Asthma Is

question 130

Multiple Choice

Asthma is

• A) a collapsed lung resulting from insufficient production of surfactant.
• B) due to an excessive stimulation of smooth muscle in bronchioles.
• C) an obstructive tumor targeting primarily the terminal bronchioles.
• D) characterized by fluid buildup in the alveoli.
• E) caused by Mycobacterium tuberculosis.

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Definitions:

Homozygous

Referring to an individual who has two identical alleles for a particular gene or genes, affecting their traits or conditions.

Mutations

changes in the DNA sequence of an organism's genome, which can result in variations in physical appearance, function, or behavior.

X-Linked Disorders

Genetic conditions that are caused by mutations in genes on the X chromosome; typically, males are more severely affected due to having only one X chromosome.

Down Syndrome

A genetic disorder caused by the presence of an extra chromosome 21, characterized by developmental and physical growth delays and distinctive facial features.