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Phleb exam 11-12
questions for chapter test 11 & 12
| Question | Answer |
|---|---|
| Forensic toxicology is concerned with: | legal consequences of toxin exposure |
| All of the following are urine drug screen patient collection requirements as defined by the NIDA EXCEPT: | documentation must be carefully maintained from courier to receiver. |
| The correct order when collecting a blood culture is: | select equipment, perform friction scrub,cleanse bottle tops, perform venipuncture. |
| False-positive lactose tolerance tests have been found in all of the following EXCEPT: | male multiple myeloma |
| If an assumed parent in a paternity case is not excluded by ABO grouping, any of the following testing may be required EXCEPT: | red blood cell indices |
| All of the following statements about autologous donations are true EXCEPT: | unused autologous units may be used by other patients. |
| The CPD additive in a donor unit of blood serves to do all of the following EXCEPT: | control bacterial contamination |
| A transfusion of incaptible blood is often fatal because: | it causes lysis, or rupturing, of red blood cells within the vascular system |
| when using cell salvaging procedure during surgery, what analyte must be evaluated before the patients blood can be re-infused? | free hemoglobulin |
| All of the following are donor unit collection principles EXCEPT: | additives EDTA and sodium fluoride are contained in the collection bag |
| Some individuals lack the mucosal enzyme to convert which of the following sugars so that it can be digested? | lactose |
| ARD and FAN blood culture bottles: | remove any antibiotics that are in the blood |
| Septicemia is: | microorganisms found in the blood |
| The med point transfusion system is a: | portable bedside barcode scanning system and printer. |
| Eligibility requirements for donating blood include: | ages 17-66, 110 pounds or more |
| All of the following are classified as drugs of abuse EXCEPT: | phenobarbital |
| Which of the following tests is collected from patients with FUO to rule out septicemia? | blood cultures times two |
| Why would blood cultures be collected with an antimicrobial adsorbing resin? | the patient is taking a broad spectrum antibiotic |
| which specimen tubes must contain a 9:1 ratio of blood to anitcoagulant to be accepted for testing? | coagulation |
| what type of additive is best for collecting an ethanol specimen? | sodium fluoride |
| which blood culture container is inoculated first when the specimen has been collected by syringe? | anaerobic vial |
| the most critical aspect of blood culture collection is: | skin antisepsis |
| this is an abbreviation for a test that evaluates platelet plug formation in the capillaries? | BT |
| All of the following activities can affect glucose tolerance test (GTT) results EXCEPT: | lying down during the test |
| When does the timing of specimen collection begin during a glucose tolerance test? | When the patient has finished the glucose beverage |
| A phlebotomist arrives to collect a 2 hour postprandial glucose specimen on an inpatient and discovers the 2 hours have not elapsed since the patient's meal. WHat should the phlebotomist do? | Ask the patient's nurse to verify the correct collection time |
| When does a blood glucose level in normal individuals typically peak after glucose ingestion? | 1/2 an hour to 1 hour |
| The purpose of TDM is to? | determine and maintain a beneficial drug dosage |
| Timing of collection is most critical for drug with short-half lives such as: | gentamicin |
| A bleeding time (BT) test assesses the functioning of which of the following celluar elements? | thrombocytes |
| The most common reason for glucose monitoring in point-of-care testing (POCT)is to: | monitor glucose levels for diabetic care |
| A trace-element-free tube is the best choice for a collecting a specimen for all of the following EXCEPT: | sodium |
| WHich test typically has the shortest TAT if performed by point-of-care testing (POCT) | BUN |
| Monitoring blood coagulation through point-of-care testing may be performed during all of the following EXCEPT: | lithium therapy |
| Which of the following equipment is NOT needed for the (BT) bleeding time test | vinyl tourniquet |
| At what intervals is the blood bltted during a bleeding time test? | 30 seconds |
| When performing the bleeding time test the sphygmomanmeter is inflated to: | 40 mm Hg. |
| All of the following will prolong a bleeding time test EXCEPT: | allowing the pressure on the BP cuff to drop |
| This test can determine if an individual has developed antibodies to a particular antigen | skin test |
| Which of the following is a protein specific the the heart muscle | TnT |
| This test is used to evaluate the long term effectiveness of diabetes therapy | hemoglobin A1c |
| This test is also referred to as the packed cell volume | HCT |
| The hormone detected in urine pregnancy testing is: | HCG |
| An uncorrected imbalance of this analyte in a patient can quickly lead to death. | potassium |
| What type of specimen is needed for a guaiac test? | feces |
| How much diluted antigen is injected when performing a PPD test? | 0.1 mL |
| When reading a patient's tuberculin (TB) test, there is an area of induration and erythema that measures 7mm in diameter. The result of the test is: | doubtful |
| Which of the following cannot be detected in a urine specimen then compared visually against the color codes on reagent strip container? | thrombin |
| Which point-of-care test helps a physician differentiate chronic obstructive pulmonary disease (COPD) and congestive heart failure (CHF) | BNP |
| Arteriospasm is defines as: | artery contraction resulting from pain, irritation by a needle or anxiety |
| Formation of a thrombus can result in all of the following EXCEPT: | injury to the inner arterial wall |
| Which of the following actions associatedwith arterial blood gas procedure are in correct order? | assess, position, clean, punture, fill, expel, label |
| Why is the arterial blood better for blood gas determination then venous sample? | Arterial analytes are consistant throughout the body. |
| which of the following is NOT a blood gas component? | PO4 |
| Arterial blood gas evaluation would most likely be perfored on a patient with: | pulmonary disease |
| All of the following are typically used in arterial puncture instruction EXCEPT: | diagnosis of the condition at bedside |
| all of the following conditions would be reasons to avoid a site as a choice for arterial punture EXCEPT: | A pulse that is especially strong |
| Which of the following is a disadvantage of using the radial artery the radial artery for ABG collection | it is small and difficult to feel |
| Disadvantages of puncturing the brachial artery include all of the following EXCEPT the it: | has erratic blood pressure |
| Arterial blood gas specimens are collected in syringes rather than tubes because: | evacuated tube pressure can change the results |
| Steady state means that the patient has: | no suction or respirator changes |
| Positioning of the arm for radial atrerial blood gas specimen collection includes all of the following EXCEPT: | arm adducted |
| The thumb should not be used to feel for an artery because it: | has a pulse |
| When performing arterial puncture direct the needle | away from the hand facing the flow |
| which of the following is an acceptable angle of needle insertion for drawing a radial arterial blood gas? | 45 |
| how do you know when you have "hit" an artery during areterial blood gas collection? | A flash of blood appears in the syringe hub |
| Which of the following is the best way to tell if a specimen is arterial? As the specimen is collected the blood will: | pump into the collection syringe |
| as soon as the needle is withdrawn following arterial blood gas specimen collection, the: | phlebotomist should apply pressure for 3-5 mins |
| What should the phlebotomist do if the pulse is faint or absent following an ABG collection? | notify the patient's nurse or the lab supervisor |
| An arterial specimen collected in a appropriate plastic syringe is typically transported: | at room temperature |
| Which of the following would be a reason to terminate arterial puncture? | The patient complains of extreme pain and discomfort |
| All of the following would cause an ABG specimen to be rejected EXCEPT: | unavoidable delay in collection |
Created by:
Brittanyj
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