Terms : Hide Images
| 7824260119 | acid phosphatase | an enzyme found in high concentration in semen | 0 | |
| 7824295888 | agglutination | the clumping together of red blood cells by the action of an antibody | 1 | |
| 7824295889 | allele | any of several alternative forms of a gene located at the same point on a particular pair of chromosomes | 2 | |
| 7824298726 | antibody | a protein in the blood serum that destroys or inactivates a specific antigen | 3 | |
| 7824302274 | antigen | a substance, usually a protein, that stimulates the body to produce antibodies against it | 4 | |
| 7826891777 | antiserum | blood serum that contains specific antibodies | 5 | |
| 7826894511 | aspermia | the absence of sperm; sterility in males | 6 | |
| 7826898037 | chromosome | a threadlike structure in the cell nucleus, along which the genes are located | 7 | |
| 7826907547 | deoxyribonucleic acid (DNA) | the molecules that carry the body's genetic information | 8 | |
| 7826972050 | egg | the female reproductive cell | 9 | |
| 7826972051 | enzyme | a protein that acts as a catalyst for certain specific reactions | 10 | |
| 7826976943 | erythrocyte | a red blood cell | 11 | |
| 7826976944 | gene | the basic unit of heredity, consisting of a DNA segment located on a chromosome | 12 | |
| 7826981362 | genotype | the particular combination of genes present in the cells of an individual | 13 | |
| 7826981363 | hemoglobin | a red blood cell protein that transports oxygen in the bloodstream; it is responsible for the red color of blood | 14 | |
| 7826985639 | heterozygous | having two different allelic genes on two corresponding position of a pair of chromosomes | 15 | |
| 7826988319 | homozygous | having two identical allelic genes on two corresponding positions of a pair of chromosomes | 16 | |
| 7826993393 | hybridoma cells | fused spleen and tumor cells; used to produce identical monoclonal antibodies in a limitless supply | 17 | |
| 7826993394 | locus | the physical location of a gene on a chromosome | 18 | |
| 7826998813 | luminol | the most sensitive chemical test that is capable of presumptively detecting bloodstains diluted to as little as 1 in 100,000; its reaction with blood emits light and thus requires the result to be observed in a darkened area | 19 | |
| 7827001483 | monoclonal antibodies | a collection of identical antibodies that interact with a single antigen site | 20 | |
| 7827005432 | oligospermia | an abnormally low sperm count | 21 | |
| 7827005433 | phenotype | the physical manifestation of a genetic trait such as shape, color, or blood type | 22 | |
| 7827008531 | plasma | the fluid portion of unclotted blood | 23 | |
| 7827011897 | polyclonal antibodies | antibodies produced by injecting animals with a specific antigen; a series of antibodies are produced responding to a variety of different sites on the antigen | 24 | |
| 7827014241 | precipitin | an antibody that reacts with its corresponding antigen to form a precipitate | 25 | |
| 7827014242 | serology | the study of antigen-antibody reactions | 26 | |
| 7827016766 | serum | the liquid that separates from the blood when a clot is formed | 27 | |
| 7827016767 | sperm | the male reproductive cell | 28 | |
| 7827020491 | X chromosome | the female sex chromosome | 29 | |
| 7827020492 | Y chromosome | the male sex chromosome | 30 | |
| 7827044811 | zygote | the cell arising from the union of an egg and a sperm cell | 31 | |
| 7911790185 | Genetics | blood factors are controlled by; therefore they are highly distinctive | 32 | |
| 7911805739 | DNA | has become the favored method of identifying individual through blood | 33 | |
| 7911860519 | serology | involves a broad scope of laboratory tests that use specific antigen and serum antibody reactions | 34 | |
| 7911892882 | acid phosphate color test | what is the best way to locate and characterize a seminal stain? | 35 | |
| 7911916298 | DNA typing | forensic scientist can link seminal material to an individual by? | 36 | |
| 7911946825 | luminol test | is used to find trace amounts of blood at a crime scenes | 37 | |
| 7911973204 | precipitin test | uses antiserum normally derived from rabbits that have been injected with the blood of a known animal to determine the species origin of a questioned bloodstain | 38 | |
