Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
CMLA Study guide
| Question | Answer |
|---|---|
| A 24hr creatinine and clearance test is used to determine what function? | Kidney |
| The ability to achieve both accuracy and precision is: | reliability |
| According to OSHA regulations who must provide PPE? | hospital, employer |
| ALL manufactures of laboratory reagents must supply a document stating the hazardous properties of the material and other data regarding the use and disposal of the reagent. What is this document called? | material safety data sheet / MSDS |
| What does not cause a false negative on a rapid strep test : | proper storage and collection |
| What is NOT a common cause of random errors while testing? | imprecise timing |
| All test procedures in the clinical lab must be monitored for accuracy and precision using: | at least two levels of controls |
| Although many antiseptics and disinfectants may kill HIV the most practical one used on contaminated equipment is: | 10% bleach solution |
| Medical term for low blood sugar: | hypoglycemia |
| Another type of testing that can ensure accuracy in addition to QC is: | proficiency testing |
| Anthrax is: | a bacteria |
| An autoclave sterilizes by: | using steam and pressure |
| Blood cultures are ordered for: | FUO/ fever of unknown origin |
| A cellophane tape preparation specimen goes to which department | microbiology |
| A centrifuge is used to: | separate liquid from solids |
| The change in the shape of erythrocytes as observed on a peripheral smear is described as: | poikilocytosis |
| CLIA does not mandate: | waived testing |
| Clumping together of cells or particles is known as; | agglutination |
| A compound microscope is used to study all organisms except: | viruses |
| A decrease in white blood cells is known as: | leukopenia |
| When the body is at a state of physiological equilibrium it is called: | homeostasis |
| An electronic cell counter is used for counting: | red and white blood cells |
| A false positive nitrate on a urine sample indicates: | improper storage |
| A lab that has a provider performed microscopy certificate, what healthcare person would not be allowed to perform microscopic procedures? | medical assistant |
| The kidney function is to remove _________ and reabsorb _______ | waste product, water |
| Gamma-glutamyl transpeptidose (GGT) is elevated in: | alcoholic cirrhosis |
| Glucose is stored in the liver as: | glycogen |
| A gradual change in the mean that proceeds in one direction over six or more consecutive days is known as a: | trend |
| Gram negative organisms stain: | red, pink |
| A GTT includes what specimen | blood, urine |
| Hemoccult testing detects: | blood in stool |
| Hemoglobin electrophoresis is used to diagnose: | anemia |
| Hemoglobin is found in: | red blood cells |
| The HIPPA privacy rule does not protect patient information that is: | accidentally overheard |
| How is the most sterile urine sample collected? | strait catheterization by a nurse |
| How long must a lab keep requisitions | two years |
| How long can a tourniquet be on an arm | no longer than one minute |
| How is the most sterile urine collected | strait catheterization by a nurse |
| How many stool sample are needed for an ova and parasite (O&P) | three fresh samples |
| How long after the Westergern ESR is set up before the result is recorded | one hour |
| How is a patient prepared to do a 2 hour post prandial glucose test | patient eats two hours prior to testing |
| the human chorionic gonadotropin test kit is used for quick efficient testing for: | pregnancy |
| What specimen is collected when checking for a UTI | mid-stream clean catch urine |
| If a patient has a seizure during a draw you call for help then: | lay them down and make sure they do not get hurt |
| If a urine will not be tested within _______ it must be refrigerated | one hour |
| If 2 patients have the same name how would their records be put in order | by date of birth |
| if serum or plasma is pink it indicates: | hemolysis |
| What is done if a tube is received unlabeled | discard ask for redraw |
| in a normal distribution curve more values are | close to the mean |
| An increased sedimentation rate is seen in what 3 common conditions | pregnancy, cancer, connective tissue disorder |
| The incubator temp should be -------- daily | checked |
| infectious hepatitis is caused by | a virus |
| infectious mononucleosis is caused by | EBV Epstein barr virus |
| Insufficient centrifugation while performing a microhematocrit will result in: | a false higher value |
| In the chemistry department the tests are performed on: | auto analyzers |
| the substance being measured is known as an: | analyte |
| An invisible spray of liquid particles | aerosol |
| Laboratory refrigerators should be kept at the following temperature | one to six degree celsius |
