4.
Match the temperature and time requirement in Column I to the method of heat
sterilization in Column II.
COLUMN I
COLUMN II
Temperature Time
Method of heat sterilization
(1) ____
320F
a.
Autoclave (slower time)
2hours
(2) ____
340F
b.
Autoclave (faster time)
1hours
(3) ____
250F
c.
Chemical vapor
30 min/15 psi
(4) ____
270F
d.
Dry heat (slower time)
20 min/20 psi
(5) ____
270F
e.
Dry heat (faster time)
7 min/30 psi
5.
Which method of heat sterilization takes longer?
a. Autoclave.
b. Chemical vapor.
c.
Dry heat.
6.
Which method of heat sterilization is more likely to cause rust and corrosion of
instruments?
a. Autoclave.
b. Chemical vapor.
c.
Dry heat.
7.
Which method of heat sterilization requires a temperature of 270F maintained for
7 minutes at 30 psi?
a. Dry heat.
b. Autoclave.
c.
Chemical vapor.
MD0509
2-17