1. Which is the most critical part of a biological safety cabinet?
a. location in the laboratory
b. high efficiency particulate air filter
c. personal protective equipment
https://www.stuvia.com/en-us/user/techgrades
, d. power source available ANS >>> High Efficiency Particulate Air Filter
2. what is the function of a catalyst in a anaerobic jar?
a. keeps excessive condensation from forming
b. keeps toxic levels of carbon dioxide from building up
c. only works properly when damp
d. combines residual oxygen with hydrogen to form water ANS >>> combines
residual oxygen with hydrogen to form water
3. what is a micron?
a. 0.00001 mm
b. 0.001 mm
https://www.stuvia.com/en-us/user/techgrades
, c. 0.01 mm
d. 0.0001 mm ANS >>> 0.001 mm
4. what is 10^3 ANS >>> 100
5. how much sodium chloride is required to make 300 ml of a 5 % solution?
ANS >>> -
5/100 = x/300 = 5(300)/100 = 15 g
6. which endocrine test is not performed on a 24 hour urine?
a. VMA
B. TSH
C. BJ PROTEIN
https://www.stuvia.com/en-us/user/techgrades
, D. 17 KS ANS >>> BJ PROTEIN
7. which is detected by a pregnancy test?
a. prolactin
b. FSH
c. oxytocin
d. HCG ANS >>> HCG
8. which urine chemical test results is associated with hepatic dysfunction?
a. protein trace
b. SG 1.025
c. glucose positive
https://www.stuvia.com/en-us/user/techgrades
a. location in the laboratory
b. high efficiency particulate air filter
c. personal protective equipment
https://www.stuvia.com/en-us/user/techgrades
, d. power source available ANS >>> High Efficiency Particulate Air Filter
2. what is the function of a catalyst in a anaerobic jar?
a. keeps excessive condensation from forming
b. keeps toxic levels of carbon dioxide from building up
c. only works properly when damp
d. combines residual oxygen with hydrogen to form water ANS >>> combines
residual oxygen with hydrogen to form water
3. what is a micron?
a. 0.00001 mm
b. 0.001 mm
https://www.stuvia.com/en-us/user/techgrades
, c. 0.01 mm
d. 0.0001 mm ANS >>> 0.001 mm
4. what is 10^3 ANS >>> 100
5. how much sodium chloride is required to make 300 ml of a 5 % solution?
ANS >>> -
5/100 = x/300 = 5(300)/100 = 15 g
6. which endocrine test is not performed on a 24 hour urine?
a. VMA
B. TSH
C. BJ PROTEIN
https://www.stuvia.com/en-us/user/techgrades
, D. 17 KS ANS >>> BJ PROTEIN
7. which is detected by a pregnancy test?
a. prolactin
b. FSH
c. oxytocin
d. HCG ANS >>> HCG
8. which urine chemical test results is associated with hepatic dysfunction?
a. protein trace
b. SG 1.025
c. glucose positive
https://www.stuvia.com/en-us/user/techgrades