| The average lifespan of a RBC is: | a hundred and twenty days |
| What is the liquid portion that remains after centrifuging of a light blue top tube | plasma |
| Liver disease will cause increase in | bilirubin |
| liver enzymes can easily be assessed through: | blood testing |
| Material Safety Data Sheets (MSDS) are stored: | accessible to everyone |
| A measure of the departure from accuracy is known as: | bias |
| The medical term Leuk- means | white |
| The medical term osteo- means: | bone |
| Microscope slides are placed on the _______ of the microscope | stage |
| The common cause of leukocytosis is: | bacterial infection |
| The most common fungus found in a dr office is: | ringworm |
| The most commonly performed test for anticoagulant therapy is: | prothrombin time |
| The most common metabolic disorder discovered by a urine dipstick is: | diabetes |
| The most common test performed in the hematology department is: | CBC, complete blood count |
| Most hematology tests are performed on: | whole blood |
| Normal human body temp is: | 37 c or 98.6 degrees f |
| Normal urine output in an adult is: | 600-2000 ml |
| What type of infection is most likely to be contracted in a hospital setting | nosocomial infection |
| A packed RBC volume ratio is: | hematocrit |
| The pathogen most commonly isolated from a wound infection is: | staphylococcus aureus |
| Patients with uncontrolled diabetes will have abnormal results in the following urine parameter(s) | glucose and ketones |
| A patient with an allergic reaction will have an increased number of these types of cells: | eosinophils |
| A persistent infection with symptoms that come and go: | latent |
| A positive leukocyte esterase results in a urine sample indicates: | white blood cells |
| A positive nitrate result in a urine sample indicates: | bacteria |
| PPE includes: | face shield, goggles, gloves, coat |
| The prefix hyper- means | excessive |
| Prefix meaning 1/10th | deci |
| Privileged communication is the legal term that refers to confidential information: | obtained in a patient/physician relationship |
| The process by which a cell engulfs a foreign material such as a bacteria or virus is known as: | phagocytosis |
| The protein found in RBC's that carries oxygen is: | hemoglobin |
| Protein in the urine indicates | kidney disease |
| Quality Control is plotted on a: | Level Jennings chart |
| The rapid plasma reagin (RPR) test is most commonly used to detect: | an STD |
| A rapid strep kit tests for | Group A streptococci |
| The ratio of the volume of RBC to the total volume of blood is known as: | hematocrit |
| Removal of tissue from the body for pathological examination is called: | biopsy |
| Results when using the N-Multistix 10SG take: | less than 2 minutes |
| Semen samples must be reviewed microscopically asap because: | decreased motility |
| Serum is separated from the cells as soon as possible to prevent: | hemolysis |
| smallpox is caused by: | variola major |
| Specimens used to test the accuracy of urinalysis procedures, reagents, and equipment are: | urine controls |
| A specimen that is divided into two parts an analyzed in two different laboratories to check for accuracy is: | split specimen |
| A spinal tap is also known as a: | lumbar puncture |
| Sputum is collected from the: | lungs |
| The study of fungi: | mycology |
| A sudden shift in the mean that becomes continuous is know as: | a shift |
| TB is caused by a: | bacteria |
| The term card or card means: | heart |
| The term for increased white blood cell count is: | leukocytosis |
| A _________ test determines how much of a substance is present. | quantitative |
| A test kit that should be stored at 15-25 degrees C is stored where? | storeroom shelf |
| A test used to detect the presence of inflammation | CRP, C reactive protein |
| There is a pathological condition in which system if a patient has the following urinalysis results? Leuk: positive pH: 6.5 Pro: trace WBC: 15-20 Bacterial: Positive Nitrite: Positive | genitourinary |
| Throat swab samples can be used | only once |
| A timed specimen is required for theraputic drug monitoring of | peak theophylline level |
| To protect confidentiality, what question should a healthcare worker ask themselves before looking at a patient's medical information | Do I need to know this |
| Transferring a patient specimen to a culture plate is: | inoculation |
| Trichomonas vaginalis is a: | protozoa |
| Two or more organisms living together is called: | symbiosis |
| An upper GI series requires the patient to: | drink barium |
| Urine pregnancy test detects | HCG- human chorionic gonadotropin |
| A urine sample can be refrigerated for up to ___________ and must be allowed to warm up to room temperature prior to testing. | four hours |
| A urine test that indicates bacteria in the intestinal tract | urobilinogen |
