CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
Which of the following ionization techniques is preferred
for trace elements?
a. matrix assisted laser desorption b. inductively coupled plasma (mass spec)
b. inductively coupled plasma *trace element & heavy metal analysis
c. electrospray
d. chemical
Which of the following factors may cause an albumin
result to fail a delta check flag when using the bromocresol
green method? a. patient recumbent during venipuncture
a. patient was recumbent during venipuncture (same as having tourniquet on too long >1 min cause
b. specimen was collected in Li heparin hemoconcentration)
c. specimen was icteric
d. patient was not fasting
Which of the following requirements must be induced in
the setup of a lab info system?
a. specimen assigned a unique barcode label d. identification code and password to each user
b. instrumentation interfaced with the lis (security & privacy always primary requirement)
c. lis interfaced to electronic medical record
d. identification code and password to each user
Which of the following components is responsible for
autoverification?
a. server
d. middleware
b. output device
c. analyzer
d. middleware
Which of the following factors is most likely to cause a
falsely increased creatinine clearance result in a 24 hr
urine specimen?
a. including first morning voided urine in sample collec-
tion
, CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
b. using mid-stream voided urine fo the sample collec-
tion
c. failing to include the last voided urine at the end of the
a.
sample collection
d. failing to include some of the urine during sample
collection
What is the effect on sodium quality control results if the
calibration standards are over-diluted?
a. decreased imprecision b
b. positive shift (over diluting cal = read lower = less steep curve)
c. negative shift
d. increased imprecision
What is the molal freezing point of a sample with an
osmolality of 403 mOsm/Kg?
b. -0.75C
a. -0.075C
b. -0.75C
403 X (-1.86C/1Osm) X (1Osm/1000mOsm) = -0.75
c. 0.075C
d. 0.75C
Which of the following conditions correlates with a plasma
phosphorus of 0.35 mmol/L?
a. rhabdomyolysis
d. DKA
b. acromegaly
c. hypoparathyroidism
d. DKA
Which of the following ionization methods may be used
for liquid chromatography mass spectrometry?
a. inductively coupled plasma
b. electrospray
b. electrospray
c. electron
d. MALDI
, CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
Given a serum chloride of 30 mmol/L what is the expected
chloride level in the CSF? c. 50 mmol/L
a. 30 mmol/L **CSF chloride is 20 mmol/L higher than serum chloride
b. 20 mmol/L levels
c. 50 mmol/L (Sodium is the same in serum and CSF)
d. 10 mmol/L
Factors that contribute to a PCO2 electrode requiring
60-120 sec. to reach equilibrium include:
a. diffusion characteristics of the membrane
a
b. actual blood PO2
c. type of calibrating standard
d. potential of the polarizing mercury cell
An emphysema patient suffering from fluid accumulation
in the alveolar spaces is likely to be in what metabolic
state?
a. respiratory acidosis a
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis
At blood pH of 7.40 what is the ratio of bicarbonate to
carbonic acid?
a. 15:1
b
b. 20:1
c. 25:1
d. 30:1
The reference rang for the pH of arterial blood measured
at 37C is:
c
a. 7.28-7.34
b. 7.33-7.37
, CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
c. 7.35-7.45
d. 7.45-7.50
A common cause of respiratory alkalosis is?
a. vomiting
b. starvation d
c. asthma
d. hyperventilation
Acidosis and alkalosis are best defined as fluctuations in
pH and CO2 content changes due to changes in:
a. Bohr effect
c
b. O2 content
c. bicarbonate buffer
d. carbonic anhydrase
A blood gas sample was sent to the lab on ice and a
bubble was present in the syringe. The blood had been
exposed to room air for at least 30 minutes. The following
changes in blood gases will occur:
d
a. CO2 increased, PCO2 decreased
b. Co2 content & PO2 increased; pH increased
c. CO2 content and PCo2 decreased; pH decreased
d. PO2 increased, HCO3 decreased
Select the test which evaluates renal tubular function:
a. IVP
b. creatinine clearance c
c. osmolarity
d. microscopic urinalysis
The degree to which the kidney concentrates the
glomerular filtrate can be determined by:
d
a. urine creatinine
b. serum creatinine
Study online at https://quizlet.com/_eeb7y9
Which of the following ionization techniques is preferred
for trace elements?
