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Home Q & A Board Biology-Related Homework Help Medicine Immunology
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The principle of commercially available ELISA test kits is based on
The principle of commercially available ELISA test kits is based on
The principle of commercially available ELISA test kits is based on
 
  a. antigens diffusing through an agarose gel
  b. oxidase activity of an enzyme
  c. competitive binding of antigens to antibodies
&
kay20213   59   1 Reply
6 years ago
Hair can be used to detect which of the following illegal substances?
Hair can be used to detect which of the following illegal substances?
Hair can be used to detect which of the following illegal substances?
 
  a. ecstasy
  b. cocaine
  c. cannabinoids
  d. all of the above
bkm1   69   1 Reply
6 years ago
What is the most common biological fluid encountered at a crime scene?
What is the most common biological fluid encountered at a crime scene?
What is the most common biological fluid encountered at a crime scene?
 
  a. blood
  b. urine
  c. semen
  d. saliva
agilleland   63   1 Reply
6 years ago
Forensic scientists rely on the presence of hemoglobin to identify which of the following biological ...
Forensic scientists rely on the presence of hemoglobin to identify which of the following biological ...
Forensic scientists rely on the presence of hemoglobin to identify which of the following biological fluids?
 
  a. blood
  b. urine
  c. semen
  d. saliva
hockeyguy9   65   1 Reply
6 years ago
The presence of urea and creatinine is an indicator that the collected stain is which of the ...
The presence of urea and creatinine is an indicator that the collected stain is which of the ...
The presence of urea and creatinine is an indicator that the collected stain is which of the following biological fluids?
 
  a. blood
  b. semen
  c. saliva
  d. urine
haileyrasmussen   89   1 Reply
6 years ago
Methods used to detect the presence of prostate specific antigen include which of the following? ...
Methods used to detect the presence of prostate specific antigen include which of the following? ...
Methods used to detect the presence of prostate specific antigen include which of the following?
 
  a. electrophoresis
  b. Ouchterlony
  c. immunochromatographic sandwich assay
  d. all of the abov
retard23   60   1 Reply
6 years ago
Which of the following procedures could be used to determine whether blood found at a crime scene is ...
Which of the following procedures could be used to determine whether blood found at a crime scene is ...
Which of the following procedures could be used to determine whether blood found at a crime scene is that of the victim or the family dog?
 
  a. ring precipitin
  b. crossover electrophoresis
  c. both A and
mahafakhoury   62   1 Reply
6 years ago
Saliva can be used to help identify the perpetrators of which of the following crimes?
Saliva can be used to help identify the perpetrators of which of the following crimes?
Saliva can be used to help identify the perpetrators of which of the following crimes?
 
  a. sexual assault
  b. burglary
  c. both A and B
  d. none of the above
life_skals   53   1 Reply
6 years ago
Which of the following is not a method routinely used to detect saliva?
Which of the following is not a method routinely used to detect saliva?
Which of the following is not a method routinely used to detect saliva?
 
  a. ring precipitin
  b. starch iodine test
  c. procedures testing for the digestive activity of alpha amylase
  d. immunoa
hockeyguy9   74   1 Reply
6 years ago
Salivary alpha amylase is found in which biological fluid?
Salivary alpha amylase is found in which biological fluid?
Salivary alpha amylase is found in which biological fluid?
 
  a. semen
  b. saliva
  c. urine
  d. all of the above
Mirbek   112   1 Reply
danielmata99
6 years ago
Which of the following is a radial diffusion test to detect the presence of saliva?
Which of the following is a radial diffusion test to detect the presence of saliva?
Which of the following is a radial diffusion test to detect the presence of saliva?
 
  a. ring precipitin
  b. crossover electrophoresis
  c. starch iodine test
  d. immunochromatography
Flognog   63   1 Reply
6 years ago
Which serological test is used to detect the presence of semen?
Which serological test is used to detect the presence of semen?
Which serological test is used to detect the presence of semen?
 
  a. urease
  b. hemoglobin
  c. prostate specific antigen
  d. starch iodine
life_skals   59   1 Reply
6 years ago
Albumin, acid phosphatase, and prostate specific antigen are components of which biological fluid? ...
Albumin, acid phosphatase, and prostate specific antigen are components of which biological fluid? ...
Albumin, acid phosphatase, and prostate specific antigen are components of which biological fluid?
 
  a. blood
  b. semen
  c. saliva
  d. urine
stellarelli   67   1 Reply
6 years ago
To which electric charge are samples and antiserum added to wells in an agarose gel o obtain a ...
To which electric charge are samples and antiserum added to wells in an agarose gel o obtain a ...
To which electric charge are samples and antiserum added to wells in an agarose gel o obtain a precipitin line?
 
