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EOC Review PBS Unit 1

Total questions: 112

Worksheet time: 1hrs 25mins

Name
Class
Date
1.
If adenine makes up 20% of DNA, what percent is thymine?
a)
20%
b)
10%
c)
30%
d)
60%
2.

What is a dependent variable?

a)

What is measured in an experiment

b)
What you change in an experiment 
c)
A prediction about an experiment
d)
What stays the same in an experiment
3.
What are the three components of a nucleotide?
a)
sugar, hydrogen, nitrogen base
b)
sugar, oxygen, nitrogen base
c)
sugar, phosphate, nitrogen base
d)
sugar, phosphate, protein
4.
Cytosine always pairs with
a)
Adenine
b)
Thymine
c)
Uracil
d)
Guanine
5.
Which sequence of DNA bases would pair with this partial strand
ATG TGA CAG
a)
ATG TGA CAG
b)
TAC ACT GTC
c)
GTA AGT GAC
d)
CAT TCA CTG
6.

The separation of nucleic acids or proteins, on the basis of their size and electrical charge, by measuring their rate of movement through an electrical field in a gel.

a)

Gel Electrophoresis

b)

Deoxyribonucleic Acid (DNA)

c)

Restriction Enzyme

d)

Cytosine

7.

A degradative enzyme that recognizes specific nucleotide sequences and cuts up DNA.

a)

Restriction Enzyme

b)

Restriction Fragment Length Polymorphisms (RFLPs)

c)

Independent Variable

d)

Medical Examiner

8.

The variable that is varied or manipulated by the researcher.

a)

Independent Variable

b)

Dependent Variable

c)

Control Group

d)

Hypothesis

9.

Specialized clothing or equipment, worn by an employee for protection against infectious materials (as defined by OSHA).

a)

Personal Protective Equipment

b)

Biomedical Science

c)

Restriction Enzyme

d)

Autopsy

10.

A component of nucleic acid that carries hereditary information in DNA in cells. Chemically, it is a pyrimidine base. Bonds with Adenine.

a)

Thymine

b)

Guanine

c)

Adenine

d)

Cytosine

11.

Differences in DNA sequence on homologous chromosomes that can result in different patterns of restriction fragment lengths (DNA segments resulting from treatment with restriction enzymes).

a)

Restriction Fragment Length Polymorphisms (RFLPs)

b)

Restriction Enzyme

c)

Chromosome

d)

Deoxyribonucleic Acid (DNA)

12.

What is always done first at a crime scene?

a)

secure it

b)

photograph it

c)

sketch it

d)

collect evidence

13.

Time of death is determined by measuring

a)

rigor mortis

b)

pupil dilation

c)

environmental temperature

d)

core body temperature

14.

When blood hits a surface at 90 degrees it

a)

creates a circular shape

b)

splashes everywhere

c)

creates a tear-drop shape

d)

loses its DNA

15.

A DNA strand that reads ATGGC has a complimentary strand that reads

a)

CGGTA

b)

TACCG

c)

GCCAT

d)

ATGGC

16.

Blood from 2 meters from the ground

a)

is 2 cm in diameter

b)

is 1.2 cm in diameter

c)

is not included in the chart

d)

is circular in shape

17.

Which lanes represent DNA from the same person?

a)

1 and 2

b)

2 and 3

c)

1 and 4

d)

3 and 4

18.

Who performs an autopsy?

a)

medical examiner

b)

toxicologist

c)

crime scene investigator

d)

lead detective

19.

According to HIPAA your information can be shared when

a)

public health is concerned

b)

you are a public figure

c)

your doctor knows you personally

d)

you visit any medical professional

20.

The outermost layer of hair is called the...

a)

cortex

b)

medulla

c)

cuticle

d)

keratin

21.

This fingerprint is an example of a...

a)

arch

b)

whorl

c)

loop

d)

tented arch

22.

Which blood cell provides a major defense for our bodies against bacteria and viruses?

a)

erythrocyte

b)

leukocyte

c)

thrombocyte

d)

plasma

23.

Which blood cell contains hemoglobin for carrying oxygen?

a)

erythrocyte

b)

leukocyte

c)

thrombocyte

d)

plasma

24.

