Chemistry ASCP Review Questions

Which statement about work practice and/or engineering controls is correct? A. Food can be stored in specimen refrigerators if on a separate shelf. B. Recap needles before disposing of them in sharps containers. C. Avoid eating, drinking, and applying makeup in the lab. D. Handwashing is necessary only once or twice a day.

Avoid eating, drinking, and applying makeup in the lab.

Which assay is performed to diagnose congestive heart failure (CHF)? A. Homocysteine B. hs-CRP and Ischemia Modified Albumin C. B-type natriuretic peptide (BNP) D. cTnI and cTnT

B-type natriuretic peptide (BNP)

All of the following statements about using bar-coded labels on specimens are true, EXCEPT? A. Labeling errors are decreased. B. All possibility of errors is eliminated. C. Keyless data entry is facilitated. D. Documentation is standardized.

All possibility of errors is eliminated.

The product produced in amplification is termed: A. Codon B. Nucleic acid C. Amplicon D. Translation

Amplicon

Which analyte should be increased in the presence of pancreatitis? A. Uric acid B. Aldolase C. Amylase D. Troponin

Amylase

What mathematically establishes the direct relationship between the concentration of a substance and its absorbance? A. Beer's law B. Density C. Specific gravity D. Dilution calculation

Beer's law

A lipid panel consists of which of the following tests? A. Potassium, Sodium, Chloride, CO2 B. AST, ALT, Alkaline Phosphatase, Total Protein, Albumin, Total Bilirubin, Direct Bilirubin C. Cholesterol, Lipoprotein, HDL, Triglycerides D. Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, Calcium, Albumin, Phosphorus

Cholesterol, Lipoprotein, HDL, Triglycerides

The highest taxonomic level in the affective domain is: A. Problem-solving B. Proficiency C. Adaptation D. Commitment

Commitment

Which of the following tests would be useful in the assessment of glomerular filtration: A. 24 hour urine protein B. Creatinine clearance C. PSP test D. Urea clearance

Creatinine clearance

In which of the following condition(s) would an increased serum osmolality be an expected finding? A. Increased arginine vasopressin hormone (AVP formerly ADH) secretion B. Diabetes insipidus C. Hyponatremia D. Acute myocardial infarction

Diabetes insipidus

A Renal Function Panel consists of which of the following tests? A. AST, ALT, Alkaline Phosphatase, Total Protein, Albumin, Total Bilirubin, Direct Bilirubin B. Cholesterol, Lipoprotein, HDL, Triglycerides C. Potassium, Sodium, Chloride, CO2 D. Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, Calcium, Albumin, Phosphorus

Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, Calcium, Albumin, Phosphorus

Which of the following is the principle for the biuret method for total protein analysis? A. Digestion of protein; measurement of nitrogen content B. Formation of violet-colored chelate between Cu2+ ions and peptide bonds C. Globulins are precipitated in high salt concentrations D. Proteins separated based on electric charge

Formation of violet-colored chelate between Cu2+ ions and peptide bonds

What section of the SDS would provide information about whether a chemical is carcinogenic? A. Physical and chemical data B. Health hazard data C. Reactivity data D. Handling and storage data

Health hazard data

Which one of the following combinations of organisms would be appropriate positive and negative controls to verify the specific test functions listed? A. Beta hemolysis - Escherichia coli and Streptococcus pyogenes B. Catalase - Staphylococcus aureus and Staphylococcus epidermidis C. Hydrogen sulfide production - Proteus mirabilis and Salmonella typhi D. Indole - Escherichia coli and Klebsiella pneumonia

Indole - Escherichia coli and Klebsiella pneumonia

When iontophoresis is used to collect sweat for chloride analysis, pilocarpine is used to: A. Clean the skin area B. Complex with chloride C. Stimulate nervous system D. Induce the sweat secretion

Induce the sweat secretion

Which one of the following statements about acetaminophen metabolism is false? A. It is metabolized in the kidney B. It is largely metabolized in the liver to glucuronide and sulfonate conjugates C. A small amount is metabolized via cytochrome oxidase to a reactive benzoquinoneimine intermediate D. The benzoquinoneimine intermediate becomes toxic to the liver once tissue glutathione becomes depleted

It is metabolized in the kidney

Computer passwords for laboratory computers should be: A. Kept confidential B. Written beside the computer C. Shared with the supervisor D. Shared with your coworker

Kept confidential

Which of the following conditions should be suspected if a healthy patient presents with an elevated potassium level while all other chemistry results are normal? A. The sample is turbid. B. The sample is hemolyzed. C. The sample is clotted. D. The sample is lipemic

The sample is hemolyzed.

