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Chemistry test 2
Chemistry test 2
80 terms
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CDF-Carb metabolism
Flashcards
80 cards
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Practice quiz
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Questions
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Answers
1
Fasting blood glucose
70-100 mg/dL
</= 140mg/dL
2
Amino acids and glucose ______ insulin secretion
Increase
Decrease
3
Set of individuals who comprise a defined group
Statistic
Parameter
Population
Sample
4
Aids in the formation of structure of interstitial fluid and connective tissue in your organs
Proteoglycan
Glycosaminoglycan
Glycoprotein
5
5 conditions that may lead to increased protein concentrations in CSF
Bleeding in CNS
Inflammation in CNS
Intrathecal synthesis of Ig
All of the above
6
Derivative of both amino sugar and acid sugar, attaches to proteins, adds negative charge to proteins it attaches to
Deoxy sugars
Sailic acids
7
Inherited defect in tubular reabsorption “Fanconi syndrome”; acquired defect in reabsorption, acute tubular necrosis
Renal proteinuria
Post renal proteinuria
Pre renal proteinuria
8
Percent of data in a Gaussian distribution that falls within 1SD of mean
95.5%
68.2%
99.7%
9
Maltose, lactose, sucrose
Monosaccharides
Polysaccharides
Disaccharides
10
ETC occurs in the
Intermembrane space
Mitochondria
11
Determined by the mean of 20-40 replicate analyses of that control for that test, with several done on several days
Expected variability
Target value
Controls
12
6 carbon monosaccharide-ketohexose
Ribulose
Galactose
Fructose
Glucose
13
A variable whose value describes a characteristic of a population (what you want to measure)
Sample
Parameter
Population
Statistic
14
Decreased oxygen would back up ETC bc of concentration gradient
True
False
15
Pyruvate will turn to what if the ETC and Krebs backs up
Carbon monoxide
Lactate
Citrate
16
6 carbon monosaccharide-aldohexose
Fructose
Galactose
Ribulose
Glucose
17
Aldehyde and an alcohol condense; with glucose or other sugars too; ring forms from C1 to C5
Beta anomer
Alpha anomer
Hemiketals
Hemiacetals
18
Krebs cycle occurs in mitochondria matrix and every glucose molecule gets converted into 2 pyruvates during
Aerobic Glycolysis
Anaerobic glycolysis
19
Serum protein concentration goes down leading to nephrotic syndrome and could result in edema, swelling and puffy eyes.
Post renal proteinuria
Pre renal proteinuria
Renal proteinuria
20
Persistent microalbuminuria is considered an early warning sign for; >30-300mg/day
Chronic kidney disease
Death
Liver disease
21
Comprised of 75% albumin, 2% prealbumin and Tau protein (asialotransferrin), low Ig
Peripheral blood
CSF
Amino acids
22
Parametric statistics
Non-Gaussian distribution
Gaussian distribution
23
Ribose, ribulose, glucose, galactose and fructose
Disaccharides
Polysaccharides
Monosaccharides
24
Amylose, amylopectin, glycogen and cellulose
Monosaccharides
Polysaccharides
Disaccharides
25
Selective; mild damage to glomeruli; <3g/day
Post renal proteinuria
Pre renal proteinuria
Renal proteinuria
26
Disaccharide(s) with the reducing potential of 1 glucose
2 of the above
Maltose
Lactose
Sucrose
27
Made of glucose alpha and fructose beta, C1 - C2 glycocidic bonds, cannot open back up to reduce!
Maltose
Sucrose
Lactose
28
The “controls”/samples, QC procedures, statistical analysis of results, decision rules are components of QC program
True
False
29
Formed from digestion of starch
Sucrose
Maltose
Lactose
30
Summary of data collected from a sample, to provide an estimate of a population parameter
Parameter
Population
Sample
Statistic
31
Probability of selecting one individual from a population more than 1SD from the mean
31.8%
4.5%
0.3%
32
Strictly glucose molecules, must be connected by alpha1,4 glycosidic binds, certain number bond to another #6C=branches
Amylopectin, glycogen
Cellulose
Amylose
33
More than 5% of results are more than 2SD from mean
Shift
Increased imprecision
Trend
Increased bias
34
Polydipsia, polyuria, polyphagia and DKA are signs of Type 1 diabetes mellitus
False
True
35
Protein urine excretion in healthy adult
<100mg/day
<75mg/day
<150mg/day
<200 mg/day
36
Age, sex, genetic factors, physiological factors and things such as environmental or socioeconomic factors
Would need multiple reference ranges
Would use a single reference range
37
Coomassie blue and Pyrogallol Red bind to all proteins in CSF
True
False
38
Percentage of patients who have a disease and will give you the results you expect for disease
True negative (clinical specificity)
False negative (clinical specificity)
True positive (clinical sensativity)
False positive (clinical sensativity)
39
Reference range for total protein in CSF
15-45 mg/dL
35-50 mg/dL
5-15 mg/dL
40
Example of why you might exclude an individual from a reference range study