Other than ridge patterns, what else do scientists use to identify and match fingerprints?

a)

minutiae

b)

medulla

c)

whorls

d)

keratin

25.

Which of the following physiological responses are NOT measured during a polygraph test?

a)

Respiration rate

b)

Heart rate

c)

Digestion rate

d)

Blood pressure

26.

Which of the following is the most common presumptive blood test that uses phenolphthalein which reacts with hemoglobin?

a)

Luminol

b)

Leucocrystal Violet

c)

Kastle-Meyer

27.

The effect of type of music on heart rate was tested by a student. What is the INDEPENDENT variable in the experiment?

a)

heart rate

b)

type of music

c)

time

28.

What part of the hair is represented by letter A?

a)

cuticle

b)

cortex

c)

medulla

d)

root

29.

What part of the hair is represented by letter B?

a)

cuticle

b)

cortex

c)

medulla

d)

root

30.

What part of the hair is represented by letter C?

a)

cuticle

b)

cortex

c)

medulla

d)

root

31.

What fingerprint ridge pattern is seen here?

a)

whorl

b)

loop

c)

arch

d)

fork

32.

What fingerprint ridge pattern is seen here?

a)

whorl

b)

loop

c)

arch

d)

fork

33.

Which part of blood is responsible for clotting?

a)

red blood cells

b)

white blood cells

c)

platelets

34.

The Kastle-Meyer test is a _____________ test because it suggests a sample MAY contain blood.

a)

presumptive

b)

confirmatory

35.

What blood type is sample 2?

a)

A

b)

B

c)

AB

d)

O

36.

What blood type is sample 4?

a)

A

b)

B

c)

AB

d)

O

37.

Which DNA bases pair together?

a)

A-T

b)

G-A

c)

C-T

d)

T-G

38.

If a restriction enzyme cuts between base pairs GG|CC, how many DNA fragments will result?

a)

1

b)

2

c)

3

d)

4

39.

Which suspect's DNA was found at the crime scene?

a)

1

b)

2

c)

3

d)

4

40.

Which band is created by the LONGEST DNA fragments?

a)

A

b)

B

c)

C

41.

When DNA is run through gel electrophoresis, the DNA moves toward the __________ end of the gel.

a)

positive

b)

negative

c)

neutral

42.

What is the meaning of a gross examination?

a)

Using a microscope to see microscopic details

b)

Cutting the torso to expose internal organs

c)

Using your eyes to examine whole organs or specimens

d)

Completing a pathology chemical exam

43.

This person conducts a microscopic tissue exam.

a)

histologist

b)

medical examiner

c)

entomologist

d)

toxicologist

44.

What does the word qualitative mean?

a)

describing with numbers

b)

describing with adjectives

c)

describing with an illustration

d)

describing using diagrams

45.

What does the word quanitative mean?

a)

describing with numbers

b)

describing with adjectives

c)

describing with illustrations

46.

What is the correct order of organization?

a)

molecule - tissue - organ system - organ

b)

tissue - molecule - cell - organ - organ system

c)

organism - organ - organ system - tissue

d)

cell - tissue - organ - organ system - organism

47.

This tissue supports the body in various forms such as blood, bone, fat, and cartliage.

a)

connective tissue

b)

cardiac tissue

c)

muscular tissue

d)

epithelial tissue

48.

This section of the brain receives and processes information from the eyes.

a)

frontal lobe

b)

parietal lobe

c)

occipital lobe

d)

temporal lobe

49.

This section of the brain is responsible for coordination, pleasure, attention, and fear and is the last to develop in adolesence.

a)

frontal

b)

temporal

c)

occipital

d)

parietal

50.

A brain dysfunction related to an outside force to the head.

a)

Chronic Traumatic Encephalopathy (CTE)

b)

Traumatic Brain Injury (TBI)

c)

Concussion

d)

Hematoma

51.
The fluid portion of blood that carries blood cells, glucose, proteins, fats, and wastes throughout the body.
a)
red blood cells
b)
white blood cells
c)
plasma
d)
platelets
52.