Colligative properties of solutions include all of the following EXCEPT: A. The solutions pH B. Freezing point C. Osmotic pressure D. Vapor pressure

The solutions pH

You are presenting a case study at a conference. The case involves a patient who was in your care and is now deceased. You would like to use specific information about the case. To comply with the HIPAA Privacy Rule, what needs to be done before using the individual's health information in your presentation? A. You need to de-identify the information by removing all patient identifiers. B. You do not need to do anything. Because the patient is deceased, the information is no longer considered protected health information (PHI). C. You need to contact a relative of the former patient to obtain written consent. D. You should have obtained the patient's consent before he/she deceased.

You need to de-identify the information by removing all patient identifiers.

Which of the following proteins has the FASTEST electrophoretic mobility? A. Albumin B. Alpha globulins C. Beta globulins D. Gamma globulins

Albumin

Which analyte should be increased in the presence of muscular dystrophy? A. Uric acid B. Aldolase C. Amylase D. Troponin

Aldolase

How is valproic acid (Depakote) administered? A. IM injection B. Sublingual C. Oral preparation D. IV

Oral preparation

Thin-layer chromatography is particularly useful as a tool in the identification of: A. Steroids B. Enzymes C. Drugs D. Hormones

Drugs

Which of the following is considered an indirect hazard of electrical energy? A. Death B. Fire C. Shock D. Burns

Fire

A routine serum protein electrophoresis with normal proteins results in _____ zones or bands. A. Five B. Six C. Ten D. Twelve

Five

Which of the following is a direct nucleic acid test? A. Fluorescence polarization immunization (FPI) B. Polymerase chain reaction (PCR) C. Fluorescence In Situ Hybridization (FISH) D. Nucleic acid sequence-based amplification (NASBA)

Fluorescence In Situ Hybridization (FISH)

Which type of toxicology is primarily concerned with medical and legal consequences of exposure to chemicals and drugs? A. Forensic toxicology B. Clinical toxicology C. Environmental toxicology D. Descriptive toxicology

Forensic toxicology

The education coordinator for the hospital is required to develop competency assessment activities for the POCT providers in the emergency department. What document may serve as a guideline for specific steps to be included in the assessments? A. Blank log sheets B. Completed QC records C. Manufacturer's instructions D. Safety data sheets (SDSs)

Manufacturer's instructions

The regulations that are listed in the Code of Federal Regulations (CFR) should be considered: A. Optional for hospital transfusion services B. Minimum standards that a facility can exceed C. Regulations that only apply to licensed facilities D. Maximum standards that a facility could attain

Minimum standards that a facility can exceed

Weight Needed Equation

Molarity x Molecular Weight x Volume = Grams

Which of the following conditions would make a sample unsuitable for lactic acid testing? A. Movement of hand or arm during specimen collection. B. Received in the laboratory on ice. C. Centrifuged in a refrigerated centrifuge. D. Specimen centrifuged and plasma separated from cells less than 15 minutes after collection.

Movement of hand or arm during specimen collection.

An electrophoretic separation of lactate dehydrogenase isoenzyme that demonstrates elevation in LD-1 greater than LD-2 could be indicative of: A. A normal LD isoenzyme pattern B. Myocardial infarction C. Pancreatitis D. Diabetes mellitus

Myocardial infarction

What coenzyme does LD use when converting lactate to pyruvate? A. FAD+ B. NAD+ C. NADH D. FADH2

NAD+

Which of the following is a violation of billing requirements for laboratory services? A. Obtaining a physician signed order with requested testing listed. B. Performing testing on a verbal order from the nursing assistant. C. Performing testing with documented medical necessity or appropriate medical diagnosis. D. Documenting results for physician-ordered laboratory testing and services in the patient chart.

Performing testing on a verbal order from the nursing assistant.

