As of June 2011, the FDA allows any sunscreen product with an SPF above _______ to be labeled as aiding the prevention of skin cancer

Sympathetic nerves arising from the collateral ganglia located in the abdominal cavity, when stimulated, cause all of the following EXCEPT:

a. Reduction of blood flow to abdominal organs b. Bronchodilation c. Relaxing of smooth muscle in the wall of the urinary bladder d. Release of glucose stores from the liver

A drug called a beta blocker (actually an adrenergic beta-1 blocker) would:

a. Slow the heartbeat b. Increase the heartbeat c. Constrict blood vessels d. Dilate the bronchi