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.

---

Definitions:

Oxygen Deprivation

A state where there is an insufficient supply of oxygen to the body that can lead to critical health issues or damage to organs.

Developing Fetus

A term referring to a human embryo after the initial stages of development, specifically from the ninth week after fertilization until birth.

Hippocampus

A region of the brain important for learning and memory, located in the medial temporal lobe.

Premature

Premature refers to an event or condition occurring before the expected time, such as birth happening before 37 weeks of gestation in humans.