A small child falls down and cuts his knee.A few days later a scab forms over the wound.After a few weeks,the wound does not appear to be healing,but it is not infected.Which of the following could explain this?
A)The child has a neutrophile deficiency.
B)The child has a platelet deficiency.
C)The child has a cytokine deficiency.
D)The child has a mast cell deficiency.
E)Answers C or D are possible.

Question

Quizplus · Accepted Answer

Cytokines are important for wound healing as they regulate the immune response and tissue repair. Mast cells also play a role in inflammation and healing. Deficiencies in either could impair healing without causing infection.

A Small Child Falls Down and Cuts His Knee