A Levey-Jennings chart shows a single control value falling more than 3 standard deviations from the mean. Which Westgard rule is violated?
Mls General Lab Mgmt
Question · Easy
What the hep B vaccine costs you at work
Short
What does the coefficient of variation measure in laboratory QC?
General Laboratory
Flashcard
Which Westgard rule indicates systematic shift when 10 consecutive control values fall on one side of the mean?
Question · Medium
Federal program that regulates human testing for health assessment or to diagnose, prevent, or treat disease.
General laboratory
Guess the Term
Chapter 1: General Laboratory Operations, Safety & Quality
1.1 Laboratory Safety, OSHA Standards, Hazard Communication, and Biohazard Control
Study guide
Cheat sheet
A waived complexity test under CLIA requires which of the following?
Read the clue and guess the term in 6 tries.
Game
How do random and systematic analytical error differ?
A reference range for hemoglobin in an adult male is best represented by:
Mls Hematology
Federal agency whose bloodborne pathogens standard requires a written exposure control plan reviewed at least annually.
A patient has MCV of 70 fL with low ferritin and elevated TIBC. The most likely diagnosis is:
Order of draw
How does calibration differ from quality control?
A bone marrow shows >20% promyelocytes with Auer rods and faggot cells. The patient develops DIC. The most likely diagnosis is:
Question · Hard
Document required for each hazardous chemical with 16 numbered sections, from identification through other information including the preparation date.
1.2 Quality Systems, Quality Control, and Westgard Rules Interpretation
The Philadelphia chromosome t(9;22) producing the BCR-ABL fusion is most associated with:
Swap tiles to line up three of the same term.
Term Match
What is the core patient-identification rule before specimen collection?
Which of the following extends the prothrombin time (PT) but not the partial thromboplastin time (PTT)?
Mls Coagulation
Sum of a data set divided by the number of data points.
A mixing study shows correction of prolonged PTT after 1:1 mixing with normal plasma. This indicates:
Two exes, two antidotes
How do serum and plasma differ?
Anti-A and anti-B antibodies in human serum are typically of which immunoglobulin class?
Mls Immunohematology
Blood level usually checked first when testing the butterfly-shaped gland in the front of the neck; a high result most often means that gland is underactive.
Chemistry
1.3 Specimen Collection, Handling, Order of Draw, and Phlebotomy Complications
Anti-D antibody is best detected by which testing phase?
Flip two cards at a time to find matching terms.
Term Pairs
What result pattern suggests EDTA contamination of a chemistry specimen?
A patient transfused with the wrong ABO group develops fever, back pain, and red urine within 15 minutes. The first action should be:
Mls Blood Banking Transfusion
Type of blood fat that, in excess, builds up inside artery walls and damages blood vessels and the heart; nicknamed the bad kind.
A gram-positive coccus in chains is alpha-hemolytic and optochin susceptible. The most likely organism is:
Mls Microbiology
Why can hemolysis falsely increase a measured potassium result?
A beta-hemolytic Streptococcus is bacitracin (A-disk) susceptible. The organism is:
Protein made by normal and malignant cells of a male gland, measured in blood to screen for that gland's cancer or to monitor it after diagnosis.
1.4 Laboratory Instrumentation, Photometry, Spectrophotometry, and Centrifugation
A gram-positive cocci in clusters is catalase positive, coagulase positive, and ferments mannitol. The organism is:
Find five hidden terms in a grid of letters.
Term Search
Why must the phlebotomy order of draw be followed?
A urine culture grows a lactose-fermenting, indole-positive gram-negative rod producing green metallic sheen on EMB agar. The organism is:
Blood test value used to check kidney health; 60 or more is in the normal range.
A non-lactose fermenting, oxidase-positive gram-negative rod produces a blue-green pigment and grape-like odor. The organism is:
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