illustrated.
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
d. power source available - CORRECT ANSWER .High Efficiency Particulate Air Filter
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 - CORRECT ANSWER
.combines residual oxygen with hydrogen to form water
what is a micron?
a. 0.00001 mm
b. 0.001 mm
c. 0.01 mm
d. 0.0001 mm - CORRECT ANSWER .0.001 mm
what is 10^3 - CORRECT ANSWER .100
how much sodium chloride is required to make 300 ml of a 5 % solution? - CORRECT
ANSWER .5/100 = x/300 = 5(300)/100 = 15 g
,which endocrine test is not performed on a 24 hour urine?
a. VMA
B. TSH
C. BJ PROTEIN
D. 17 KS - CORRECT ANSWER .BJ PROTEIN
which is detected by a pregnancy test?
a. prolactin
b. FSH
c. oxytocin
d. HCG - CORRECT ANSWER .HCG
which urine chemical test results is associated with hepatic dysfunction?
a. protein trace
b. SG 1.025
c. glucose positive
d. blood positive - CORRECT ANSWER .protein trace
which backup test is used to confirm a positive protein in urine?
a. ictotest
b. ssa test
c. clinitest
d. acetest - CORRECT ANSWER .SSA test
which analyze requires the use of a 24hr urine preservative?
a. cortisol
b. protein
c. creatinine clearance
d. VMA - CORRECT ANSWER .VMA
which clinical condition is associated with increased uric acid levels?
a. gout
b. rectal cancer
c. liver disease
d. prostatic cancer - CORRECT ANSWER .gout
wich organisms are demonstrated with ZN stain?
a. ova and parasites
b. yeast
c. acid fast bacilli
d. fungus - CORRECT ANSWER .acid fast bacilli
which reagent is used as a dye trapping agent mordant in the Grams stain?
a. lugols iodine
b. grams iodine
, c. acetone alcohol
d. crystal violet - CORRECT ANSWER .grams iodine
which structure carries urine from the bladder to the outside of the body?
a. renal pyramid
b. urter.
c. urethra
d. vas deferens - CORRECT ANSWER .urethra
which applies to the 24 hr urine collection?
a. emptying bladder immediately before starting collection
b. discarding the last specimen of the day
c. never adding a preservative to the container
d. sterilizing the specimen after collection - CORRECT ANSWER .emptying the
bladder immediately before starting collection
what is the next step when a patient requests their test results?
a. have him phone their physician
b. give him the test results yourself
c. make an appointment for him
d. tell him that the tests results are not back yet - CORRECT ANSWER .have him phone
their physician
which urine chemistry test may be positive in a patient with uncontrolled diabetes
mellitus?
a. nitrate and protein
b. glucose and ketones bodies
c. glucose and nitrate
d. protein and ketone bodies - CORRECT ANSWER .glucose and ketone bodies
which is not a standard sized flask?
a. 25ml
b. 500 ml
c. 85 ml
d. 1000 ml - CORRECT ANSWER .85 ml
which refers to centrifuge speed? - CORRECT ANSWER .rpm
what is the comment term for cerebrovascular accident?
a. heart attack
b. stroke
c. aneurysm
d. arrhythmia - CORRECT ANSWER .stroke
what is the equivalent of 52.3kg?
a. 24lb