In goats, the appendage that suspends from the head, under the chin, is called the:

The peripheral blood smear of a patient with anemia reveals normochromic RBCs. Which of the following is likely to be the cause of the anemia?

a. Thalassemia b. Chronic inflammation c. Sickle cell anemia d. Porphyrias

Which are the most common type of antibodies found in the body?

A. IgA B. IgE C. IgG D. IgM