A Patient Visits Your Clinic Often with Recurrent Respiratory Infections

question 56

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

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Definitions:

Appendix

A small, tube-like appendage attached to the large intestine; often considered vestigial but may have roles in maintaining gut flora.

Mouth

The opening in the face of a human or animal, used for eating, breathing, and speaking.

Sexual Differentiation

The process by which the sexual organs and secondary sex characteristics develop differently in males and females, influenced by genetic and hormonal factors.

Trimester

One of the three roughly equal periods into which a pregnancy is divided, each lasting about three months.