a. matrix assisted laser desorption b. inductively coupled plasma (mass spec)
b. inductively coupled plasma *trace element & heavy metal analysis
c. electrospray
d. chemical
Which of the following factors may cause an albumin
result to fail a delta check flag when using the bromocresol
green method? a. patient recumbent during venipuncture
a. patient was recumbent during venipuncture (same as having tourniquet on too long >1 min cause
b. specimen was collected in Li heparin hemoconcentration)
c. specimen was icteric
d. patient was not fasting
Which of the following requirements must be induced in
the setup of a lab info system?
a. specimen assigned a unique barcode label d. identification code and password to each user
b. instrumentation interfaced with the lis (security & privacy always primary requirement)
c. lis interfaced to electronic medical record
d. identification code and password to each user
Which of the following components is responsible for
autoverification?
a. server
d. middleware
b. output device
c. analyzer
d. middleware
Which of the following factors is most likely to cause a
falsely increased creatinine clearance result in a 24 hr
urine specimen?
a. including first morning voided urine in sample collec-
tion
, CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
b. using mid-stream voided urine fo the sample collec-
tion
c. failing to include the last voided urine at the end of the
a.
sample collection
d. failing to include some of the urine during sample
collection
What is the effect on sodium quality control results if the
calibration standards are over-diluted?
a. decreased imprecision b
b. positive shift (over diluting cal = read lower = less steep curve)
c. negative shift
d. increased imprecision
What is the molal freezing point of a sample with an
osmolality of 403 mOsm/Kg?
b. -0.75C
a. -0.075C
b. -0.75C
403 X (-1.86C/1Osm) X (1Osm/1000mOsm) = -0.75
c. 0.075C
d. 0.75C
Which of the following conditions correlates with a plasma
phosphorus of 0.35 mmol/L?
a. rhabdomyolysis
d. DKA
b. acromegaly
c. hypoparathyroidism
d. DKA
Which of the following ionization methods may be used
for liquid chromatography mass spectrometry?
a. inductively coupled plasma
b. electrospray
b. electrospray
c. electron
d. MALDI
, CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
Given a serum chloride of 30 mmol/L what is the expected
chloride level in the CSF? c. 50 mmol/L
a. 30 mmol/L **CSF chloride is 20 mmol/L higher than serum chloride
b. 20 mmol/L levels
c. 50 mmol/L (Sodium is the same in serum and CSF)
d. 10 mmol/L
Factors that contribute to a PCO2 electrode requiring
60-120 sec. to reach equilibrium include:
a. diffusion characteristics of the membrane
a
b. actual blood PO2
c. type of calibrating standard
d. potential of the polarizing mercury cell
An emphysema patient suffering from fluid accumulation
in the alveolar spaces is likely to be in what metabolic
state?
a. respiratory acidosis a
b. respiratory alkalosis
c. metabolic acidosis
d. metabolic alkalosis
At blood pH of 7.40 what is the ratio of bicarbonate to
carbonic acid?
a. 15:1
b
b. 20:1
c. 25:1
d. 30:1
The reference rang for the pH of arterial blood measured
at 37C is:
c
a. 7.28-7.34
b. 7.33-7.37
, CSMLS Chemistry + Hematology Questions
Study online at https://quizlet.com/_eeb7y9
c. 7.35-7.45
d. 7.45-7.50
A common cause of respiratory alkalosis is?
a. vomiting
b. starvation d
c. asthma
d. hyperventilation
Acidosis and alkalosis are best defined as fluctuations in
pH and CO2 content changes due to changes in:
a. Bohr effect
c
b. O2 content
c. bicarbonate buffer
d. carbonic anhydrase
A blood gas sample was sent to the lab on ice and a
bubble was present in the syringe. The blood had been
exposed to room air for at least 30 minutes. The following
changes in blood gases will occur:
d
a. CO2 increased, PCO2 decreased
b. Co2 content & PO2 increased; pH increased
c. CO2 content and PCo2 decreased; pH decreased
d. PO2 increased, HCO3 decreased
Select the test which evaluates renal tubular function:
a. IVP
b. creatinine clearance c
c. osmolarity
d. microscopic urinalysis
The degree to which the kidney concentrates the
glomerular filtrate can be determined by:
d
a. urine creatinine
b. serum creatinine