  a. ring precipitin
  b. ELISA
  c. radioimmunoassay
  d. crossover electrophoresis
jerhughes   49   1 Reply
6 years ago
Which of the following alternative antigens are currently being evaluated to be used in new ...
Which of the following alternative antigens are currently being evaluated to be used in new ...
Which of the following alternative antigens are currently being evaluated to be used in new procedures to characterize biological fluids ?
 
  a. semenogelin and uroplakin III
  b. prostate specific antigen and hemoglob
jake08benn   59   1 Reply
6 years ago
What bloodborne virus can survive on surfaces for more than 1 week?
What bloodborne virus can survive on surfaces for more than 1 week?
What bloodborne virus can survive on surfaces for more than 1 week?
 
  a. hepatitis C
  b. hepatitis B
  c. HIV
  d. all of the above
Flognog   74   2 Replies
6 years ago
Which of the following is true for the expanded regime of postexposure prophylaxis?
Which of the following is true for the expanded regime of postexposure prophylaxis?
Which of the following is true for the expanded regime of postexposure prophylaxis?
 
  a. uses longer treatment times
  b. uses a higher concentration of the drugs
  c. adds additional drugs, including protea
monkeybee765   48   1 Reply
6 years ago
Follow-up for hepatitis C includes either
Follow-up for hepatitis C includes either
Follow-up for hepatitis C includes either
 
  a. anti-HCV antibody at 6 months or HCV RNA at 4 to 6 weeks
  b. anti-HCV antibody or HCV RNA at 4 to 6 weeks
  c. anti-HCV antibody or HCV RNA at 6 months
&n
hockeyguy9   72   1 Reply
6 years ago
What things are considered in determining the exposure code for HIV?
What things are considered in determining the exposure code for HIV?
What things are considered in determining the exposure code for HIV?
 
  a. whether a mucous membrane was exposed or it was a needlestick with a large bore needle
  b. whether the patient was symptomatic
  c.
malagonvarney   65   1 Reply
6 years ago
What testing will be done for the health care worker after a needlestick?
What testing will be done for the health care worker after a needlestick?
What testing will be done for the health care worker after a needlestick?
 
  a. antibody to hepatitis B surface antigen
  b. HIV
  c. hepatitis C
  d. all of the above
ididntstudy   58   1 Reply
6 years ago
The risk of seroconverting to hepatitis B after a needlestick decreases by
The risk of seroconverting to hepatitis B after a needlestick decreases by
The risk of seroconverting to hepatitis B after a needlestick decreases by
 
  a. 80 if you are properly immunized
  b. 75 if you are properly immunized
  c. 90-95 if you are properly immunized
  d.
analiseortiz56   74   1 Reply
6 years ago
Increasing order of exposure regarding HIV risk is
Increasing order of exposure regarding HIV risk is
Increasing order of exposure regarding HIV risk is
 
  a. blood on intact skin, blood on mucus membrane, tears in a cut
  b. external body fluid on skin, internal body fluid on mucus membrane, internal body fluid by nee
Lesley0479   93   1 Reply
6 years ago
The best way to prevent blood exposure is to
The best way to prevent blood exposure is to
The best way to prevent blood exposure is to
 
  a. wear gloves
  b. be familiar with the safety equipment and use it
  c. wear a buttoned lab coat that goes past your knees
  d. use eye and face pro
GOOD2Know17   91   1 Reply
6 years ago
If a blood exposure was on a mucous membrane, the protocol is to
If a blood exposure was on a mucous membrane, the protocol is to
If a blood exposure was on a mucous membrane, the protocol is to
 
  a. rinse with vodka and then water and then tell the supervisor
  b. do none of these
  c. rinse Listerine and then water and then tell the
analiseortiz56   50   2 Replies
6 years ago
After a needlestick in the employees clinic, a lab technician
After a needlestick in the employees clinic, a lab technician
After a needlestick in the employees clinic, a lab technician
 
  a. will immediately take you to the laboratory so you can reenact how it happened
  b. will ask you for the lot number of the needle or other medical ins
sarthaknitw   74   1 Reply
6 years ago
Source patients should be tested for the following
Source patients should be tested for the following
Source patients should be tested for the following
 
  a. if they give their consent, HIV, hepatitis B, hepatitis C, AST/ALT, and alkaline phosphatase levels
  b. if consent is not needed, HIV, hepatitis B, hepatitis C,
bkm1   65   1 Reply
6 years ago
Risk assessment for HIV seroconversion in determining postexposure prophylaxis has
Risk assessment for HIV seroconversion in determining postexposure prophylaxis has
Risk assessment for HIV seroconversion in determining postexposure prophylaxis has
 
  a. 3 components: (1) your general health, (2) the type of exposure-needle stick or mucous membrane-and (3) the source patient's HIV health sta
retard23   71   1 Reply
6 years ago
Liquid nitrogen (Multiple Choice)
Liquid nitrogen (Multiple Choice)
Liquid nitrogen
 
  a. is inert and safe
  b. is dangerous because it can replace the oxygen in the room
  c. is explosive
  d. B and C
jeanettedavis84   53   1 Reply
6 years ago
The rate of seroconversion to HIV after a needle stick is _____, and the rate after a mucous ...
The rate of seroconversion to HIV after a needle stick is _____, and the rate after a mucous ...
The rate of seroconversion to HIV after a needle stick is _____, and the rate after a mucous membrane exposure is _________.
 