Which analyte shows no difference between capillary and venous values? A. Glucose B. Phosphorus C. Bilirubin C. Calcium

Phosphorus

Which of the following blood additives is most useful for serum collection? A. Polymer gel barrier B. Oxalate C. EDTA D. Citrate

Polymer gel barrier

Which of the following conditions would be suggested by a jaundiced patient experiencing a marked rise in alkaline phosphatase (ALP), conjugated bilirubin, and a slight rise in alanine aminotransferase (ALT)? A. Cardiovascular disease B. Hepatitis C. Post-hepatic cholestasis D. Renal failure

Post-hepatic cholestasis

All of the following analytes would be significantly increased in a plasma sample due to hemolysis, EXCEPT? A. Potassium B. LDH C. Sodium D. AST

Sodium

What is the maximum concentration of a chemical allowable for repeated exposure without producing adverse health effects called? A. Threshold limit value B. Time-weighted average C. Ceiling Value D. Short-term exposure limit

Threshold limit value

Which protein is also known as prealbumin because it migrates before albumin in the customary electrophoresis of serum or plasma proteins? A. Transferrin B. Transthyretin C. Retinol-binding protein D. Fibronectin

Transthyretin

Which of the following lipid results would be expected to be FALSELY elevated on a serum specimen from a non-fasting patient? A. Cholesterol B. Triglyceride C. HDL D. LDL (not calculated)

Triglyceride

Which of these methods are used to identify prior exposure to Mycobacterium tuberculosis? A. Tuberculin skin test (TST) or blood tests known as interferon-gamma release assays B. Gram stain C. White blood cell count D. Tissue sample

Tuberculin skin test (TST) or blood tests known as interferon-gamma release assays

Select the statement that best describes high sensitivity CRP (hs-CRP) testing? A. hs-CRP is a measurement of acute inflammation and is used to monitor these types of conditions B. hs-CRP is an anti-inflammatory adipokine synthesized by adipocytes C. hs-CRP is a marker of chronic inflammation and measured to predict the risk of cardiovascular disease D. hs-CRP is decreased in inflammatory conditions and measured to predict a return of inflammation

hs-CRP is a marker of chronic inflammation and measured to predict the risk of cardiovascular disease

To convert degrees Celsius to degrees Fahrenheit, which formula would you use? A. (5/9 x degrees Celsius) - 32 B. (5/9 x degrees Celsius) + 32 C. (9/5 x degrees Celsius) - 32 D. (9/5 x degrees Celsius) + 32

(9/5 x degrees Celsius) + 32

The ultimate end product of both epinephrine and norepinephrine metabolism is: A. Metanephrine B. Vanillylmandellic acid (VMA) C. Homovanillic acid (HVA) D. Cortisol

Vanillylmandellic acid (VMA)

The volume of urine recommended for centrifugation for a microscopic examination is: A. 1 - 3 mL B. 10 - 15 mL C. 15 - 20 mL D. Volume is not important

10 - 15 mL

In the steps involved in performing a bone marrow differential what objective is used and how many cells must be counted? A. 100x (oil), 100 cells B. 40x (oil), 100 cells C. 10x, 200 cells D. 100x (oil), 200 cells

100x (oil), 200 cells

A computer monitor should be set approximately how many inches away from the eyes? A. 1 - 3 inches B. 5 - 10 inches C. 10 - 15 inches D. 20 - 40 inches

20 - 40 inches

What is the approximate time that should be allowed for samples to completely clot before centrifugation for serum samples? A. 5 minutes B. 10 minutes C. 15 minutes D. 20 minutes

20 minutes

Determine the molarity of a solution of HCl that is contained in a Class A 1-L volumetric flask filled to the calibration mark. The content label reads 32 g HCl. The gmw of HCl=36.46 g/mol. A. 0.88 mol/L B. 0.90 mol/L C. 0.92 mol/L D. 0.98 mol/L

32/36.46 = 0.88 mol/L

Serum proteins can be separated by cellulose acetate electrophoresis into how many basic fractions: A. 4 fractions B. 5 fractions C. 6 fractions D. 7 fractions

5 fractions

A CSF glucose value is 62 mg/dL. What would you estimate the serum glucose? A. 65 mg/dL B. 93 mg/dL C. 120 mg/dL D. 180 mg/dL

93 mg/dL CSF glucose is roughly estimated to be about 2/3 of the serum glucose level in mg/dL

What is the CORRECT blood-to-anticoagulant ratio in blue top (sodium citrate) tubes used for coagulation tests? A. 4:1 B. 5:1 C. 9:1 D. 10:1

9:1

What is indicated by the number 3 in the BLUE section of the NFPA diamond? A. No health hazard associated with the chemical B. A slight health hazard associated with the chemical, such as irritation or minor residual injury C. A potentially dangerous health hazard that can be associated with the chemical with continued exposure D. A deadly health hazard associated with the chemical; short exposure could cause death

