Certified Phlebotomy Technician (CPT) Quiz: Alcohol Drug Testing

What this quiz covers

This quiz focuses on Alcohol Drug Testing, giving you a quick way to practice the rules, question types, and explanations that matter most for Certified Phlebotomy Technician (CPT).

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

Question 1

1. Accept the specimen as valid since the temperature was within range when initially measured at collection
2. Reject the specimen as dilute and require immediate recollection under direct observation protocols (correct answer)
3. Document the temperature variance and proceed with testing while noting the discrepancy in the chain of custody
4. Request a blood specimen instead since the urine parameters suggest the donor consumed excessive fluids

Question 2

1. Perform DOT collection first using separate chain of custody, then employer testing with different paperwork and split specimen protocols (correct answer)
2. Combine both requests into a single comprehensive collection using DOT protocols since they provide the highest level of regulatory compliance
3. Complete employer testing first to establish baseline, then perform DOT testing with appropriate waiting period between collections
4. Collect single specimen but split into separate aliquots for each testing authority using their respective chain of custody documentation

Question 3

1. The tube vacuum has been compromised; replace with a new gray-top tube and continue collection from the same needle placement (correct answer)
2. Blood clotting is occurring due to aspirin interaction with sodium fluoride; collect in a red-top tube instead and note the tube change
3. Insufficient blood pressure from dental anesthesia effects; apply additional tourniquet pressure and massage the arm to increase flow
4. The anticoagulant ratio is adequate for testing; accept the partial fill and document the volume for laboratory reference

Question 4

1. Delayed processing time exceeded the sodium fluoride preservation window causing cellular breakdown and hemolysis
2. Inadequate tube mixing resulted in anticoagulant precipitation leading to clot formation and subsequent cell damage
3. Transport temperature fluctuations caused thermal shock to red blood cells despite proper anticoagulant preservation (correct answer)
4. Excessive vacuum pressure during collection traumatized cells during aspiration into the sodium fluoride tube

Question 5

1. Proceed with standard collection after washing the patient's arm with soap and water to remove sanitizer residue
2. Use the opposite arm for collection and document the sanitizer use in the collection notes for laboratory reference
3. Delay collection for 15-30 minutes, have patient wash thoroughly, then proceed with non-alcohol antiseptic preparation (correct answer)
4. Collect the specimen immediately using non-alcohol antiseptic to prevent further alcohol exposure from environmental sources

Question 6

1. Allow restroom use but secure the collection area and implement temperature monitoring for all specimens regardless of appearance
2. Deny restroom access, proceed immediately with direct observation collection, and document behavioral observations in chain of custody (correct answer)
3. Permit supervised restroom use with collection occurring within 30 minutes, noting any delays in the documentation
4. Require medical evaluation before collection due to excessive perspiration and apparent distress symptoms

Question 7

1. Collect from the IV line after stopping the infusion for 5 minutes and discarding the first 5 mL to clear line contamination
2. Use the left antecubital area distal to previous puncture sites after confirming adequate time has passed since last draw (correct answer)
3. Select an alternative site such as hand or wrist veins and use pediatric collection tubes to minimize blood volume
4. Collect from below the IV site on the right arm ensuring the tourniquet is placed between the IV and collection site

Question 8

1. Collect urine first under direct observation, then blood specimen, with continuous visual contact maintained throughout both procedures
2. Collect blood specimen first to establish baseline, then supervised urine collection with temperature check within 2 minutes of voiding
3. Perform simultaneous collection using two collectors to prevent any opportunity for specimen manipulation or substitution
4. Collect urine with direct observation, verify temperature and volume immediately, then collect blood while maintaining chain of custody documentation (correct answer)

Question 9

1. Accept the specimen for testing since all quality parameters are within normal limits despite low volume
2. Discard the specimen and start the collection process over with a new collection cup and paperwork
3. Retain the specimen, provide fluids to the donor, and combine it with a second specimen collected within 3 hours (correct answer)
4. Document the insufficient volume as a refusal to test and notify the designated employer representative immediately

Question 10

1. Use betadine instead of alcohol-based antiseptic and allow complete air drying before venipuncture to prevent test interference (correct answer)
2. Apply extra pressure during tourniquet application to compensate for the patient's anticoagulation therapy
3. Select an alternative site away from bruised areas and use standard alcohol-based prep with extended drying time
4. Document the patient's prescription medications before collection to explain potential positive drug screening results