MLT 101 Unit 3 Questions with All Correct Answers
What is the maximum time limit for separating serum and plasma from cells for testing - Answer-2 hours
According to the CLSI, how long can PT specimens be held centrifuged or uncentrifuged with plasma - Answer-24 hours
How long can PTT speci...
MLT 101 Unit 3 Questions with All
Correct Answers
What is the maximum time limit for separating serum and plasma from cells for testing -
Answer-2 hours
According to the CLSI, how long can PT specimens be held centrifuged or
uncentrifuged with plasma - Answer-24 hours
How long can PTT specimens from patients who are not on heparin be held - Answer-4
hours
How long does glycolysis inhibition from sodium fluoride take - Answer-4 hours in which
10mg/dL can already drop
What are specimens that require 37°C - Answer-Cold agglutinin
Cryofibrinogen
Cryoglobulin
How does hemolysis occur - Answer-When RBCs are damaged and the hemoglobin
escapes into the fluid portion of the specimen
When there is an abnormally high level of lipids in the blood that gives the plasma a
milky appearence - Answer-Lipemia
Frequent reason for rejection of hematology specimens - Answer-Clotting
Ability of particles in a suspension to settle to the bottom of a container over time due to
gravity - Answer-Sedimentation
The part of the centrifuge that holds the tubes and spins - Answer-Rotor
How long should blood specimens be centrifuged for good sedimentation - Answer-
1000g for 10 min
How long does complete clotting normally take at room temp - Answer-30-60 min
How long dos a tube containing thrombin take to clot - Answer-5 min
Anything harmful or potentially harmful to health - Answer-Biohazard
Safe handling of biologic substances that pose a risk to health - Answer-Biosafety
, Infectious microorganism in blood or other bodily fluids - Answer-Blood borne pathogen
Division of US Public Health Service charged with the investigation and control of
disease with epidemic potential - Answer-CDC
CLSI - Answer-Clinical and Laboratory Standards Institute
DOT - Answer-Department of Transportation
NIOSH. Responsible for conducting research and making recommendations for
prevention of work related injuries and illnesses - Answer-National Institute for
Occupational Safety and Health.
OSHA. Mandates and enforces safe working conditions for employees - Answer-
Occupational Safety and Health Administration
Patient infections acquired in hospitals - Answer-Nosocomial Infections
Applies to infections acquired during healthcare delivery in all healthcare settings
including home care - Answer-Healthcare Associated Infections
Most common type of HAI - Answer-Urinary tract infection
About how many patients have an HAI and die from it - Answer-1 in 25 and 1 in 9
respectively
Steps in the Chain of Infection - Answer-Infectious agent
Reservoir
Exit pathway
Means of transmission
Entry pathway
Susceptible host
Another name for infectious agent - Answer-Causative agent
Place where a microbe can survive, grow, or multiply - Answer-Reservoir
Someone with a decreased ability to resist infection - Answer-Susceptible host
Type of transmission that involves dispersal of infectious agents less than 5 um -
Answer-Airborne transmission
Type of transmission that involves touching something. Most common means of
transmission - Answer-Contact transmission
Types of contact transmission - Answer-Direct; physically touching someone infected
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