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Phle Test ?'s #1
test review 98 practice questions
| Question | Answer |
|---|---|
| Which of the following procedures requires blood collection for trough and peak-level determinations? | Therapeutic drug monitoring |
| Which of the following laboratory tests requires the patient to eat normal, balanced meals for at least 3 days before the blood is collected for the test? | GTT |
| Which of the following analytes requires that the blood be transported immediately to the laboratory in an ice slurry? | renin activity |
| Which of the following should be collected in a royal blue–topped tube? | nickel |
| The enzyme aspartate aminotransferase is sometimes listed on the laboratory request form as: | SGOT. |
| The glucose-6-phosphate dehydrogenase quantitative procedure requires blood to be collected in a: | red-topped tube. |
| Which of the following tests requires blood to be collected in a pink-topped tube? | Coomb's Test |
| Which of the following laboratory tests requires the use of a specially prepared acid-washed plastic syringe when the test specimen is collected in a syringe? | trace metals |
| A false-positive blood culture is more likely to occur if: | iodine solution is used to clean the venipuncture site but not the cleaned gloved palpating finger. |
| For blood culture collections, the most appropriate needle gauge size to use is: | 22-gauge. |
| Blood cultures are often collected from patients who have: | FUO |
| Which of the following types of urine specimens is needed for a bacteria and/or microscopic analysis? | clean-catch |
| If leukocytes are detected on the plastic urinalysis strip when it is dipped into a patient's urine, this detection most likely indicates: | infection of the kidney. |
| White blood cells in the synovial fluid indicate that something is probably wrong in the: | joint cavities. |
| Which of the following specimens must be protected from the light during transportation? | amniotic fluid |
| Which of the following is useful to diagnose acid-base imbalance? | ABG analysis |
| In the performance of an arterial puncture for ABG analysis, what is the preferred angle of needle insertion? | no less than 45 degrees |
| The possibility of releasing plaque from the inner wall of the artery in geriatric patients is a definite disadvantage of using what artery in arterial blood gas collections? | femoral artery |
| Which of the following supplies is needed during an arterial puncture for ABGs? | syringe |
| When performing an arterial blood collection for blood gases, the best site to collect from is: | the radial artery in the patient's nondominant hand. |
| In the performance of neonatal screening for metabolic abnormalities, it is important to: | once the puncture is made, wipe off the first drop of blood with sterile gauze. |
| Which of the following is NOT needed for blood collection through a CVC? | safety lancets |
| The PICC is: | inserted into the arm or hand vein. |
| Which of the following is skin puncture equipment? | Tenderlett |
| The Surgicutt is used for: | bleeding time procedures. |
| TDM specimens are usually performed on: | clotted blood. |
| Which of the following steps is NOT required of the phlebotomist each day when using reagent strips and/or controls in point-of-care testing? | Review the video on the point-of-care procedure. |
| What is the best approach to increase the blood flow from the skin puncture site for patient testing? | massage the area |
| The point-of-care analyzer, HemoCue hemoglobin system uses what time of blood sample(s)? | venous, capillary, or arterial |
| The point-of-care Hemoglobin A1c procedure is used for maintenance of: | blood glucose levels. |
| A point-of-care test that is used in STAT procedures to diagnose cardiac damage and heart attacks is: | troponin T. |
| A patient was requested to have his laboratory results sent to a cardiac specialist. In order for these results to be sent to the other physician, the patient must: | provide written consent. |
| Mr. Bacon, a phlebotomist who collects blood in the outpatient clinic at Northshore Hospital during the week, recently suffered a needle puncture wound when a HIV-positive teenager from whom he was collecting blood became violent and hit him. Northshore H | CDC |
| Which of the following types of health care-acquired infections are most prevalent? | urinary tract infections |
| Airborne precautions may be required for patients with infections such as: | tuberculosis. |
| Reverse isolation rooms are frequently used in: | a cancer center. |
| Which of the following infection control measures requires the use of respiratory protection? | airborne precautions |
| After completion of blood collection in an isolation room, the first step in preparation for leaving the isolation room is to: | Remove the gown by first breaking the paper tie or untying the sash. |
| In point-of-care testing for the microhematocrit procedure, which of the following is appropriate? | Glass capillary tubes that are heparin-coated and wrapped in puncture-resistant films are preferred for the microhematocrit procedure. |
| The CoaguChek System (Roche Diagnostics, Corp.) measures: | PT |
| Which of the following equipment is needed for the Surgicutt bleeding-time test? | blood pressure cuff |
| The hazard labeling system developed by the NFPA has the yellow quadrant of the diamond to indicate: | instability hazard. |
| Chemicals that are defined as "explosive flammables" must be stored: | in an explosion-proof or fireproof room or cabinet. |
| If blood has been spilled, what action should occur by the phlebotomist? | Keep the 1:10 bleach solution in contact with the contaminated area for a minimum of 20 minutes. |
| OSHA requires adherence to what when health care workers must respond to emergencies that have exposure to blood? Adherence to: | standard precautions. |
| For the Surgicutt bleeding-time test, the blood pressure cuff must be inflated on the patient's upper arm to: | 40 mm Hg. |
| Which of the following is considered a fomite? | computer keyboard |
| The work status of a phlebotomist should be "off from work" if he or she has: | impetigo. |
