Which of the following oxygen-delivery devices will most likely lead to an increase in infections?

During basic adult two-rescuer CPR, you and your partner should perform a ratio of ________ compressions to ________ breaths

A) 5 / 1 B) 15 / 2 C) 15 / 1 D) 30 / 2

Which of the following is a fungal skin infection characterized by a red, raised, round or oval scaling area with a clear center, which creates a ring appearance?

a. Impetigo b. Rosacea c. Ringworm d. Lice