What is the blood type?

a)

O

b)

AB

c)

A

d)

B

53.

When red blood cells clump as a result of the blood not being compatible, it's called________

a)

antigens

b)

antibodies

c)

agglutination

d)

platelets

54.

Which image represents Type B blood?

a)
b)
c)
d)
55.

What is the blood type?

a)

B

b)

A

c)

O

d)

AB

56.

What is the blood type?

a)

O

b)

AB

c)

A

d)

B

57.

Mike has type O blood. Mike can safely receive blood from someone who has Type A or Type B.

a)
True
b)
False
58.
What is the purpose of gel electrophoresis?
a)
helps cut DNA
b)
count the genes in DNA
c)
separates DNA based on size
d)
allows for an exact replicated organism
59.

In preparation for an electrophoresis procedure, enzymes are added to DNA in order to

a)

convert the DNA into gel

b)

cut the DNA into fragments

c)

change the color of the DNA

d)

produce longer sections of DNA

60.

This laboratory procedure is known as

a)

CLONING

b)

gel electrophoresis

c)

chromatography

d)

use of a dichotomous key

61.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
62.
Which suspect is likely guilty?
a)
Suspect #1
b)
Suspect #2
c)
Suspect #3
63.

Once DNA has been extracted from the nucleus of a cell, it is exposed to ______ ______ that act like biochemical scissors to cut the DNA.

a)

restriction enzymes

b)

gel agarose

c)

clotting factors

d)

electric shock

64.

Gel electrophoresis separates fragments of DNA by:

a)

Size/weight

b)

Genes

c)

Base pairs

d)

Electromagnetic charge

65.

In a DNA fingerprint, lighter-weight fragments can be found at the:

a)

Top

b)

Bottom

c)

Middle

d)

Front

66.

If a strand of DNA has 39% Cytosine, it has...

a)

39% Adenine

b)

39% Guanine

c)

39% Thymine

d)

39% combined Cytosine and Guanine

67.

If there is 22% Cytosine, how much of all the other bases are there?

a)

22% C, 22% G, 28% A, and 28%T

b)

22% C, 28% G, 22% A, and 28%T

c)

28% C, 28% G, 28% A, and 28%T

d)

22% C, 22% G, 22% A, and 22%T

68.

Contains hemoglobin, supplies body with oxygen

a)

Plasma

b)

Platelet

c)

White Blood Cell

d)

Red Blood Cell

69.
platelets are also known as
a)
leukocytes
b)
erthryocytes
c)
thrombocytes
d)
monocytes
70.
white blood cells are also known as
a)
thrombocytes
b)
erthryocytes
c)
monocytes
d)
leukocytes
71.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
72.

Proteins are produced at this organelle.

a)

golgi body

b)

ribosome

c)

cytoskeleton

d)

cilia

73.

this organelle makes ATP.

a)

chloroplast

b)

mitochondria

c)

ribosome

d)

nucleolus

74.

This organelle packages and processes proteins

a)

Smooth ER

b)

Rough ER

c)

Golgi body

d)

vacuole

75.
This is when the body changes heat after death.
a)
Algor Mortis
b)
Rigor Mortis
c)
Livor Mortis
76.
This system includes the skin, hair, and nails.
a)
integumentary
b)
nervous
c)
skeletal
d)
muscular
77.
This system secretes chemical messages (hormones) to different parts of the body.
a)
excretory
b)
endocrine
c)
digestive
d)
immune
78.

This occurs 2-4 hours after death, where the blood pools due to gravity. The area affected is a bluish-red color.

a)

rigor mortis

b)

algor mortis

c)

livor mortis

79.

The process that causes the muscles in the body to stiffen resulting in rigidity after death is called

a)

algor mortis

b)

rigor mortis

c)

livor mortis

80.

A cold environment causes algor mortis to occur

a)

faster

b)

slower

81.

This career uses insect life cycles to determine time of death.

a)

Forensic Techician

b)

Forensic Toxicologist

c)

Forensic Entomologist

d)

Biomedical Scientist

82.

The body loses how many degrees per hour after death

a)

1.5 °F

b)

2 °F

c)

3 °F

d)

4 °F

83.

