Save
Upgrade to remove ads
Busy. Please wait.
Log in with Clever
or
show password
Forgot Password?
Don't have an account?  Sign up 
Sign up using Clever
or
Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account. Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
edit
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

serology test

serology study guide

QuestionAnswer
plasma clear, liquid part of blood (55% of blood), transports hormones and nutrients
RBCs (erythrocytes) made in bone marrow, contain hemoglobin, transports oxygen
WBCs defend the body from foreign invaders, contain nucleus (source of DNA), engulfs bacteria, produce antibodies
platelets fragments of cells, clot blood
antigen protein markers
serology study of bodily fluids
leukemia too many WBCs
hemophilia lacks clotting factors
anemia too few RBCs, not enough hemoglobin
what affects blood's evidential value heat, moisture, bacteria
how should blood evidence be packaged paper bag or well ventilated box to avoid accumulation of moisture
takayama/teichman test addition of chemicals that will form crystals with hemoglobin
phenolphthalein test not specific test for blood, but will turn pink in presence of hemoglobin
luminol sprayed onto suspect and produces light in the presence of blood
what happens to the diameter of a blood drop as the height it falls from increases the diameter increases
what affects blood spatter patterns type of surface, angle it dropped, amount of blood, velocity it dropped
as the angle of impact increases, what will happen to the blood drop it will appear elongated
what information can a blood drop give an investigator direction, speed, and angle of impact of blood
what information can a blood drop give an investigator use exact surfaces that the stain was found on
the pointed end of the blood drop (tail), always points: back towards the origin
what happens when blood mixes with different antiserums precipitation forms (clumping), agglutination
what is a presumptive test quick test to see if sample is blood or not (see if blood is present)
what question do forensic scientists ask when dealing with blood is it blood?, what species did it originate from?, if human, what particular individual did it come from?
Created by: Ddelaney123
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards