The time from ovulation to menstruation is approximately ________ days

Which of following is considered FALSE in connection with sprinkler systems at commercial building or warehouse fires?

A) If the sprinklers are supplied by the same water main feeding the immediate hydrant system in the area, hooking up pumpers to these hydrants could rob the sprinklers of water. B) Sprinkler systems produce a large amount of steam and smoke, restricting visibility. C) Immediately shutting down the sprinkler to reduce water and improve visibility is a priority. D) It is important to determine if the sprinkler system has sectional stop valves before shutting down the system.

The usual dose of ranitidine for maintenance therapy is:

A) 800 mg hs B) 20 mg hs C) 150 mg hs D) 300 mg qid