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PBS Final Exam

Total questions: 85

Worksheet time: 53mins

Name
Class
Date
1.
What is the effect of height on the size of blood spatter?
a)
higher = smaller diameter
b)
higher = larger diameter
c)
height has no effect on the size of blood spatter
d)
it is impossible to tell the effect
2.
A variable that is being measured in response to what the researcher is changing is
a)
the independent variable
b)
the dependent variable
c)
the control
d)
the hypothesis
3.
Which biomedical professional determines manner of death?
a)
pathologist
b)
forensic specialist
c)
medical examiner
d)
internist
4.
Which of the following are NOT one of the steps to processing a crime scene?
a)
Examine
b)
Interview
c)
Sketch
d)
Blood
5.
Why are the 5 steps of processing a crime scene important?
a)
They link evidence to the investigation
b)
They indicate if the investigation has been tampered with
c)
helps to identify suspects or people of interest.
d)
all of the above
6.
PPE stands for
a)
Persons Protective Equipment
b)
Personal Protective Equipment
c)
Professional Protective Equipment
d)
Personal Product Equipment
7.
A person is found by a neighbor. What career is involved in notifying the police and calling the ambulance?
a)
911 operator
b)
EMT
c)
Coroner
d)
Medical Examiner
8.
What shape of blood stain is produced when a droplet of blood strikes a horizontal surface at 90 degrees?  
a)
Oblong (Oval)
b)
Circular
c)
Large Smears
d)
Tiny dots
9.

No two people have the same fingerprints. During fingerprint analysis, minutiae (ridge details) are compared. What is the least number of points of minutiae that must match to establish similarity between two prints and that they are identical?

a)

7-10

b)

12-15

c)

15-18

d)

20 or more

10.

The innermost layer of the hair is called the

a)

Cuticle

b)

Cortex

c)

Medulla

d)

Keratin

11.

Which hormone is produced when blood sugar is HIGH?

a)

glucagon

b)

insulin

c)

glucose

d)

pancreasome

12.
Which molecule is made up of amino acids?
a)
carbohydrates
b)
lipids
c)
proteins
d)
water
13.
What type of molecule is this?
a)
carbohydrate
b)
lipid
c)
protein
d)
water
14.

Pressure exerted by the blood upon the walls of the blood vessels, especially arteries, usually measured by means of a sphygmomanometer and expressed in millimeters of mercury (mmHg).

a)

Electrocardiogram

b)

Systole

c)

Diastole

d)

Blood pressure

15.

What is a function of the coronary arteries?

a)

To supply blood to the lungs

b)

To supply blood to the brain

c)

To supply blood to the heart

d)

To supply blood to the aorta

16.
A vessel that returns blood to the heart.
a)
Capillary
b)
Artery
c)
Vein
d)
Ventricle
17.
The type of cells that make glucagon.
a)
alpha cells of pancreas
b)
beta cells of pancreas
c)
liver
d)
brain
18.

What is high blood sugar called?

a)
Hyperglycemia
b)
Hypoglycemia
19.

This is the name of the simple sugar that is found in your blood?

a)

water

b)

glucose

c)

sodium

d)

sugar

20.

What is the primary factor that determines the three-dimensional shape of a protein?

a)

The structure of the amino acids

b)

The sequence of amino acids

c)

The structure of peptide bonds

d)

The sequence of peptide bonds

21.

According to the table, which unknown sample would be the least healthiest choice?

a)

Unknown sample 2

b)

Unknown sample 1

c)

Unknown sample 4

d)

Unknown sample 3

22.
The normal range for resting blood sugar is 
a)
30-69 mg/dL
b)
70-130 mg/dL
c)
160-280 mg/dL 
d)
425 mg/dL
23.
Rapid growth during puberty causes your body to release more and more growth hormones. As you grow, more and more growth hormones are released until puberty is reached, and then the hormones stop.
a)
Positive Feedback Response
b)
Negative Feedback Loop 
24.
What is the medical term for heart attack?
a)
Myocardial infarction
b)
Hypertrophic cardiomyopathy
c)
Commotio cordis
d)
Myocardial difibrilation
25.
Name the part.
a)
Left ventricle
b)
Vena cava
c)
Right atrium
d)
Right ventricle
26.
Hemoglobin is a _______.
a)
protein
b)
parasite
c)
plasma
27.