| 7912000115 | 1. Is it blood? 2. From what species did the blood originate? 3. If the blood id human, how closely can it be associated with a particular individual? | What are the 3 questions forensic scientist must answer when examining dried blood? | 39 | |
| 7912078854 | A | Type A blood has ____ antigens. | 40 | |
| 7912508264 | B | Type B blood has ____ antigens. | 41 | |
| 7912518656 | both A and B | Type AB blood has ____ antigens. | 42 | |
| 7912137942 | Origin of blood splatter in a 2-D configuration | established by drawing straight lines through the long axis of several bloodstains. The intersection represents the origin point | 43 | |
| 7912143674 | Direction of blood travel | the pointed end of a bloodstain always faces the direction of travel | 44 | |
| 7912149997 | How does the precipitin test work? | uses antisera, normally from rabbits that have been injected with the blood of a known animal, to determine the species origin of a bloodstain, if bloodstain is of human origin, must try to associate with an individual | 45 | |
| 7912163552 | leukocytes | white blood cells | 46 | |
| 7912172865 | How is the determination of blood best made? | By means of a preliminary color test, quick and easy, seen in crime shows (CSI), color change-blood | 47 | |
| 7912178696 | Acid phosphatase test | best way to locate and characterize a seminal stain, purple color indicates acid phosphatase enzyme | 48 | |
| 7912185321 | Why is it necessary to examine for the presence of seminal stains? | Many cases send to the lab involve sexual offenses | 49 | |
| 7912196440 | erythrocytes | red blood cells | 50 | |
| 7912203233 | How is the determination of blood best made? | EMIT-enzyme-multiplied immunoassay technique | 51 | |
| 7912210769 | Microcrystalline tests (Ex. Takayama and Teichmann tests) | depend on the addition of specific chemicals to the blood so that characteristic crystals will be formed, crystals contain hemoglobin derivatives | 52 | |
| 7912225227 | How can you find the identity of each of the four A-B-O blood groups? | by testing the blood with anti-A and anti-B sera | 53 | |
| 7912242969 | Impact angle of blood | determined by measuring the degree of circular distortion. At right angles-blood drop is circular, but as the angle decreases the stain is elongated | 54 | |
| 7912263043 | Physical contact may result in... | transfer of blood, semen, saliva, hairs, or fibers | 55 | |
| 7912289288 | the following items of physical evidence are to be collected: | 1. Pubic combings 2. Pubic hair standard/ reference samples 3. External genital dry-skin areas 4. Vaginal swabs and smear 5. Cervix samples 6. Rectal swabs and smear 7. Oral swabs and smear 8. Head hairs 9. Blood sample 10. Fingernail scrapings 11. All clothing 12. Urine specimen | 56 | |
| 7912478062 | RH factor | determined by the presence of the D antigen | 57 | |
| 7912493234 | How can you find the identity of each of the four A-B-O blood groups? | by testing the blood with anti-A and anti-B sera | 58 | |
| 7912529717 | neither A or B | Type O blood has ____ antigens. | 59 | |
| 7912535457 | Phenolphthalein indicatator (Kastle-Meyer test) | a positive result is highly indicative of blood, hemoglobin causes a deep pink color | 60 | |
| 7912549669 | Karl Landsteiner | Who discovered that blood is distinguishable by its group or type? | 61 | |
| 7912589404 | 1. Enzymes 2. Proteins 3. Inorganic substances | blood is a complex mixture of what cells? | 62 | |
| 7912596490 | Plasma | the fluid portion composed mostly of water and makes up 55% of blood content | 63 | |
| 7912603684 | Cells | 45% of blood content | 64 | |
| 7912621881 | When does blood clots occur? | when protein, fibrin, traps RBCs; the liquid that separates from blood when a clot is formed is the blood serum | 65 | |
| 7912648014 | oxygen | RBCs transport what from lungs to body tissue and then carbon dioxide from tissue to lungs | 66 | |
| 7912674582 | What are the four types of blood test? | 1. Luminol 2. Precipitin 3. Gel Diffusion 4. Color Tests | 67 | |
| 7912742258 | When luminol in contact with blood produces what? | light | 68 | |
| 7912784817 | Microcrystalline test, uses chemicals that form crystals if blood is present. Not very sensitive. Easily contaminated | 1.Takayama 2. Teichmann | 69 | |
| 7912820879 | How long can human bloodstains can be dried for? | as long as 10 to 15 years | 70 | |
| 7912842271 | What things that impact blood splatter? | 1. Surface Texture 2. Direction 3. Impact Angle 4. Origin | 71 |
