Which of the following is a commonly used intravenous device that is sometimes used in the collection of blood from patients who are difficult to collect blood by conventional methods?

Osha _________________________________

Fill in the blank(s) with correct word

A home care patient inquires about how long her portable liquid oxygen system, currently weighing 30 lb, will last if she uses 3 L/min. The manufacturer says the weight of an empty con-tainer is 8 lb. Her system will last for _____ day(s) and _____ hours

a. 1; 18 c. 4; 21 b. 2; 9 d. 8; 12