Which of the following statements about CO2 are true? 1. It does not support animal life. 2. It is a flammable gas. 3. It is odorless and colorless. 4. It is heavier than air
a. 1 and 3 only
b. 2 and 3 only
c. 3 and 4 only
d. 1, 3, and 4 only
ANS: D
At STPD, CO2 is a colorless and odorless gas with a specific gravity of 1.52 (approximately 1.5 times heavier than air). Carbon dioxide does not support combustion or maintain animal life.
You might also like to view...
Paranasal sinuses are also called accessory sinuses
A) True B) False
________ Nonsegmented neutrophils have a nucleus that is divided into multiple segments connected by small, thin threads
Indicate whether the statement is true or false
General hospitals are facilities where patients are hospitalized for a short time, from a few days to a few weeks. They provide a wide range of diagnostic, medical, surgical, and emergency care services
A. True B. False
Instruments are sterilized by chemical sterilization for how many minutes at what temperature?
30 to 60/340 10 to 20/250 60 to 120/320 20 to 30/270