Chronic obstructive pulmonary disease (COPD) is characterized by ...

[notis]

Chronic obstructive pulmonary disease (COPD) is characterized by ________.
 
  A) asthma and atelectasis
  B) chronic bronchitis and emphysema
  C) cystic fibrosis and thick mucus
  D) influenza and cough

Question 2

Which antibody is found on the surface of a B cell and activates it to become a plasma cell?
 
  A) IgA
  B) IgD
  C) red blood cell antigen
  D) IgG

[laurnthompson]

Answer to Question 1

B
Explanation: A) Acute bronchitis is not part of COPD.
B) Correct
C) Cystic fibrosis is not related to COPD.
D) Influenza is not related to COPD.

Answer to Question 2

B
Explanation: A) Immunoglobulin A is not associated with B cells.
B) Correct
C) Red blood cell antigens are only on red blood cells.
D) Immunoglobulin G is not associated with B cells.

[notis]

Gracias!

[momolu]

TYSM