A Patient Visits Your Clinic Often with Recurrent Respiratory Infections

question 21

Multiple Choice

A patient visits your clinic often with recurrent respiratory infections.Based upon their medical history, it appears they have been an active smoker for over 40 years.Select the statement that most accurately reflects how this information may reveal why the patient is highly susceptible to respiratory pathogens.

• A)Smoking can paralyze the ciliary escalator.
• B)Smoking decreases the formation and effectiveness of complement proteins.
• C)Smoking directly inhibits B- and T-cell action.
• D)Smoking decreases the activity of neutrophils.

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Definitions:

Four O'clock Flowers

Plants of the genus Mirabilis, known for their fragrant, colorful blooms that typically open in the late afternoon.

Blood Types

The classification of human blood based on the presence or absence of inherited antigenic substances on the surface of red blood cells, which includes A, B, AB, and O types.

Mendelian Genetics

The branch of genetics based on the principles of inheritance proposed by Gregor Mendel, explaining how traits are transmitted from parents to offspring.

Multiple Alleles

Inheritance pattern in which there are more than two alleles for a particular trait; each individual has only two of all possible alleles.