Penicillin is the drug of choice for which of the following?

Tetrahydrozoline is used in the treatment of:

A) Closed-angle glaucoma. B) Epithelial keratitis. C) Allergic conjunctivitis. D) Corneal ulcers.

When examining an injured extremity, you should be sure to:

A. manipulate it in different directions to determine where fractures might exist. B. keep it elevated at all times. C. splint it to reduce movement before conducting any assessments. D. squeeze the entire limb starting from the top in a systematic, firm manner.