Two Lung Conditions Referred to as Chronic Obstructive Pulmonary Disease

question 54

Multiple Choice

Two lung conditions referred to as chronic obstructive pulmonary disease (COPD) are

• A)chronic bronchitis and asthma.
• B)asthma and emphysema.
• C)chronic bronchitis and emphysema.
• D)acute bronchitis and smoker's cough.

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Definitions:

Red Blood Cell

Erythrocyte; contains hemoglobin and carries oxygen from the lungs or gills to the tissues in vertebrates.

Fluid-Mosaic

A model describing the structure of cell membranes, where various proteins float in or on the fluid lipid bilayer like boats on a pond.

Plasma Membrane

The lipid bilayer that forms the outer boundary of a cell, controlling the movement of substances in and out of the cell.

Carrier Proteins

Proteins embedded in the cell membrane responsible for the transport of molecules across the membrane via facilitated diffusion or active transport.