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 directly inhibits B- and T-cell action.
C. Smoking decreases the activity of neutrophils.
D. Smoking can paralyze the ciliary escalator.
Select your answer:
Topics:
DNA Structure, Replication, Proteins Musculoskeletal System Unintentional Injuries Selective Breeding Transportation and Excretion Inflammation and Tissue Repair Nervous & Endocrine Systems Cells, Tissues and Organs Tongue and Skin Human Body and Pathogens Healthcare Delivery Systems and Insurance Obstructive Lung Disease Skeletal Muscle Anatomy Oxygenation Bacterial Resistance and BiotechnologyOther quiz:
Cardiovascular System › ViewVeins are
A. vessels carrying oxygenated blood at high pressure
B. vessels carrying deoxygenated blood at high pressure
C. vessels containing valves and carrying oxygenated blood
D. Vessels containing valves and carrying deoxygenated blood
Musculoskeletal System › View
Which organ is considered an involuntary muscle?
A. Quadriceps
B. Heart
C. Hamstrings
D. Biceps