Which type of cast is applied often to children and immobilizes unilateral or bilateral hips and femurs?

How do red thrombi differ from white thrombi?

a. Their location b. Their composition c. Their location and composition d. Their degree of severity

Which of the following best describes carcinogens?

a. Cancer-causing genes b. Cancer-causing agents such as chemicals and radiation c. Cancer-causing immune conditions d. Cancer-causing hormones