The formation of blackheads on the skin is a result of blockage of which of the following types of gland?

A. Suppressed red blood cell count is typically associated with conditions like anemia or bone marrow issues, not directly with pancreatic dysfunction.

B. Elevated cholesterol levels may result from metabolic conditions, but they are not a primary consequence of pancreatic dysfunction.

C. Elevated blood sugar is a primary result of pancreatic dysfunction, especially in cases like diabetes mellitus, where the pancreas does not produce enough insulin or the body becomes resistant to insulin.

D. Suppressed immune system is not a direct result of pancreatic dysfunction. However, chronic conditions such as diabetes can affect immune function over time, but it is not the primary effect.

A. Flexion refers to a bending movement that decreases the angle between two body parts, such as bending the knee or elbow, but it does not involve lateral movement away from the body's midline.

B. Adduction is the movement of a body part toward the midline of the body, opposite of what the question describes.

C. Extension refers to a straightening movement that increases the angle between two body parts, such as straightening the arm or leg, but again does not involve lateral movement.

D. Abduction is the correct term for moving a limb or body part away from the midline of the body. In this case, it refers to the lateral movement of the leg away from the body's midline.