A potentially dangerous health hazard that can be associated with the chemical with continued exposure

Identify the parts of a microscope

A: Body/frame B: Eyepiece C: Resolving nosepiece D: Mechanical stage E: Ocular objectives F: Stage adjustment G: Objectives H: Light control I: Condenser J: Illuminator/diaphragm K: Fine focus adjustment L: Coarse focus adjustment

All of the following factors affect hybridization, EXCEPT: A. G:C content B. A:T content C. pH D. Temperature

A:T content

A 17-year old African-American male had the following laboratory results: Sickle cell screen = positive Hemoglobin Electrophoresis: Hb S = 40% Hb A = 58% HbA2 = 2% Which of the following is the PROBABLE hemoglobin genotype? A. SS B. AS C. SC D. AC

AS

A Comprehensive Metabolic Panel (CMP) consists of which group of tests? A. Cholesterol, Lipoprotein, HDL, Triglycerides B. Albumin, Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, AST, ALT, Alkaline Phosphatase, Total Protein, Total Bilirubin, Calcium C. Potassium, Sodium, Chloride, CO2 D. AST, ALT, Alkaline Phosphatase, Total Protein, Albumin, Total Bilirubin, Direct Bilirubin

Albumin, Glucose, BUN, Creatinine, Sodium, Potassium, Chloride, CO2, AST, ALT, Alkaline Phosphatase, Total Protein, Total Bilirubin, Calcium

Which of the following tumor markers is associated with testicular cancer? A. PSA B. CEA C. Beta hCG D. CA-125

Beta hCG

MOST of the carbon dioxide present in the blood is in the form of: A. Bicarbonate B. Carbonate C. Carbonic acid D. Dissolved CO2

Bicarbonate

Estrogen (ERs) and progesterone (PRs) receptors used as tumor markers are most commonly employed to provide prognostic information about: A. Breast cancer B. Uterine cancer C. Menopause D. Cervical cancer

Breast cancer

Which of the following tumor markers is widely used for the detection of colorectal cancers? A. CEA B. PSA C. Alpha-fetoprotein D. Beta hCG

CEA

All of the following statements concerning CK-MB (CK-2) are true EXCEPT: A. Greater than 5% or 10 IU/L followed by an LDH-1: LDH-2 flip is specific evidence of myocardial infarction (MD). B. CK-MB levels can be normal with an elevated total CK. C. CK-MB and troponin levels can be elevated after an AMI. D. CK-MB levels are normal in cardiac ischemia.

CK-MB levels are normal in cardiac ischemia.

All of the following are directly responsible for setting and monitoring competency requirements for laboratory personnel, EXCEPT: A. CAP B. HCFA C. Joint Commission (formerly JCAHO) D. CLSI

CLSI

If a person comes in direct contact with an electrical source and sustains an electrical shock, which of the following actions should be taken once the current has been shut off and/or the person has been freed from contact with the current? A. Call 911 immediately and have the victim stay in motion. B. Place an icepack on the affected area. C. Call 911 immediately and lower the victim's head below the trunk of the body and elevate the legs. D. No additional actions are required.

Call 911 immediately and lower the victim's head below the trunk of the body and elevate the legs.

Which of the following is a TRUE statement concerning the Category A agents of bioterrorism? A. Category A agents carry the third highest priority. B. Category A agents are difficult to disseminate. C. Category A agents cause high mortality and the potential for major public health impact. D. Category A agents would NOT cause public panic.

Category A agents cause high mortality and the potential for major public health impact.

What detection method releases of light energy as the product of a chemical reaction? A. Chemiluminescence B. Radioactivity C. Fluorescence D. Electrophoresis

Chemiluminescence

Which of the following clinical laboratory departments performs the most tests? A. Urinalysis B. Microbiology C. Clinical Chemistry D. Hematology

Clinical Chemistry

The three base nucleotide sequence that provides the information necessary to identify an amino acid is termed a(n): A. Codon B. Genome C. Probe D. Oligonucleotide

Codon

Which one of the following cardiac biomarkers could detect a recent reinfarction?. A. Troponin I (TnI) B. Troponin T (TnT) C. Lactate dehydrogenase (LD) D. Creatine kinase MB (CK-MB)

Creatine kinase MB (CK-MB)

Which of the following analytes would be increased due to delay in centrifugation? A. Creatinine B. Ionized Calcium C. Folate D. Bicarbonate

Creatinine

You are collecting a blood specimen to be used for forensic (legal) alcohol testing. Which of the following must be done before you can start the specimen collection process? A. Label the tubes in the presence of the patient. B. Must inform the patient that the blood about to be collected is for alcohol testing. C. Seal the collection tubes in front of the patient. D. Collect the specimen, the patient does not need to be informed what the blood is collected for.

