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jeremy harmon > Serology > Flashcards

Serology Flashcards

1
Q

Agglutination

A

The clumping of molecules or cells

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2
Q

Antibodies

A

Proteins secreted by white blood cells that attach to antigens

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3
Q

Antigen-Antibody response

A

A reaction in which antibodies attach to specific antigens

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4
Q

Antigen

A

Any foreign substance or cell in the body that reacts with antibodies

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5
Q

Cell surface protein

A

Proteins embedded in the cell membrane

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6
Q

Lines of convergence

A

A two dimensional view of the intersection of lines

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7
Q

Point of origin

A

A THREE dimensional view formed using lines of convergence

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8
Q

Red blood cells

A

Donut shaped cells that carry oxygen throughout the body

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9
Q

Satellite drop of blood

A

Secondary drop formed when some blood breaks free from the main contact drop of blood

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10
Q

White blood cells

A

Cells that police the body by destroying foreign materials

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11
Q

True or false. Correct the statement if it’s false.

Blood typing is class evidence.

A

True

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12
Q

True or false. Correct the statement if it’s false.

DNA blood testing is class evidence.

A

False

Individual

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13
Q

True or false. Correct the statement if it’s false.

The Kastle-Meyer test can tell you if there is blood at the scene.

A

True

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14
Q

True or false. Correct the statement if it’s false.

Blood consists of red blood cells, white blood cells and plasma.

A

True

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15
Q

True or false. Correct the statement if it’s false.

When testing blood type, white blood cells are analyzed.

A

False

Red blood cells

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16
Q

True or false. Correct the statement if it’s false.

Human red blood cells have no nucleus, while the red blood cells of all other animals have a nucleus.

A

False

Most other animals will not have a Nucleus

17
Q

True or false. Correct the statement if it’s false.

There is no difference in the look of blood dropped from 15 cm and from 150 cm.

A

False
15cm is smaller blood drop with no satellites and spines

150cm larger drop, many spines and satellites

18
Q

True or false. Correct the statement if it’s false.

Blood drops look the same on all surfaces

A

False

smaller on smooth surfaces

19
Q

True or false. Correct the statement if it’s false.

If a person is bleeding while running, the spines and satellites on the drops will point in the direction in which he is running.

A

True

20
Q

True or false. Correct the statement if it’s false.

A person with Type O blood has antigens for A and B.

A

False

Antibodies

21
Q

True or false. Correct the statement if it’s false.

Cast off blood looks similar to high velocity spatter.

A

False
Cast off roundish drops in a line
High velocity looks like a fine mist of blood

22
Q

True or false. Correct the statement if it’s false.

A person who has type B- blood can receive blood from a person who has O- blood.

A

True

23
Q

True or false. Correct the statement if it’s false.

The area of convergence can be determined by drawing lines from each of the blood drops through the long axis of each drop.

A

True but have to be drawn in the opposite direction of the satellites

24
Q

Agglutinates

A

Clumps

25
Q

What are the steps for testing for blood types?

A
  1. Put blood in a tube.
  2. Add antibodies.
  3. Look for agglutination.
26
Q

If the blood clumps or Agglutinates what does that tell you?

A

It is that type of blood

27
Q

Using the K-M test what color will the swab turn if blood is present?

A

Bright pink or purple

28
Q

What blood type is known as the universal donor?

A

O-

29
Q

What does universal donor mean

A

Can donate blood to all other blood groups

30
Q

What blood type is known as the universal acceptor?

A

AB+

31
Q

What does universal acceptor mean?

A

Can accept blood from all different blood types

32
Q

How can you tell the difference between arterial spurts from a cast off

A

Arterial spurts are separated by space.

Cast off will be a continuous line of drops.

33
Q

What causes agglutination?

A

Antigen - antibody interaction

34
Q

What is one difference between human and animal blood

A

Human blood has bigger plasma

animals have smaller plasma

jeremy harmon (108 decks)

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