Specific physiological states
All of the above
Disease risk factors
Intake of pharmacologically active agents
41
2SD from mean 4.5%, 3 SD from mean 0.3% and 2SD from mean on two consecutive runs 0.2% is the probability a control fail
True
False
42
Nothing wrong with kidneys; myglobinuria, hemoglobinuria and Bence Jones
Post renal proteinuria
Renal proteinuria
Pre renal proteinuria
43
Turbidimetric methods of measuring proteins concentration includes all of the follow EXCEPT
Proteins precipitated by reagents like SSA, TCA and benzethinium chloride
Therapeutic drugs may falsely increase result
Complex absorbs light and obeys Beers law
Suspended ppt. Scatters light and obeys Beers Law
44
Defective insulin release from beta cells; either insulin receptors are bad or signaling pathways are bad
Type 1
Type 2
45
Increase cyanide or ninitrophenol and _________ ETC which would _______ oxidative phosphorylation
Increase; start
Decrease; stop
Decrease; start
Increase; stop
46
Renal threshold for reabsorption in proximal tubules is exceeded
Renal proteinuria
Post renal proteinuria
Pre renal proteinuria
47
Hydroxyl on anomer ic carbon formed UNDER plane ring
Beta anomer
Alpha anomer
48
Goals of quality control
Minimize the number of reliable results falsely reported
Detect and reject patient results with significant errors
Minimize the number of erroneous results that are reported
Report reliable patient results in a timely manner
49
Normal albumin and other plasma protein excretion
<50mg/day
<20mg/day
<30mg/day
<40 mg/day
50
Epinephrine decreases insulin secretions
True
False
51
Non-selective; severe damage to glomeruli, proteins of all sizes lost in urine; up to 10 g/day
Renal proteinuria
Pre renal proteinuria
Post renal proteinuria
52
The brain and RBCs depend on glucose
True
False
53
Monosaccharide- aldopentose
D-glucose
D-ribose
D-ribulose
D-galactose
54
Benign; <1g/day; strenuous except use, cold temps pregnancy
Pre renal proteinuria
Renal proteinuria
Post renal proteinuria
55
Made of galactose and glucose, beta anomeric form, 1,4 glucocidic bond, reducing sugar
Maltose
Sucrose
Lactose
56
Sample selection, adequate # of individuals, analysis of freq. distrib. chart and elimination of outliers
Process of determining reference range
Process of determining mean
Process of determining standard deviation
57
Usually due to phlebotomist drawing wrong patient or mislabeled tubes
Delta check failur
Quality control
58
Glycogen tends to have more branching than amylopectin
True
False
59
Find top and bottom 2.5% to get central 95% (#of results X 0.025)
Non-parametric
Parametric
60
Standard deviation is the square root of
The mean
The mode
The coefficient of variation
The variance
61
Energy is captured by reducing NAD+ to NADH which feeds into ETC
False
True
62
What is maltose made of?
Fructose + Glucose
Galactose + Glucose
Glucose + Glucose
63
Insulin independent tissue
All of the above
Brain and liver
Lens of cornea
RBC/WBC
64
Glucagon is produced by alpha cells in pancreases and regulates ability to regulate glucose to keep in blood stream
True
False
65
Many glucose molecules bonded together, straight chain
Amylose
Cellulose
Amylopectin, glycogen
66
Lab test(s) for preeclampsia
All of the above
Serum creatinine and uric acid
CBC
12-24 hr urine protein excretion rate
67
What is the first department that gets a CSF sample above others?
Chemistry
Microbiology
Hematology
Immunology
68
Dye binding methods measures light
Scatter
Absorbance
69
The ETC will get stuck if there is no O2 to accept the electrons
False
True
70
36 miles of ADP to ATP per glucose molecule; CO2; H2O; NADH H and FADH2 are products of Krebs
True
False
71
6 carbon monosaccharide- aldohexose
Glucose
Ribulose
Ribose
Fructose
72
Can form with fructose and other sugars; bond between ketone and alcohol; C2 and C5 interact
Beta anomer
Hemiketal
Hemiacetal
Alpha anomer
73
Autoimmune destruction of beta cells in the pancreas so loss of insulin production
Type 1
Type 2
74
Acetyl CoA feed carbons to Karen cycle. Adding its 2 Carbons to 4 carbons on oxalacetate and making 6 carbon
Citrate
Lactate
75
When you have a protein core with a lot of disaccharide branches coming off of polysaccharide
Glycosaminoglycans
Fructosamine
Glucosamine
76
Bonds between beat D glucose instead of alpha, considered a fiber, hydrogen bonds
Cellulose
Amylose
Amylopectin
77
Monosaccharide-ketopentose
Glucose
Fructose
Ribulose
Ribose
78
Characteristics of QC material or control
Have an expected range
Target value for each analyte in specimen
Analyzed as unknowns along with patient specimens
Specimen close to patient body fluid composition
79
“Sponge”; core protein with many glycosaminoglycans attaches to it; seen in connective and synovial tissue
Proteoglycans
Glycosaminoglycans
Glycoproteins
80
Organs beta cells responsible for synthesizing and secreting insulin
Kidney
Heart
Liver
Pancreas