You are performing the chest PE on a patient who came in for dyspnea. The left lung fields were dull on percussion while vocal fremitus was increased. This is consistent with:
A. Emphysema
B. Pneumothorax
C. Pleural effusion
D. Asthma
E. Consolidation
Oxytocin is a / an
a. Enzyme
b. Hormone
c. Antibody
d. Antigen