| The value of QC material provided by the manufacturer is known as: | target value |
| The value of the normal control for potassium is 3.2mEq/L. If 1 standard deviation (SD) is +/- 0.2, which of the following value is out of range | 4.1mEq/L |
| The variation from the mean of a sample is the: | coefficient of variation |
| Variation in red cell size observed on a peripheral smear is described as: | anisocytosis |
| What acts as a decolorizer in the gram stain procedure | alcohol-acetone |
| What additive is in a green top tube | heparin |
| What carries oxygen away from the heart | arteries |
| What causes an ammonia smell in urine | excessive bacteria |
| What cells are involved in hemostasis | platelets |
| What cells produce antibodies | B- lymphocytes |
| What color tube is a PT collected in | light blue |
| What color tube is used for a CBC | lavender |
| Which department studies blood cells in the bone marrow | hematology |
| What does an elevated ESR/ erythrocyte sedimentation rate indicate | inflammation |
| What does the term syncope mean | fainting |
| What does universal precaution mean to a healthcare worker | treat everything as contaminated |
| What indicates a UTI in a clean catch mid stream urine | 100,000 colonies/ml |
| What indicates bacteria in the urinary tract | nitrites |
| What critical information has to be clearly noted in a prominent area of a patients file, such as on front cover or immediately inside the cover | known drug allergies |
| What is a carcinogen | cancer causing agent |
| What is a contact transmission hazard | needles, contaminated hands |
| What is added to a urine specimen to prevent breakdown before testing | preservative |
| What is an example of a physical hazard | broken glass |
| What is a patients most common mistake while collecting a 24 hour urine sample | not collecting all the urine |
| What is a urinary tract prefix | ren |
| What is it called to be free from infectious organisims | aseptic |
| What is not a physical property of urine | glucose level |
| What is produced by the breakdown of hemoglobin | bilirubin |
| Which tube is the choice for hematology tests | lavender (EDTA) |
| What is the coefficient of variation used to determine | precision |
| What are the steps for performing a microscopic urine | centrifuge, 1 drop on slide, observe under low power, report |
| What is the highest percentage of WBC in a peripheral smear | neutrophils |
| What is the main function of white blood cells | protect against infection |
| What is the major Hgb found in the RBC's of patients with sickle cell anemia | Hgb S |
| What is the major type of WBC seen in the peripheral smear of a patient with aplastic anemia | lymphocyte |
| What is the minimum number of values that must be obtained before calculating standard deviation | 20 |
| What is the most important factor in controlling the spread of disease | hand washing |
| What is the name of the chest muscle | pectoralis major |
| What is the normal pH of urine | 4.5 to 8.0 |
| What is the normal range for urine specific gravity | 1.010 to 1.025 |
| What is the normal WBC differential lymphocyte percentage in the adult population | 20% to 44% |
| What is the number one STD in the USA | Chlamydia |
| What is the oxygen carrying component of red blood cells? | hemoglobin |
| What is the path of urine through the urinary system? | kidney, ureters, bladder, urethra |
| What is the preferred specimen for a differential | EDTA |
| What is the RBC's primary function? | carry oxygen |
| What is the proper way to carry a microscope? | one hand under base one hand holding the arm |
| This is used to enhance the visibility of formed elements | stain |
| What does ICD-10 CM coding used for | describe a diagnosis |
| What is the total magnification of the microscope using a 10x eye objective and a 40x power objective | 400 times |
| What vein is the most commonly used for venipuncture | median cubital |
| What is used to calibrate instruments | standards |
| What laboratory finding is seen in a patient with appendicitis | elevated WBC count |
| What microscope objective is used when initially focusing | coarse adjustment, low power |
| What mineral is essential for hemoglobin production? | Iron |
| What objective is used to read a gram stain | 100x oil immersion |
| What organism is the smallest | virus |
| What organ is responsible for the production of urine | kidney |
| What parts of the microscope affect the amount of light through the specimen | diaphragm, condenser |
| What patient filing system provides for the greatest degree of patient confidentiality | numeric by medical record number |
| What percentage of blood are RBC's in an average adult | 40%-45% |
| What reagent is part of the gram stain | crystal violet |
| What results from leaving a tourniquet on too long | hemoconcentration, false elevated potassium |
