The most common precaution with the use of tPA to watch out for is:

At what anatomic position should an 18-gauge IV catheter be placed to relieve a tension pneu-mothorax?

a. Just inferior to the second rib b. Just inferior to the third rib c. Just superior to the second rib d. Just superior to the fourth rib

Frozen semen can be stored for up to __________ years.

Fill in the blank(s) with the appropriate word(s).