Wk 8 quiz, Wk 9 quiz, Exam 3 review bingo Flashcards

1
Q

Which of the following statements is NOT true concerning testing for drugs of abuse?

-A two-tired testing approach includes screening and confirmatory testing
-Confirmatory testing must use methods with high specificity and low sensitivity
-Screening tests detect classes of drugs
-GC-MS is the reference method used for confirmation

A

Confirmatory testing must use methods with high specificity and low sensitivity

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2
Q

Common routes of exposure to toxins are through the gastrointestinal tract, lungs, and skin.

-True
-False

A

True

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3
Q

Which of the following is NOT true concerning analysis of toxic agents?

-Screening tests have good specificity but lack sensitivity
-Confirmatory tests report the concentration of the analyte
-Screening tests are a rapid test intended to detect the presence of a substance
-The reference method for most compounds is gas chromatography with a mass spectrometer (GC-MS)

A

Screening tests have good specificity but lack sensitivity

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4
Q

Toxic levels of acetaminophen are associated with:

-Ototoxicity
-Nephrotoxicity
-Hepatotoxicity
-Neurotoxicity

A

Hepatotoxicity

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5
Q

Pharmacokinetics and drug concentration are influenced by which of the following factors?

-Absorption, distribution, excretion, metabolism
-Absorption, bioavailability, excretion, metabolism
-Biotransformation, distribution, excretion, metabolism
-Adaption, distribution, excretion, metabolism

A

Absorption, distribution, excretion, metabolism

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6
Q

A drug’s most direct and effective method of delivery to its site of action is:

-Oral administration
-Intramuscular injection
-Intravenous administration
-Aerosol ingestion

A

Intravenous administration

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7
Q

A blood draw to determine a peak level of a drug should be drawn:

-One hour after an orally administered dose
-Immediately after drug administration
-90 minutes after an orally administered dose
-Immediately before drug administration

A

One hour after an orally administered dose

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8
Q

Cytochrome P450 is an enzyme that influences the effectiveness of a drug in an individual.

-True
-False

A

True

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9
Q

The major transporter of drugs

A

Albumin

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10
Q

The phenomenon in which a drug is metabolized and results in a reduced concentration of the drug before reaching the circulatory system

A

First Pass Effect

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11
Q

The study of the biochemical and physiological effects of drugs and their mechanisms of actions

A

Pharmacodynamics

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12
Q

This tumor marker often is measured in both the total and free form

A

PSA

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13
Q

The concentration range of a drug within which the drug produces the desired effect

A

Therapeutic Range

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14
Q

This tumor marker is primarily used as a marker for ovarian cancer

A

CA-125

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15
Q

This is found as a contaminant of homemade liquors and can cause optic neuropathy

A

Methanol

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16
Q

This is a significant environmental pollutant and is easily taken up by crops – especially tobacco

A

Cadmium

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17
Q

This is a cardioactive drug that is used to treat arrythmias and CHF. Biotin is known to interfere with this test

A

Digoxin

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18
Q

The most direct and effective route of administration of a drug

A

IV

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19
Q

This is a common malignant tumor in kids associated with high levels of plasma, epinephrine, norepinephrine and dopamine

A

Neuroblastoma

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20
Q

This test is used along with hCG to classify nonseminomatous tumor

21
Q

This is a kind of testing method that can be performed on solid tissue tumor markers

A

Immunohistochemistry

22
Q

The predicted dose that would produce a toxic response in 50% of the population

23
Q

This may occur when analyte concentrations exceed the analytical range excessively

A

Hook Effect

24
Q

This drug is the hepatic metabolite of procainamide

25
The study of the movement of drugs in the body
Pharmacokinetics
26
This drug commonly is tested for both the total and free forms
Phenytoin (Dilantin)
27
Endogenous substances biologically synthesized either in living cells or in microorganisms
Toxins
28
This tumor marker is the prototypical oncofetal antigen and is used for monitoring colorectal cancer
CEA
29
Uses the results from animal experiments to predict what level of exposure will cause harm to humans
Descriptive Toxicology
30
This is a metal with 3 forms, one of which is liquid at room temp
Mercury
31
This is a useful system to compare relative toxicities of substances as the predicted endpoint is death
Dose-Response Relationship
32
B-macroglobulin and immunoglobulins are part of this group of tumor markers
Serum Protein Tumor Markers
33
Chemicals and drugs that are not normally found in or produced by the body
Xenobiotics
34
"Trace Element Free"
Royal Blue Top Tube
35
This is an example of something that can have significant interference in immunoassays by cross-linking with the capture/label antibody
HAMAs
36
This drug is ototoxic enough that it is recommended that baseline audiology testing is performed
Tobramycin
37
This type of tumor marker can help to choose between endocrine and cytotoxic therapies
Receptor Tumor Marker
38
Tumor marker methodology include all of the following except: Immunoassays Gas chromatography Immunohistochemistry Enzyme analysis
Gas chromatography
39
Which of the following tumor markers is classified as an oncofetal antigen? Carcinoembryonic antigen (CEA) CA 19-9 BRCA-1 hCG
Carcinoembryonic antigen (CEA)
40
Which tumor marker is associated with neuroblastoma? CA-15-3 Carcinoembryonic antigen (CEA) CA 125 Homovanillic acid (HVA)
Homovanillic acid (HVA)
41
Abnormally low tumor marker concentrations are associated with antigen deficiency and can cause false negative results True False
False
42
Elucidates cellular, molecular, and biochemical effects of xenobiotics within context of dose-response relationship between the xenobiotic and its adverse effects
Mechanistic toxicology
43
Toxicology specialty that is primarily concerned with medical and legal consequences of exposure; used to generate evidence in legal situations
Forensics
44
Treats GPC and GPB, one of its adverse effects is "redman's syndrome"
Vancomycin
45
Its effect is reduced when its taken with antacids; antiepileptic that also works as analgesic
Gabapentin
46
Movement of a drug between blood circulation and tissues and organs, and the relative proportion of the drug in tissues
Drug distribution
47
Included drugs in a screening panel (ABBCOTT)
Amphetamines Barbiturates Benzodiazepines Cocaine Opioids THC Tricyclic antidepressants
48
Commonly used to detect hormones and metabolites secreted by tumors
High Performance Liquid Chromatography (HPLC)