CSMLS
for accurate measurement where should a volumetric pipette be viewed?
a. above eye level
b. below eye level
c. at an angel
d. at eye level - correct answer-at eye level
how is acid diluted with water?
a. mix in equal quantities
b. add water to the acid or base
c. add the acid or base to water
d. work as quickly as possible - correct answer-add the acid or base to water
how much eosin is required to make 25 ml of a 2 % solution - correct answer-
how much h2SO4 is required to make 225 mL of 2% solution - correct answer-2/100 = x /
225 -- (2)(225)/100 = 4.5 g
how much NAC1 is required to make 100 ml of a 2% solution? - correct answer-2g
how much NaOH is required to make 450 ml of a 3 % - correct answer-13.5
how much of a 50% solution of boric acid would be needed to make 1 L of 10 % solution? -
correct answer-L--mL
C1V1=C2V2
(1000)(10) / 50 = 200 mL
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
how should specimens for arterial blood gases determination be transported to the
laboratory?
a. at body temp
b. in a freezer
c. on ice
d. stab cell amount - correct answer-on ice
ingestion of which food may cause serum to appear lipemic?
a.apple
b. butter
c. carrot
d. hard candy - correct answer-butter
oxygen passes to the tissues from blood via which structure?
a. lymphatic vessels
,b. arteries
c. arterioles
d. capillaries - correct answer-capillaries
the body system responsible for eliminating metabolic waste products from the body is the
a. endocrine system
b. female reproductive system
c. male reproductive system
d. urinary system - correct answer-urinary system
what applies to a hematocrit?
a. expressed as a decimal fraction
b. represents the space occupied by the packed RBCS
c. closely parallel the values of hemoglobins and RBC
d. all the above - correct answer-all the above
what applies to standard deviation?
a. expresses amount of variation around a mean value
b. used in quality graphs
c. used to calculate reference ranges
d. all the above - correct answer-all the above
what are platelets?
a. derived from masts cells
b. leukocytes
c. nucleated
d. thrombocytes - correct answer-thrombocytes
what are T cells?
a. monocytes
b. neutrophils
c. lymphocytes
d. eosinophils - correct answer-lymphocytes
what are Wintrobe and Westergren methods used for?
a. prothrombin time
b. sedimentation rate
c. icterus index
d. hematocrit - correct answer-sedimentation rate
what causes the appearance of holes in a blood smear? - correct answer-dirty slide
what does "pneum" refer to?
a. liver
b. kidney
c. abdomen
d. lung - correct answer-lung
, what does a decreased hematocrit indicated?
a. hemophilia
b. anemia
c. lipemia
d. leukopenia - correct answer-anemia
what does mL measure?
a. length
b. volume
c. area
d. weight - correct answer-volume
what does STAT mean?
a. as soon as possible
b. somatic tremor appears in tracing
c. immediately
d. some type of artifact throughout - correct answer-immediately
what does the symbol mean
a. compressed gas
b. ionizing radiation
c. biohazard
d. oxidizing material - correct answer-b----- ionizing radiation
what does the term pc refer to?
a. after meals
b. consultation before surgery
c. before exercise
d. after surgery - correct answer-after meals
what does this symbol indicate?
a. compressed gas
b. flammable
c. corrosive
d. oxidizing material - correct answer-oxidizing material
what does this symbol mean?
a. compressed gas
b. flammable
c. corrosive
d. oxidizing material - correct answer-flammable
what happens to a leukocyte count during a bacterial infection?
a. decreased
b. increased
c. normal
d. slightly decreased - correct answer-increased
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