A body is found with a blue-purple coloring across the back and the back of the legs. What does this indicate?

a)

the victim died laying on their stomach

b)

the victim died laying on their back

c)

the victim was exercising prior to death

d)

the victim died in a cold environment

84.

A body is found sitting upright in a chair, however the front of the body (chest, stomach, and thighs) are colored blue-purple. What does this indicate?

a)

the victim died sitting in the chair

b)

the victim died laying on their back

c)

the victim was moved after death

d)

the victim died from unusual circumstances

85.

What happens inside the body to result in a person's death.

a)

cause of death

b)

manner of death

c)

mechanism of death

86.

Which crime scene search pattern is best in large, outdoor scenes; moving in one direction?

a)

line

b)

grid

c)

zone

d)

spiral

87.

Which crime scene search pattern is best using a double-line search with a lot of people; effective, but time-consuming?

a)

line

b)

grid

c)

zone

d)

spiral

88.

Which crime scene search pattern is most effective in houses or buildings; teams are assigned small parts of the scene for searching?

a)

line (AKA parallel or strip)

b)

grid

c)

zone (AKA quadrant)

d)

spiral

89.

Which crime scene search pattern is moving in a circular direction; inward or outward; best when there are no physical barriers.

a)

line

b)

grid

c)

zone

d)

spiral

90.

Polygraph records several physiological indicators such as

a)

Blood Pressure

b)

Respiration

c)

Skin

d)

All of the above

91.

The point of origin is ...

a)

the location from which all measurements are taken.

b)

a bird's eye view of a crime scene.

c)

framing the scene with police tape.

d)

documenting any evidence.

92.

When completing a polygraph test, _______ data is taken by asking control questions to provide a reference point for all physiological responses during the test.

a)

baseline

b)

relevant

c)

dependent

d)

independent

93.

In Experimental Design, this is the variable that is measured.

a)

Independent

b)

Dependent

c)

Control

d)

Baseline

94.

Maria (type B+) and Jacob (type B-) are sister and brother. Can Maria receive Jacob's blood in the event of an emergency?

a)

Yes

b)

No

95.

Someone with both Type A & B antibodies is which blood type?

a)

A

b)

B

c)

AB

d)

O

96.

Letter D is pointing to

a)

Aorta

b)

Right Pulmonary Artery

c)

Superior Vena Cava

d)

Pulmonary Trunk

97.

Letter G is pointing to

a)

Right atrium

b)

Left Atrium

c)

Right ventricle

d)

Left ventricle

98.

Which letter is pointing to the Apex?

a)

H

b)

I

c)

E

d)

B

99.

Of the four chambers, which one carries deoxygenated blood?

a)

F and J

b)

F and A

c)

A and G

d)

J and G

100.

Which letter is pointing to the tricuspid valve?

a)

M

b)

N

c)

L

d)

O

101.

Which of the following carries blood TO the lungs?

a)

pulmonary veins

b)

pulmonary arteries

c)

aorta

d)

superior vena cava

102.

What large vessel takes blood to the bottom half of the body?

a)

descending aorta

b)

pulmonary arteries

c)

ascending aorta

d)

both vena cava

103.

Which of the following brings blood back to the heart from the lungs?

a)

C

b)

D and K

c)

E

d)

B

104.

Structure B carries

a)

oxygenated blood

b)

deoxygenated blood

105.

Prevention of backflow is the function of the

a)

pulmonary arteries

b)

valves

c)

septums

d)

vena cava

106.

After dropping off oxygen to the body, blood will re-enter the heart through the

a)

pulmonary veins

b)

aorta

c)

superior and inferior vena cava

d)

pulmonary arteries

107.
What chamber pumps blood to the body?
a)
Right atrium
b)
Right ventricle
c)
Left atrium
d)
Left ventricle 
108.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
109.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
110.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
111.
Identify the circled valve
a)
Tricuspid
b)
Mitral
c)
Pulmonary
d)
Aortic
112.

This part of the heart separates the left and right heart chambers.

a)

Mitral valve

b)

Septum

c)

Aortic valve

d)

Inferior vena cava

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