National Phlebotomy Certification Exam Questions And Answers 100% Verified.

National Phlebotomy Certification Exam Questions And Answers 100% Verified. An individual who has little resistance to an infectious microbe is referred to as a susceptible what? - correct answer. Host Which of the following is an example of a work practice control that reduces risk of exposure to bloodborne pathogens? - correct answer. Wearing gloves to draw blood This ion is essential to the coagulation process. - correct answer. Calcium QC protocols prohibit use of outdated evacuated tubes because why? - correct answer. Tubes my not fill completely, changing additive-to-sample ratios. Molecular genetic testing requires what? - correct answer. Specimens to be collected in sterile EDTA. What is the purpose of an antiglycolytic agent? - correct answer. Preserve glucose Which on of the following tubes is filled first when multiple tubes are filled using an evacuated tube system? - correct answer. Blood culture (SPS) tube What is the recommended disinfectant for blood culture sites in infants 2 months and older? - correct answer. Chlorhexidine gluconate Latent fibrin formation in serum can result from what? - correct answer. Incomplete clotting when centrifuged In which of the following areas does capillary specimen collection differ from routine venipuncture when collecting a BUN and CBC? - correct answer. Order of draw This is an example of a preanalytical error made at the time of collection. - correct answer. Failing to mix tubes What constitutes a positive modified Allen test? - correct answer. The hand color returns to normal in 15 seconds. According to CLSI, which tubes should be placed upright as soon as they are mixed? - correct answer. Nonanticoagulant gel tubes Reference values are higher for capillary specimens with what test? - correct answer. Glucose According to CLSI, the maximum time limit for separating serum or plasma from cells is how long? - correct answer. 2.0 hours from time of collection All of the following are a reason for transporting tubes with the stoppers up EXCEPT which of the following? - correct answer. Maintains the sterility of the sample. The liquid portion of a clotted specimen is called what? - correct answer. Serum The most common reason for glucose monitoring through POCT is to what? - correct answer. Monitor glucose levels for diabetic care. The AMT, ACA, and ASCP are agencies that do what? - correct answer. Certify laboratory professionals A quadriplegic patient can do what of the following? - correct answer. Can feel pain if there is no sensory damage. The standard of care used in phlebotomy malpractice cases is often based on guidelines from what organization? - correct answer. CLSI - Clinical and Laboratory Standards Institute In collecting blood cultures, one of the most frequent errors made is what? - correct answer. Improper cleansing of the collection site Which type of specimen is typically used for routine urinalysis? - correct answer. Random A positive FIT test indicates what? - correct answer. Bleeding in the colon or rectum Accessioning a specimen involves what? - correct answer. AOTA-Connecting it with the correct individual, giving it a unique identification number, and recording it in the order it was received. A blood specimen collected in nongel tube has been centrifuged. The cells at the bottom are free flowing and can be resuspended if the tube is inverted. The term used to describe the liquid portion on top of the cells is what? - correct answer. Plasma The composition of capillary puncture blood more closely resembles what? - correct answer. Arterial Blood A phlebotomist arrives to collect a 2-hour post-prandial glucose specimen on an inpatient and discovers that 2 hours have not elapsed since the patient's meal. What should the phlebotomist do? - correct answer. Ask the patient's nurse to verify the correct time to draw the specimen. Which of the following is referred to as a delivering chamber of the heart? - correct answer. Left ventricle According to laboratory policy, specimens collected need to yield 2.5 times the amount of sample needed to perform the test. If a chemistry test requires 0.5mL of serum, which of the following tubes is the smallest that can be used? - correct answer. 3-mL red top The main difference between serum and plasma is what? - correct answer. Plasma has fibrinogen, serum does not. Which of the following represents proper collection and handling of newborn screening specimens? - correct answer. Use one free-flowing drop to fill both sides; air-dry flat and elevated. Which of the following is a safe area for infant heel puncture? - correct answer. Medial plantar surface Generally, the minimum force and time required to result in good separation of serum or plasma from the cells is what? - correct answer. 1,000 g for 10 minutes All of the following statements concerning an employee bloodborne pathogen exposure incident are true EXCEPT what? - correct answer. The source patient must submit to HIV and HBV testing within 48 hours. Which additive prevents coagulation by binding calcium? - correct answer. Potassium EDTA A prothrombin specimen must be collected from a patient with IVs in both arms. The best place to collect the specimen is from where? - correct answer. Below on of the IVs Biological Substance Category B regulations must be followed when shipping laboratory specimens for diagnostic purposes by public transportation. These regulations require