| What should a healthcare worker do if they come across an open shredding bin full of papers revealing patient names, addresses and diagnosis | close and lock the bin and report it to supervisor |
| What should a phlebotomist do with a patient that is a difficult stick | try twice then ask for help |
| What should happen to a specimen that is not labeled | ask for a new specimen |
| What stain is used on a specimen that is not labeled | Wright's stain |
| What substance is released with cell damage | electrolytes |
| What test is done when electrolytes are ordered | k+, CL-, Na++ |
| What tests for dehydration and cell starvation in urine | keytones |
| Which tube can stabilize glucose for up to 3 days | grey, sodium fluoride |
| What type of bacteria is spherical | cocci |
| What type of cell will be increased in case of mononucleosis (mono) | atypical lymphocytes |
| What type of laboratory must perform proficiency testing | moderate complexity laboratory |
| What virus causes mononucleosis (mono) | epstein barr virus |
| What will happen to the WBC count in a patient with acute appendicitis | it will be elevated |
| What will not protect against HIV | recapping needles |
| When a practitioner orders an unusual test, the best way of ensuring a good specimen is | to review the collection guidelines provided by the reference laboratory |
| When blood is allowed to coagulate, the liquid portion is known as: | serum |
| What is the appropriate way to choose a CPT code for a laboratory test | Choose the specific analyte code, if available |
| When diluting an acid | slowly pour acid into water |
| When is it acceptable to share your computer login identification and password | never |
| Which organ produces insulin? | pancreas |
| When the control values on a distribution curve are close to the mean value, but deviate a small amount on either side of the mean from day to day it is known as: | normal distribution |
| When using an automated cell counter, the most frequent cause of erroneous test results is: | improper mixing during collection |
| When using test kits you should never: | mix lot numbers |
| Where should a finger stick be performed | on the 2nd or 3rd finger |
| Where should a phlebotomist perform a baby heel stick | on either side of the heel on the bottom of the foot |
| Which blood test is drawn from an artery | ABG Arterial blood gas |
| Which department has a special patient identification system | blood bank/transfusion services |
| Which department performs an ESR Wintrobe method | hematology |
| What analyte would be most affected by a hemolyzed specimen | K+ Potassium |
| Which of the following are part of a routine urinalysis | physical, chemical, microscopic |
| Which Leukocytes are phagocytic | neutrophils and monocytes |
| What is not a protein normally found in urine | urobilinogen |
| What analyte in blood is not a red or white blood cell | platelets |
| What laboratory test is performed in the hematology department | reticulocyte count |
| What test is used to detect gout | uric acid |
| Which test is used to aid in the detection of cancer of the prostate | PSA |
| What is the urine specimen of choice for bacteriological examination | clean catch, mid stream |
| Which part of the name Mr. Charles D. Anderson-Jones would be used to alphabetize the patient chart | by Anderson |
| Which phagocytic cell produces lysozymes | neutrophils |
| Which poses the greatest potential risk of damage to a computer's stored information | downloading nonsecure files |
| Which power is used to perform a microscopic UA | 40x low power |
| Which RBC disorder changes the hemoglobin molecule | sickle cell anemia |
| Which term describes the top portion of a centrifuged specimen | supernatant |
| Which test is performed in the hematology/coagulation department | PT |
| Which tube is not centrifuged | lavender |
| Which tube produces a serum specimen | red |
| Which urine parameters measures the number of solutes in the urine | specific gravity |
| Which urine parameter would be abnormal if a patient has chronic high blood pressure | protein |
| Which urine parameter would be abnormal if there were bacteria present in the urine | nitrates |
| Which urine parameter would be abnormal in a patient with uncontrolled diabetes | ketones |
| Which urine parameter would be abnormal when a patient has been fasting | ketones |
| Which urine test measures the glomerular filtration rate - the amount of blood filtered by the kidneys | creatinine and clearance |
| Which WBC produces antibodies | lymphocytes |
| Who can give consent for treatment if the patient is married minor | the patient |
| Which WBC engulf and digest bacteria? | Neutrophils |
| Which WBC carries histamine? | Basophils |
| Which WBC are active against parasitic infections? | Eosinophils |
| Which WBC is active against viruses? | Lymphocytes |
| Which blood cells transform to macrophages when they cross from blood to tissue? | Monocytes |
