Respiratory- Quiz 1

Tidal volume is air _____.

• Exchanged during normal breathing

• Forcibly expelled after normal expiration

• inhaled after normal inspiration

• Remaining in the lungs after forced expiration

The relationship between gas pressure and gas volume is described by _____.

• Henry's Law

• Dalton's Law

• Charles Law

• Boyle's Law

Which respiratory-associated muscles would contract or relax during forced expiration, for example blowing up a balloon?

• Diaphragm would contract, external intercostals would relax

• Diaphragm would contract, internal intercostals would relax.

• Internal intercostals and abdominal muscles would contract.

• External intercostals would contract and diaphragm would relax.

Air moves out of the lungs when the pressure inside the lungs is _____.

• Less than the pressure in the atmosphere

• Greater than the pressure in the atmosphere

• Greater than the intra-alveolar pressure

• Equal to the pressure in the atmosphere

The left lung differs from the right in that the left lung has _____.

• A wider and more vertical primary bronchus

• Three Lobes

• an oblique fissure

• a cardiac notch

Which of the following refers to the movement of air into and out of the lungs?

• External Respiration

• Gas exchange

• Pulmonary ventilation

• Internal respiration

The most powerful respiratory stimulus for breathing in a healthy person is _____.

• increase of carbon dioxide

• Acidosis

• Alkalosis

• Loss of oxygen in tissues

Tags

NGSS.HS-LS1-3

Which of the following maintains the patency (openness) of the trachea?

• Pseudostratified ciliated epithelium

• C-shaped cartilage rings

• Surface tension of water

• Surfactant production

Which of the disorders below is characterized by destruction of the walls of the alveoli producing abnormally large air spaces that remain filled with air during exhalation?

• Tuberculosis

• Emphysema

• Coryza

• Pneumonia

The nose serves all of the following functions EXCEPT ____.

• As the direct initiator of the cough reflex

• As a passageway for air movement

• Warming and humidifying the air

• Cleansing the air