the pharynx? a. Auditory tubes b. Esophagus c. Larynx, esophagus, and auditory tubes d. Larynx
c.
Larynx, esophagus, and auditory tubes
These tonsils are not in the pharynx:
a. palatine.
b. adenoids.
c. pharyngeal.
d. lingual.
d. lingual
The main water-holding force in the blood capillaries is:
a. sodium in the blood plasma.
b. chloride in the blood plasma.
c. protein in the blood plasma.
d. capillary blood pressure.
c. protein in the blood plasma
The most common positive ion in intracellular fluid is:
a. sodium.
b. calcium.
c. magnesium.
d. potassium.
d. potassium