| Bacteria that stains deep purple such as staph or strep are known as: | gram positive |
| Bacteria that stain pink or red like e coli or gonorrhoeae are known as: | gram negative |
| Abnormally low blood Ph or more acidic than normal is: | acidosis |
| The arrest of bleeding is called | hemostasis |
| The most common type of WBC and first line of defense that is multi lobed nucleus and cytoplasm filled with fine pink granules when stained that kills bacteria and fungi is: | neutrophil |
| The most common type of WBC in infants and children creating antibodies to bacteria and viruses is: | Lymphocytes |
| The least common type of WBC containing large cytoplasmic granules that stain blue-black with alkaline dyes and secrets histamine is: | Basophil |
| Granular white blood cell with a bilobed nucleus and cytoplasmic granules that stain red-orange with eosin. Increase in number during allergic reaction or parasitic infection is: | Eosinophils |
| A counting device or counting chamber to count cells such as red or white blood cells is called a : | hemacytometer |
| Largest WBC that stains grey-blue with fine granules. They remove dead or damaged cells and fight cancer cells are | Monocytes |
| Neutrophils, eosinophils, and basophils are all: | granulocytes |
| The kidney hormone that triggers red blood cell formation, produced when hemoglobin concentration or oxygen saturation declines is called: | Erythropoietin |
| The formation of red blood cells is know as: | Erythropoiesis |
| A noticeable pattern of error is known as | Systemic errors |
| The ability to repeatedly get the same result is know as: | precision |
| A chart on which control values are plotted daily, divided into areas of acceptable low and high values, enabling lab workers to easily see/address the normalcy of test results is called: | Level Jennings chart |
| The skewing of test results away from the true value is known as | Bias |
| How close a test result comes to the true value being measured is known as: | accuracy |
| What reagent is part of a gram stain | crystal violet |
| What is released with cell damage | electrolytes |
| What tests for dehydration and starvation in urine | keynotes |
| What happens to the WBC count in a patient with appendicitis | it is elevated |
| What type of cell will be increased in case of mononucleosis (mono) | epstein barr virus |
| What type of bacteria is spherical: | Cocci |
| When blood is allowed to coagulate the liquid portion is known as: | Serum |
| Which organ produces insulin | Pancreas |
| When using an automated cell counter the most common cause of erroneous test results are from: | improper mixing during collection |
| When using test kits you never: | Mix lot numbers |
| What department has a specialized patient identification system? | blood bank |
| What analyte is most affected by a hemolized specimen | k+ potassium |
| What are the parts of a UA | chemical, physical, microscopic |
| Which leukocytes are phagocytic? | Neutrophils and monocytes |
| What protein is not normally found in urine? | Urobilinogen |
| What department are reticulocyte counts run in? | Hematology |
| What analyte in blood is not a red or white blood cell | Platelets |
| What test is used for gout | uric acid |
| Which phagocytic cell produces lysozymes | Neutrophils |
| Which poses the greatest potential risk of damage to a computer's stored info? | downloading nonsecure files |
| What power is used to view a microscopic UA? | 40x low power |
| What RBC disorder changes the hemoglobin molecule? | sickle cell anemia |
| What is the top portion of a centrifuged specimen called? (urine/bodily fluids) | supernatant |
| Which test is performed in the hematology/coagulation department | Pt, PTT |
| Which tube is not centrifuged? | lavender/whole blood |
| Which tube produces a serum specimen? | Red, gold, tiger top |
| Which urine parameter measures the number of solutes in the urine? | Specific gravity |
| Which urine parameter would be normal if a patient has chronic high blood pressure? | Protein |
| Which urine parameter would be abnormal if there were bacteria present in the urine? | Nitrates |
| What urine parameter will be abnormal when a patient has been fasting | Ketones |
| Which urine test measures the glomerular filtration rate- the amount of blood filtered by the kidneys? | Creatinine and clearance |
| Which WBC produces antibodies | Lymphocytes |
| Who can give consent for treatment if the patient is a married minor? | The patient |
| Which WBC engulfs and digests bacteria | Neutrophils |
| Which WBC carries histamine | Basophils |
| Which WBC are active against parasitic infections | Eosinophils |
| Which blood cells transform to macrophages when they cross from blood to tissue? | Monocytes |
| Which WBC is active against viruses | lymphocytes |
Created by:
CWillems
Popular Laboratory Science sets