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Clinical Chemistry Exam 1 (232 questions and answers).
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Clinical Chemistry Exam 1 (232 questions and answers).
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ClinicalChemistry Exam
1 (232 questions
and answers)
Which of the following is a positive acute-phase
reactant?
a. Transferrin
b. Albumin
c. Ferritin
d. Prealbumin - answer Ferritin
The plasma protein that serves to transport a large
number of compounds including bilirubin, calcium,
drugs, and free fatty acids is:
a. Prealbumin
b. Ceruloplasmin
c. Haptoglobin
d. Albumin - answer Albumin
,Alpha-1 antitrypsin inhibits which class of
protease?
a. Metalloproteases
b. Aspartyl proteases
c. Cysteinyl proteases
d. Serine proteases - answer Serine proteases
The most abundant circulating immunoglobulin in
adult serum is:
a. IgA
b. IgD
c. IgG
d. IgM - answer IgG
The enzyme that demonstrates highest serum
activity in Paget diseasae (osteitis deformans) and
is also elevated in hepatobiliary disease is:
a. Alkaline phosphatase (ALP)
b. Creatine kinase (CK)
c. Amylase (AMY)
d. Alpha-glutamyltransferase (GGT) - answer
Alkaline phosphatase (ALP)
,The serum enzyme that demonstrates an increase
in activity 4 to 8 hours after an attack of acute
pancreatitis, peaks at 24 hours, and then returns
to normal within a week is:
a. AMY
b. Lipase (LPS)
c. ALP
Serum cholinesterase (CHE) - answer Lipase (LPS)
Which of the following enzymes catalyzes the
reaction of glutamate and pyruvate to form 2-
oxogluturate and an amino acid?
a. ALP
b. Aspartate aminotransferase (AST)
c. Alanine aminotransferase (ALT)
d. CK - answer Alanine aminotransferase (ALT)
Children have higher ALP activity than healthy
adults because:
a. ALP leaks from osteoblasts during normal bone
growth
b. Developing hepatocytes produce excess ALP
during normal growth
c. Striated muscle contains the greatest activity of
ALP, and children are more energetic than adults
, with concomitant release of excess ALP from
muscle
d. The presence of ALP in the pancreas is elevated
during childhood - answer ALP leaks from
osteoblasts during normal bone growth
Which of the following enzymes demonstrates an
increase in activity with progressive Duchenne
muscular dystrophy, followed by a decrease as
muscle mass decreases?
a. ALP
b. ALT
c. CHE
d. CK - answer CK
The most common method for measuring sodium
and potassium is
a. Flame emission spectrophotometry
b. Enzymatic methods
c. Atomic absorption spectrophotometry
d. Ion-selective electrode - answer Ion-selective
electrode
Cause of Isosmotic Hyponatremia. Describe
sodium, osmolality, glucose, and urea levels -
answer pseudo-hyponatremia caused by the
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