| A chemical used to inhibit the growth and development of microorganisms but not necessarily kill them is: | hydrogen peroxide. |
| To collect blood from IV lines in a hospitalized child, which of the following is needed for a safe method to avoid bloodborne exposure? | transfer device for transferring blood to vacuum collection tubes |
| Microscopic slides of blood are used in a hematology laboratory for which of the following procedures: | performing white blood cell differentials |
| Which vessels carry blood that is lowest in oxygen? | veins |
| Pleural and/or bronchial fluids are most useful in evaluating functions of which body system: | respiratory system. |
| Identify a characteristic of the human heart. | It is a muscle the size of a human hand. |
| Which of the following are more likely to collapse when blood is withdrawn? | veins |
| Circulating blood cells normally include which of the following: | RBCs, WBCs, platelets. |
| A serum specimen has which of the following characteristics: | cellular components form a blood clot. |
| Plasma contains: | fibrinogen. |
| How large are capillaries? | about the size of the diameter of one cell |
| When a blood vessel is injured, what happens to the hemostatic process? | the clotting and repair process begins |
| When a patient is bleeding rapidly and in spurts, what is the most likely reason? | An artery has been punctured or injured. |
| Why is it important to acquire a fasting specimen for venipuncture? | most reference ranges are based on fasting specimens |
| Which of the following should NOT be discarded in a biohazard container after phlebotomy? | the patient's business card |
| During a venipuncture procedure, patients are often asked to "make a fist." When should the fist be released? | after the blood begins to flow |
| Which is the best site for venipuncture? | median cubital vein |
| When should the tourniquet be released for a routine venipuncture? | after blood begins to flow |
| If using an evacuated tube for collecting a routine blood specimen, when should the phlebotomist remove the tube? | when the blood flow ceases |
| Which of the following patient cases would probably NOT need a butterfly needle system for use in a venipuncture procedure? | middle-aged man |
| If a phlebotomist needs to use a syringe for a venipuncture procedure, what type should be used? | one with a safety device that can be activated afterward |
| During a venipuncture procedure, several tubes were required for laboratory testing. One tube was filled and the next evacuated tube was inserted into the holder but blood flow does not occur. What is the most likely problem? | The tube has lost its vacuum and will not aspirate. |
| One clinical reason for NOT using an arm vein is: | arms are edematous. |
| What is the preferred venipuncture site if a patient has had a mastectomy on her left side? | anticubital area of the right arm |
| What is the most commonly used method that is recommended for decontamination of a venipuncture site? | 70% isopropyl alcohol |
| What is the recommended area when hand veins are selected for venipuncture? | dorsal side |
| How often should a phlebotomist's hands be decontaminated if she is changing gloves regularly? | before and after every patient encounter |
| How long should pressure be applied to a venipuncture site after the needle is withdrawn? | until the bleeding has stopped |
| How many times should a blood collection device be used? | 1 |
| If using an evacuated tube method for blood collection of tubes listed below, which tube(s) should always be collected first? | blood culture tubes |
| "Hematology" tubes have which type of closure? | purple/lavender |
| "Glycolytic inhibition" tubes (potassium oxalate/sodium fluoride, lithium iodoacetate/heparin) have which type of closure? | grey |
| If a phlebotomist is accidentally stuck with a contaminated needle, what should he do? | Report the injury to a supervisor as soon as possible. |
| In phlebotomy practice, what are alcohol-based rubs used for? | decontaminating hands |
| In phlebotomy practice, how long should fingernails be kept? | no longer than 1/4 inch. |
| Patient identification should never include: | the patient's room number as an identifier |
| What is the most appropriate time for collecting a blood glucose level? | 15 minutes before a meal |
| In phlebotomy, the term "STAT" refers to: | immediate blood collection and delivery of the sample to the laboratory. |
| Refer to the figure below to answer the following question. Which of the locations is most appropriate for a skin puncture? | the middle finger |
| Which puncture device is the best for use during a skin puncture procedure? | retractable puncture device |
| Which of the following factors is NOT important in the identification of a patient in phlebotomy practice? | nationality |
| Describe what a phlebotomist should do when using a winged infusion (butterfly) system to collect blood for a single coagulation test? | The phlebotomist should use a nonalcoholic disinfectant. |
| "Chain of custody" refers to: | control of the specimen from collection to disposal. |
| Phlebotomists should be knowledgeable and responsible for which of the following: | cultural communication strategies |
| Active listening refers to: | eye contact and intent listening. |
| An example of negative body language is: | clenching fists or crossing arms. |
| Ideally for blood specimens, when should serum be removed from the cells? | as soon as possible and not longer than 2 hours |
| In general, how many times should specimen tubes with additives be inverted? | 5-10 |
| Specimens may remain at room temperature for specified periods. What temperature is considered room temperature? | 25 degrees C |
| One example of a specimen that requires immediate chilling is: | gastrin |
| If a patient has petechiae, what should this indicate to the phlebotomist? | the patient may bleed excessively |
| Petechiae | may be a sign of thrombocytopenia (low platelet counts). |
| Thrombocytopenia | low platelet counts |
Created by:
wildmindgirl
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