Pulmonary Ventilation

Passageway for food and air

Pharynx

what would increase the rate of oxygen exchange in the alveoli of the lungs?

an increase in oxygen concentrations in the pulmonary capillaries

this part of the respiratory system tilts when swallowing food or liquid, blocking the opening to the Larynx

epiglottis

Which of the following represents the correct order of respiratory organs as air passes by as would happen when inhaling

nasal cavity, pharynx, larynx, bronchi, bronchioles, alveoli.

what is the process called when air moves in and out of the lungs?

pulmonary ventilation

The blood that leaves the lungs travels directly to the

heart

What is another organ that is also found in the thorax?

heart

describe the movement of carbon dioxide during internal Respiration

into the blood

This part of the respiratory system contains the vocal cords and is made of cartilage

larynx

emphysema is lung disease in which the alveoli in both lungs fully break down. Which of the following would be a direct result of this disease?

lower amounts of oxygen would diffuse across the membrane's of alveoli into the bloodstream

When carbon dioxide levels in the blood rise or fall in blood pH levels cause the brain to initiate pulmonary ventilation by;

stimulating the diaphragm to contract increasing lung volume

The gas laws indicate pressure and volume are inversely proportional. Pulmonary ventilation relies on the gas laws for both inhalation and exhalation. Which of the following accurately describes the relationship between the gas laws and pulmonary ventilation?

when the diaphragm contracts, lung volume increases causing a decrease in pressure leading to inhalation

The left lung has how many lobes?

2 lobes

This part of the respiratory system helps create a gentle current that moves contaminated mucus down the throat where to swallow it and digested by the stomach.

Cillia

Expiration is the movement of air into lungs

False

although red blood cells only carry about 15 percent of the carbon dioxide produced by cellular respiration, why would an individual with anemia reports shortness of breath?

Fewer red blood cells to convert CO2 in the blood and will degrees result in a decrease pH in an increase in ventilation or shortness of breath

A problem with the secretion of pulmonary Surfactant would cause which of the following problems to occur?

Gas diffusion rate would decrease in the alveoli

what describes how structures in the respiratory system are designed to allow for gas exchange?

The alveoli are made of a single layer of permeable cells surrounded by capillaries

A mammal is inhaling which of the following is true regarding this process?

The lung volume will increase while pressure will decrease

Lungs are in a airtight chamber

True

When you were exhaling your diaphragm is relaxing

True

Carbon dioxide may be transported in every way except through

White blood cells

The carbon dioxide leaves the body as we exhale which of the following describes her oxygen is transported to cells in the body after inhalation?

oxygen attaches to the iron and hemoglobin in red blood cells

Which of the following occurs during gas exchange?

oxygen is delivered from the lungs to the blood stream, carbon dioxide is eliminated from the bloodstream to the lungs, gas exchange occurs in the lungs between the alveoli and the capillaries.

carbon dioxide and oxygen gases are exchanged thtough the process of diffusion into tiny blood vessel's in the alveoli of the lungs. In order for oxygen to diffuse into the blood during inhalation, what is true about blood concentration?

oxygen levels are low

what is the compound called when oxygen binds with hemoglobin in a mammal?

oxyhemoglobin

lungs are made of

tissues

What is the function of the alveoli?

to exchange oxygen and carbon dioxide between the lungs and the blood stream

why is our left lung smaller than our right lung?

to make room for heart

Bronchi

two short branches located at the lower end of the trachea that carry air into the lungs.