A 62-Year-Old Man Is Evaluated for Persistent Dry Cough and Exertional

question 351

Short Answer

A 62-year-old man is evaluated for persistent dry cough and exertional dyspnea that has progressed over the past year.  He has had difficulty accomplishing normal daily activities.  The patient has no significant medical history and takes no medications.  He smoked cigarettes for 10 years and quit 25 years ago.  The patient works as an investment banker and does not use alcohol or illicit drugs.  Vital signs are normal.  Physical examination shows bilateral inspiratory crackles and digital clubbing.  CT scan of the chest is shown in the exhibit.  Which of the following changes are most likely present in this patient's lung tissue?

A)A
B)B
C)C
D)D
E)E

• A)A
• B)B
• C)C
• D)D

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Definitions:

Prosopagnosia

A brain disorder marked by an inability to identify facial features.

Priming

A technique in psychology used to train people's memory both in positive and negative ways by presenting information that influences the response to subsequent stimuli without awareness of the connection.

Sensory Nerve Endings

Specialized structures responsible for converting external stimuli like touch, temperature, and pain into neural signals that the brain can interpret.

Sensory Receptors

Sensory nerve endings that respond to stimuli.