Must inform the patient that the blood about to be collected is for alcohol testing.

An adult's plasma cortisol of 22 µg/dL at 8:00 a.m. and 10 µg/dL at 4:00 p.m. would be: A. Consistent with Addison's disease B. Consistent with Cushing's syndrome C. Found in a healthy individual. D. Consistent with pheochromocytoma

Found in a healthy individual.

Patients with Cushing's disease typically exhibit: A. Decreased plasma 17-hydroxysteroid concentration B. Decreased urinary 17-hydroxysteroid excretion C. Serum cortisol overproduction D. Decreased cortisol secretion rate

Serum cortisol overproduction

Unconjugated bilirubin is conjugated in the liver with which of the following substances to become water-soluble? A. Glycogen B. Glucose oxidase C. Glucuronic acid D. Glycine

Glucuronic acid

When operating a centrifuge, what happens if the centrifugation time is reduced and the speed increased? A. Hemolysis of red cells can occur. B. The potential breakage of collection tube is highly increased. C. There is increased chance of exposure to biohazardous agents. D. Mechanical damage to the centrifuge may occur.

Hemolysis of red cells can occur.

What type of anticoagulant is generally suitable for TDM analysis? A. Heparin B. EDTA C. Citrate D. Oxalate

Heparin

Quality control lockout is a desirable feature in a POCT (point of care testing) analyzer because: A. It prevents operators from altering QC records. B. It prevents QC from being recorded when outside 2 standard deviations. C. It prevents the wrong QC material from being used. D. It prevents testing when QC has not been performed.

It prevents testing when QC has not been performed.

A phlebotomist must perform a skin puncture to obtain capillary specimens for a complete blood count (CBC), a plasma-based chemistry test, and a serum-based immunology test. The microcollection containers that will be used are lavender top containing EDTA anticoagulant, green top containing heparin anticoagulant, and gold top containing no anticoagulant. Which microcollection container should be collected first? A. Lavender top B. Green top C. Gold top D. Red top

Lavender top

Which of the following thyroid function assay results would you expect with hyperthyroidism? A. High TSH, low free T4 B. Normal TSH, normal free T4 C. Low TSH, high free T4 D. High TSH, normal free T4

Low TSH, high free T4

Which of the following analytes would be increased due to delay in centrifugation? A. Glucose B. Ionized Calcium C. Potassium D. Bicarbonate

Potassium

What is the focus of both Lean principles and the Six Sigma methodology? A. Process improvement B. Quality control C. Reducing variation D. Reducing waste

Process improvement

The selectivity of an ion-selective electrode is determined by the: A. Properties of the membrane used B. Magnitude of the potential across the membrane C. The size of the membrane used D. Neural potential of the membrane

Properties of the membrane used

When collecting a specimen for vitamin A, which of the following special precautions needs to be taken? A. Keep specimen at body temperature (37° C) B. Chill the specimen in an ice bath C. Protect the specimen from light D. There are no special precautions required

Protect the specimen from light

A young man is experiencing difficulty breathing after fainting. The physician orders an arterial blood gas analysis which shows the following results: pH = 7.25 pCO2 = 62 mmHg pO2 = 70 mmHg HCO3- = 23 mmol/L Which condition is most likely afflicting this patient? A. Metabolic alkalosis B. Metabolic acidosis C. Respiratory alkalosis D. Respiratory acidosis

Respiratory acidosis

A medical event occurs that results in serious injury to a patient. All systems, processes, and common causes that were involved in the adverse event should be evaluated. A method that can be implemented to effectively study the underlying causes is known as: A. Failure mode and effect analysis B. Monitoring of quality indicators C. Medical record audit D. Root cause analysis

Root cause analysis

All of the following test principles are matched with an accurate statement concerning the method, EXCEPT: A. Fluorescence in situ hybridization (FISH) - Often detects targets in cytology/histology specimens B. Restriction fragment length polymorphism (RFLP) - Cuts long DNA into shorter fragments to detect polymorphisms C. Southern Blot - Uses restriction endonuclease enzyme and gel electrophoresis D. Short Tandem Repeats (STR) - Most widely used method to determine DNA sequence.

