Which of the following are true regarding a direct-acting cylinder valve?
I. It acts directly on the valve seat.
II. Turning the valve stem moves a diaphragm.
III. It is used on large cylinders (H or K).
IV. It is used on small cylinders (E)
A) I and III
B) I and IV
C) II and III
D) II and IV
B
Health Professions
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Which of the following is an organism in which pathogens reside?
a. Reservoir b. Cistern c. Host d. Hiatus
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Which of the following is one of the two greatest hazards at a confined space incident?
a. fall/crush injuries b. electrical shock c. engulfment d. oxygen deficiency
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