  a. 10, lower
  b. 10, higher
  c. 0.3, lower
  d. 0.5, lower
jeanettedavis84   96   1 Reply
6 years ago
If you are female, and receive a needlestick you should be tested for the following in the clinic ...
If you are female, and receive a needlestick you should be tested for the following in the clinic ...
If you are female, and receive a needlestick you should be tested for the following in the clinic
 
  a. antibody to hepatitis B surface antigen, HIV, hepatitis C, and tetanus
  b. hepatitis B surface antigen, HIV, hepa
malagonvarney   71   1 Reply
6 years ago
What is the most common way for needlestick accidents to occur?
What is the most common way for needlestick accidents to occur?
What is the most common way for needlestick accidents to occur?
 
  a. drawing blood from a child
  b. drawing blood from a prisoner
  c. recapping a needle
  d. disposing of trash from a hospital la
hockeyguy9   70   1 Reply
6 years ago
Which of the following would not be procedure under universal precaution guidelines?
Which of the following would not be procedure under universal precaution guidelines?
Which of the following would not be procedure under universal precaution guidelines?
 
  a. cleaning up spills with 10 bleach
  b. wearing a lab coat in all areas in the hospital
  c. washing hands after but n
howardgiles112   68   2 Replies
6 years ago
Which of the following would have HEPA filtered air blowing into the hood?
Which of the following would have HEPA filtered air blowing into the hood?
Which of the following would have HEPA filtered air blowing into the hood?
 
  a. a chemical containment hood
  b. a biological containment hood
  c. both A and B
  d. none of the above
joker   92   1 Reply
6 years ago
The National Fire Protection Association Diamond has
The National Fire Protection Association Diamond has
The National Fire Protection Association Diamond has
 
  a. 4 parts: flammability, reactivity, special risks, and health risks
  b. 5 parts: flammability, reactivity, special and health risks, and infectivity
 
darrellsia   99   1 Reply
6 years ago
An injured person must have an unrestricted path to an eye wash station of less than what distance? ...
An injured person must have an unrestricted path to an eye wash station of less than what distance? ...
An injured person must have an unrestricted path to an eye wash station of less than what distance?
 
  a. 10 feet
  b. 20 feet
  c. 50 feet
  d. 100 feet
bwebb03   74   1 Reply
6 years ago
Gloves should be worn when anyone in the lab
Gloves should be worn when anyone in the lab
Gloves should be worn when anyone in the lab
 
  a. handles body fluids, blood and excreta
  b. handles potentially contaminated items
  c. opens drawers and doors in the laboratory
  d. all of the a
howardgiles112   77   1 Reply
6 years ago
OSHA requires that employers offer which of these vaccines to hospital employees who may be at risk ...
OSHA requires that employers offer which of these vaccines to hospital employees who may be at risk ...
OSHA requires that employers offer which of these vaccines to hospital employees who may be at risk for
 
  a. hepatitis A
  b. hepatitis B
  c. hepatitis C
  d. HIV
meaganec   73   1 Reply
6 years ago
What is an MSDS? (Multiple Choice)
What is an MSDS? (Multiple Choice)
What is an MSDS?
 
  a. a document that contains the reactivity and toxicity information about a material
  b. a document that contains the proper first aid in case of exposure to a chemical
  c. a document th
retard23   68   1 Reply
6 years ago
If a tube of blood breaks in the centrifuge, the policy is to
If a tube of blood breaks in the centrifuge, the policy is to
If a tube of blood breaks in the centrifuge, the policy is to
 
  a. open the centrifuge immediately and clean it
  b. wait 10 minutes and then open the centrifuge to clean it
  c. wait 20 minutes and then ope
mbhound   104   1 Reply
6 years ago
What should the source patient be tested for after a needlestick if he or she agrees?
What should the source patient be tested for after a needlestick if he or she agrees?
What should the source patient be tested for after a needlestick if he or she agrees?
 
  a. hepatitis A, B, C; HIV; AST/ALT; and alkaline phosphatase
  b. hepatitis B and C, HIV, AST/ALT, and alkaline phosphatase
ttteel   74   2 Replies
6 years ago
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