Short Tandem Repeats (STR) - Most widely used method to determine DNA sequence.

A blue-top tube containing 3.2% sodium citrate needs to be collected for coagulation studies. The physician also ordered other tests to be collected in a green-top containing lithium heparin, a serum separator tube containing a clot activator, and a lavender-top containing EDTA are collected at the same time. At what point should the blue-top tube be collected? A. Should be the first tube collected B. After the serum tube C. Should be the last tube collected D. The order doesn't matter

Should be the first tube collected

What does the equation in parenthesis measure? (TN/TN+FP) A. Specificity B. Sensitivity C. Precision D. Variance

Specificity

Which one statement about Standard Precautions is most correct? A. Standard Precautions means to treat all patients as if they were infectious. B. Standard Precautions means to treat blood, all body fluids, all secretions, all excretions, non-intact skin, and mucous membranes as if they were infectious. C. Standard Precautions do not apply to feces or urine. D. Standard Precautions do not apply to pleural fluid or semen.

Standard Precautions means to treat blood, all body fluids, all secretions, all excretions, non-intact skin, and mucous membranes as if they were infectious.

Which of the following immunosuppressive drugs below has been associated with thrombus formation in patients with toxic levels? A. Tacrolimus B. Cyclosporine C. Sirolimus D. Mycophenolic acid

Tacrolimus

What is internal quality control? A. Using only data from one shift in quality control calculations. B. Comparing one laboratory's results to those of other similar laboratories. C. Testing commercial materials in-house to quickly verify test validity. D. Conducting in-house strategy meetings.

Testing commercial materials in-house to quickly verify test validity.

The pharmacogenetic profiling reveals a mutation in a CYP450 enzyme that causes increased enzyme activity. Which of the statements below is incorrect? A. There are variations in the enzymes as a result of genetic polymorphism. B. It would require that the patient with this mutation is given greater than the standard dose of a drug if it is metabolized by this enzyme. C. The profiling can be used to predict drug-drug interactions. D. The CYP450 variants have no influence on drug metabolism.

The CYP450 variants have no influence on drug metabolism.

Which of the following best describes the methodology for FISH? A. Uses directly labeled fluorescent nucleotides or probes with reporter molecules that are indirectly detected by fluorescent antibodies or affinity molecules B. Signal amplification test that uses signal amplification and alkaline phosphatase C. Target amplification test that uses thermal cycling and DNA polymerase D. Target amplification test using thermal cycling and DNA ligase

Uses directly labeled fluorescent nucleotides or probes with reporter molecules that are indirectly detected by fluorescent antibodies or affinity molecules

What is the MOST environmentally acceptable method for disposal of most chemical waste products? A. Any method is accepted as they are never mandated by most local municipal authorities B. Dispose to a sewer system that connects to a major waterway for dilution C. Incinerate at a waste dump just outside of town to avoid toxic fumes D. The method listed in the appropriate Safety Data Sheet (SDS)

The method listed in the appropriate Safety Data Sheet (SDS)

A laboratory manager wants to evaluate the timeliness of patient services in order to prevent medical errors caused by a delay in treatment. Measuring the turnaround time for which of these analytes would provide the most timely and valuable information? A. Routine glucose tests performed on patients admitted to the medical floors. B. Lipid panels performed by the outpatient clinic. C. Troponin tests from the emergency department. D. Urine creatinine clearance testing conducted on patients seen in the diabetes clinic

Troponin tests from the emergency department.

All of the following entities are associated with a function of or impact on the clinical laboratory, EXCEPT? A. FDA (Food and Drug Administration) B. OSHA (Occupational Safety and Health Administration) C. USDA (U.S. Department of Agriculture) D. The Joint Commission

USDA (U.S. Department of Agriculture)

Occupational exposure to bloodborne pathogens can be prevented by which of the following means? A.Using engineering controls and personal protective equipment (PPE). B.Not shaking hands with patients or clients. C. Asking patients if they have ever been diagnosed with hepatitis or HIV so that special precautions are taken before performing a procedure, such as collecting a blood sample. D. Using contact precautions.

Using engineering controls and personal protective equipment (PPE).

In what portion of the amplification curve (logarithmic plot) should the threshold be set for a real-time PCR? A. At the baseline B. Within the log-linear phase C. At the plateau D. At the last cycle

Within the log-linear phase