What is the role of helper T cells? - ANSWER They produce cytokines, which serve to

1

PASS What is the role of helper T cells? - ANSWER They produce cytokines, which serve to help activate B cells and cytotoxic T cells.

Red-green color blindness affects males more often than females. Men inherit the disease from their mother's side of the family.What is red-green colorblindness? - ANSWER Sex linked

What does Neurobehavioral Congenital Abnormality (ND-PAE) result from? - ANSWER Prenatal exposure to alcohol

Which developmental defect occurs in spina bifida? - ANSWER Failure of the neural tube to close results in a fluid filled sac on the lower back.

How does the spine appear in an individual with kyphosis? - ANSWER An outward curvature of the spine, resulting in a hunchbacked appearance

Julia was learning to roller skate after receiving the skates for her sixth birthday. She fell and outstretched her arm with her wrist flexed to break her fall. Her X-ray revealed a fracture that extended partway through the radius, but not all the way through the bone. What type of fracture did Julia sustain? - ANSWER A greenstick fracture

Leo is a 62-year-old auto mechanic and presents with pain in his hands. The pain is the worst when he wakes up. Last month, he took a week of vacation and reported that the pain subsided. He does not have any other systemic symptoms, and his white blood cell count is normal. Physical exam shows prominent Heberden and Bouchard nodes. - ANSWER Osteoarthritis

• / 1