If you have type B- blood, who can be your donor?

a)

B- only

b)

A- and AB-

c)

O- and B-

d)

AB+

28.

The reason someone dies is called the:

a)

type of death

b)

manner of death

c)

cause of death

d)

mechanism of death

29.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
30.
Which macromolecule is shown?
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
31.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Emulsion

32.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

brick red

33.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

orange

34.

This test shows results for which blood type?

a)

B+

b)

B-

c)

A+

d)

A-

35.

Someone with Type AB blood has...

a)

Both A & B antibodies

b)

No antibodies

c)

only A antigens

d)

only B antigens

36.
What is the strongest (thickest) part of the heart?
a)
right atrium
b)
right ventricle
c)
left ventricle
d)
left atrium
37.
Where does blood go after the right atrium?
a)
left atrium
b)
left ventricle
c)
right ventricle
d)
aorta
38.
Un-oxygenated blood enters the right atrium from the top of the heart.
a)
inferior vena cava
b)
superior vena cava
c)
aorta
39.
Separates the chambers of the heart.
a)
Septum
b)
Veins
c)
aortic valve
40.
2?
a)
Heart
b)
Right Ventricle
c)
Left Atrium
d)
Left Ventricle
41.
7?
a)
Left Atrium
b)
Left Ventricle
c)
Aortic Valve
42.
A flap of tissue that prevents blood from flowing backward
a)
Aorta
b)
Atrium
c)
Septum
d)
Valve
43.
Name this part.
a)
Left ventricle
b)
Pulmonary artery
c)
Right atrium
d)
Pulmonary veins
44.

what is diabetes?

a)

The body is able to properly respond to, or produce insulin, resulting in too much sugar in the blood.

b)

The body is unable to properly respond to, or produce insulin, resulting in too much sugar in the blood.

c)

The body is unable to properly respond to, or produce insulin, resulting in too low sugar in the blood.

d)

all of the above

45.

Insulin is produced in the _________

a)

stomach

b)

pancreas

c)

liver

d)

kidneys

46.

How does Type I diabetes develop?

a)

During the 5th or 6th month of pregnancy

b)

When people are obese and do not have a healthy lifestyle

c)

When the immune system of the body attacks pancreas cells

47.

Hyperglycaemia is when ________

a)

blood sugar is high

b)

blood cholesterol is high

c)

blood sugar is low

d)

blood oxygen is low

48.

Ahmad took a blood glucose test while fasting and his result is 145 mg/dl of glucose. What is his diagnosis?

a)

Non-diabetic

b)

Pre-diabetic

c)

Diabetic

49.

In which of the following types of diabetes does the pancreas not produce enough insulin?

a)

Type I

b)

Type II

c)

Gestational diabetes

50.

True or False: Type II is more common than Type I

a)

True

b)

False

51.

Diabetes that often develops during adolescence, characterized by a lack of insulin

a)

Type 1 Diabetes

b)

Type 2 Diabetes

c)

Prediabetes

d)

Gestational Diabetes

52.

Maintenance of stable internal conditions, despite environmental changes.

a)

homeostages

b)

homeostasis

c)

hydrolysis

d)

protein

53.
No insulin is produced
a)
Type 1
b)
Type 2
54.
The "cause" for something to happen is the
a)
response
b)
effect
c)
stimulus
d)
homeostasis
55.
When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. 
a)
Positive Feedback Response
b)
Negative Feedback Loop 
56.

What type of feedback loop is shown?

a)

negative

b)

neutral

c)

positive

57.
What type of feedback loop is shown?
a)
Positive
b)
Neutral
c)
Negative
58.

Which hormone is produced by the liver?

a)

insulin

b)

glucagon

c)

both insulin and glucagon

d)

neither insulin nor glucagon

59.

Which hormone is produced when the blood glucose concentration is below normal?

a)

insulin

b)

glucagon

c)

both insulin and glucagon

d)

neither insulin nor glucagon

60.

A person has not ate for 12 hours. Which hormone is more likely to be produced?

a)

insulin

b)

glucagon

c)

both insulin and glucagon

d)

neither insulin nor glucagon

61.

