The risk of infection can be decreased by reducing the susceptibility of the host to infection, which can be accomplished through _______________.

What has the primary responsibility for sensing and responding to changes in blood levels of CO2?

a. Apneustic centers b. Central chemoreceptors c. Peripheral chemoreceptors d. Pneumotaxic center

"Cupid's bow" is reconstructed in which of the following procedures?

a. cleft lip repair b. malar implants c. nipple recreation d. syndactyly release