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MLT 2023: Quiz Bowl Chemistry Flashcards | StudBud
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MLT 2023: Quiz Bowl Chemistry
MLT 2023: Quiz Bowl Chemistry
28 terms
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StudBud Administration
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Carbohydrates, lipids, and heme products
Flashcards
28 cards
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Practice quiz
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Questions
28
Answers
1
According to the American Diabetes Association what result is consistent with diabetes?
OGTT > or = 140 mg/dL, <200 mg/dL
Fasting Plasma Glucose <100 mg/dL
HGB A1c <5.7%
HGB A1c > or = 6.5%
2
Which of the following is considered a healthy lipid?
HDL
Chylomicrons
Cholesterol
LDL
3
Enzyme that is bound to HDL and LDL in plasma and converts free cholesterol into cholesterol esters
Cholesterol esterase
Lipase
Cholesterol oxidase
Lecithin-cholesterol acyltransferase
4
Which pair of tests would be appropriate to assess pancreatic function?
AST/ALT
Bicarbonate/ BUN
AMY/ LIP
GGT/ALP
5
What is the calculation for osmolality?
Urine Creatinine x Volume/Serum Creatinine
(Na) + (GLU) - BUN x 2
BUN - Glucose + ALKP
2 (Na) + GLU/18 + BUN/2.8
6
The most specific method for the assay of glucose utilizes:
glucose oxidase
hexokinase
glucose dehydrogenase
glucose-6-phosphate
7
The reference range for potassium is 3.5-5.1 mmol/L:
True
False
8
Which test is most appropriate to monitor liver cirrhosis due to alcoholism?
ALP
GGT
ALT
Ammonia
9
Which compound is partially reabsorbed from the intestines through the portal circulation for excretion by the liver?
Urobilin
Urobilinogen
Biliverdin
Azobilirubin
10
LDL is referred to as the “good cholesterol.”
True
False
11
What sample is most collected to perform HGB A1c?
Sodium citrate
EDTA
SST tube
Lithium heparin
12
What results are consistent with uncompensated metabolic acidosis?
pH 8.00. HCO3 22 mmol/L. PCO2 40 mm/Hg
pH 7.30, HCO3 16 mmol/L, PCO2 28 mm/Hg
pH 7.40, HCO3 25 mmol/L, PCO2 40 mm/Hg
pH 7.25, HCO3 15 mmol/L, PCO2 37 mm/Hg
13
In a specimen collected for plasma glucose analysis, sodium fluoride:
inhibits glycolysis
prevents reactivity of non-glucose reducing substances
serves as a coenzyme of hexokinase
precipitates proteins
14
In Iron deficiency:
Ferritin is increased
Iron is increased
TIBC is increased
TIBC is decreased
15
A fasting plasma glucose must be collected in an EDTA vacutainer tube.
True
False
16
Apoprotein responsible for receptor binding for IDL and the chylomicron remnant produced in fat transport
APO B
APO E
APO A1
APO C
17
Mechanism that accounts for elevated levels of beta lipoproteins seen in Fredrickson’s type II lipoproteinemia
Elevated insulin
Apo B-100 receptor defect
Apo C-II-activated lipase deficiency
LCAT deficiency
18
Hemolysis will not affect potassium values:
True
False
19
Bilirubin is a product of:
Heme degradation
Fructose breakdown
Purine metabolism
Breakdown of glycogen
20
Which test was previously named SGOT:
ALP
AST
ALT
AMY
21
A fasting triglyceride level of 1036 mg/dL is indicative of?
Gout
Diabetes
Coronary heart disease
Pancreatitis
22
Hemoglobin is comprised of:
Glucose and peroxidase
Ferritin and transferrin
Magnesium and immunoglobulins
Iron, porphyrin, and globin
23
Which electrolyte is an intracellular cation?
Potassium
Sodium
BiCarbonate
Magnesium
24
Type 1 Diabetes:
caused by lack of intrinsic factor
caused by low levels of Ferritin
due to poor diet
due to lack of insulin production
25
What test would be the most appropriate to assess hepatocellular damage?
AST
Ammonia
Creatinine
Urea
26
Define Glycolysis
Conversion of glycogen to glucagon
Breakdown of glucose to produce carbon compounds and pyruvate
Process by which glucose is produced
Process by which glycogen is produced
27
The methodology for determining potassium (ISE) uses a valinomycin membrane.
True
False
28
What is HDL responsible for?
lipemia in sample
transporting cholesterol from the tissue back to the liver
transporting glucose to the tissue
transporting cholesterol from the liver to the tissues