A person ate a meal rich of carbohydrates. Which hormone is likely produced after the food is digested and absorbed?

a)

insulin

b)

glucagon

c)

both insulin and glucagon

d)

neither insulin nor glucagon

62.
Which part of a bacteria cell wall "holds" the stain? 
a)
plasma membrane
b)
fimbriae
c)
peptidoglycan
d)
pilus
63.
These bacteria are
a)
gram positive
b)
gram negative
c)
nonliving
d)
viral
64.
These bacteria are
a)
nonliving
b)
gram positive
c)
gram negative
d)
gram positive and gram negative
65.
This is
a)
gram positive
b)
gram negative
c)
confusing (don't choose!)
d)
Who knows? (don't choose)
66.
During the lytic infection by a virus, the host cell is-
a)
destroyed
b)
copied
c)
passed on to the lysogenic cycle
d)
not affected
67.
The purpose of the protein coat surrounding a virus, other than to protect the virus, is to-
a)
react with the cell wall of the host cell
b)
release hereditary information into the host cell
c)
produce proteins within the host cell
d)
destroy the nucleus of the host cell
68.

In what process is mRNA synthesized?

a)

Transcription

b)

Translation

c)

DNA Replication

d)

Mitosis

69.

Where does TRANSCRIPTION occur?

a)

Nucleus

b)

Ribosome

c)

Cytoplasm

d)

Mitochondria

70.

Why must transcription occur where DNA can be found?

a)

because DNA can't leave

b)

because ribosomes are in the nucleus

c)

because DNA polymerase is found there

d)

because helicase unzips the DNA

71.

How many nucleotides equal 1 amino acid?

a)

1

b)

2

c)

3

d)

4

72.

TRANSCRIBE this DNA sequence: TACGTTACT

a)

AUGCAAUGA

b)

ATGCAATGA

c)

AUGGATUGA

d)

TACGTTACT

73.

Which of the following are differences in the structure between RNA and DNA? Select all

a)

DNA uses deoxyribose sugar, RNA uses sugar ribose

b)

DNA pairs Adenine with Uracil, RNA pairs Adenine with Thymine

c)

DNA is a double helix, RNA is a single helix

d)

DNA pairs Adenine with Thymine, RNA pairs Adenine with Uracil

74.
What is the term for a three-nucleotide sequence that codes for an amino acid?
a)
base
b)
codon
c)
amine
d)
serine
75.
How many base pairs would be needed to chain together 3 amino acids?
a)
3
b)
6
c)
9
d)
12
76.
What process is going on in this photo? 
a)
Transcription 
b)
Translation 
c)
Replication 
d)
All the above 
77.
Does the order of amino acids in a protein matter?
a)
YES!
b)
NO!
78.

The sequence that that restriction Enzymes recognizes contains how many bases?

a)

a).1

b)

b). 3

c)

c).6

d)

d).12

79.

How do we name restriction Enzymes ?

a)

a).First letter in Cap for Genus, next two letter in small for species, next one letter for strain and roman numeral for order of discovery

b)

b). First two letter in Cap for Genus, next one letter in small for species, next one letter for strain and English numeral for order of discovery

c)

c). First two letter in Cap for Genus, next one letter in capital for species, next one letter for strain and roman numeral for order of discovery

d)

d). First two letter in Cap for Genus, next one letter in small for species, next one letter for strain and roman numeral for order of discovery

80.

A student performed a gel electrophoresis experiment. The results are represented in the diagram

below. Compared to the fragments at the top of the gel, the fragments at the lower end are

a)

larger, and move slower

b)

larger, and move faster

c)

smaller, and move faster

d)

smaller, and move slower

81.
Based on these results whose blood was found in the blood stain at the crime scene?
a)
Bob
b)
Sue
c)
John
d)
Lisa
82.

If a point mutation does not change the order of the amino acid sequence, this is called a:

a)

nonsense mutation

b)

silent mutation

c)

missense mutation

d)

frameshift mutation

83.

If a mutation codes for "stop" in the amino acid chain, this is called a:

a)

nonsense mutation

b)

missense mutation

c)

silent mutation

d)

frameshift mutation

84.

Which of the following mutations would be the most likely to affect the resulting protein?

a)

substitution

b)

silent mutation

c)

frameshift mutation

d)

all mutations affect the resulting protein

85.

Mutations that change the amino acid specified by the codon, affecting the amino acid sequence, are called:

a)

nonsense mutations

b)

missense mutations

c)

silent mutations

d)

all of the above

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