A patient has severe swelling of the leaf-shaped flap that helps to prevent food from entering the lower respiratory system while swallowing. Knowing that the suffix "itis" refers to inflammation, what is this patient's condition?

What finding is present in all types of a-thalassemias?

a. Hemoglobin H (Hb H) inclusions seen with Brilliant cresyl blue b. Anemia c. Microcytic hypochromic red cells d. Barts hemoglobin present at birth

Which of the following statements about second-degree heart block, Mobitz type I, is correct?

A. It is an unstable condition that can quickly lead to complete heart block. B. It requires immediate emergency measures. C. It is difficult to control using medication. D. It is usually a temporary condition that resolves itself.