What type of cardiovascular single organ–system physical examination best reflects this documented physical examination?

Which of the following statements is true regarding hemoglobinopathies but false in thalassemia?

a. Abnormal hemoglobin polymerizes inside erythrocytes, altering red cell shape. b. Novel hemoglobins composed of abnormal combinations of normal globin chains can be detected on hemoglobin electrophoresis. c. Elevations in embryonic and fetal hemoglobins can be observed. d. The amino acid sequence of the globin chains of the abnormal hemoglobins is normal.

An anaphylactic reaction impairs effective breathing secondary to:

A. catecholamine release. B. upper-airway swelling. C. diffuse alveolar collapse. D. excess fluid in the alveoli.