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PBS Unit 1-The Mystery Flashcards | StudBud
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PBS Unit 1-The Mystery
PBS Unit 1-The Mystery
26 terms
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StudBud Administration
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187 plays
A review of pltw material for Unit 1 Sections 1-3.
Flashcards
26 cards
F
Practice quiz
P
Host live
L
Questions
26
Answers
1
Which system carries oxygen and nutrients to the body and carbon dioxide and wastes away?
Integumentary
Endocrine
Respiratory
Circulatory
2
Which of the following would follow making a hypothesis in experimental design?
problem statement
carry out experiment
collect data
conclusion
3
In experimental design why is data collection important?
to support your conclusion
to help plan the experimental procedure
to make a good hypothesis
to help identify a problem
4
Smaller fragments will always be located _ in gel electrophoresis.
farthest from the well.
closest to the negative.
closest to the well.
closest to the positive.
5
Which of the following is done at a crime scene?
analysis of hair
photography
determining blood types
DNA analysis
6
Restriction enzyme KB502 cuts at the end of TCCG. How many fragments in TCGGATCCGAGGTATCCGACTC
FOUR
ONE
TWO
THREE
7
Which of the following is NOT a safety concern when dealing with a crime scene?
the physical size and terrain of the scene
the number of entrances and exits to the scene
the mood of bystanders around the scene
the suspect's location
8
Gel electrophoresis separates molecular products by
restriction enzymes.
charge.
size.
shape.
9
Regarding the microscope
the diaphragm regulates the visible field of the specimen.
the fine adjustment is used for focusing on low power.
the arm turns the objective lenses.
the stage is the flat part that supports the specimen.
10
Objects or things that can be used to prove or disprove an alleged fact are known as _.
testimonial evidence
relative evidence
evidence
physical evidence
11
The diameter of a blood drop can be used to estimate the
amount of blood lost.
blood type.
height from which the drop fell.
weapon used.
12
The one factor in an experiment that the scientist changes in each trial is the _.
dependent variable
independent variable
negative control
positive control
13
Drug trial: 1)measure bp for baseline, 2)drug/placebo given, 3)bp measured. Dependent variable?
number of patients
length of trial
pill vs placebo
patient's blood pressure
14
Unknown blood clumps in the presence of anti-A and anti-B, what blood type is the person?
Type B
Type O
Type AB
Type A
15
Research from any source including the Internet must be documented correctly to prevent _.
reliability
sabotage
plagiarism
crediting the correct authors
16
Which is correct after a texting and driving accident?
MOD is blunt force trauma to the body and COD is accidental
MOD is accidental and COD is blunt force trauma to the body
MOD is natural and COD is accidental
MOD is homicide and COD is blunt force trauma
17
What is the shape of the incision made in the chest during an autopsy?
U
T
Y
X
18
Overestimating the area of a crime scene is better than underestimating it.
False
True
19
What is an important reason to document the source of information we use?
We follow the guidelines of HIPAA reporting.
We can copy and paste an article and avoid plagiarism.
We give credit to those whose ideas we borrowed.
We make our reports appear more technical.
20
Time of death can be determined by measuring
blood pressure.
fingernail color.
core body temperature.
eye pupil diameter.
21
When focusing the microscope
when going from low to high obj the specimen gets larger
find the specimen first on high obj and put it in the center
focus first by using the coarse adjustment knob
fine adjustment knob is used to rotate the 40x obj
22
Which of the following is an inference about Anna Garcia?
she took aspirin
she was 66 inches tall
she was clumsy
she was 38
23
Which scenario is a violation of HIPAA guidelines?
Child Services is notified of a 5 year old left alone
the PD is contacted with a gunshot victim
the health department is notified of a suspected case of TB
the media is notified of the mayor's daughter's illness
24
What is the study of the effects of chemicals on the human body?
pharmacology
immunology
physiology
toxicology
25
Which is correct for HIPAA?
Health Insurance Portability and Admission Act
Health Insurance Portability and Accountability Act
Health Information Portability and Admission Act
Health Information Portability and Accountability Act
26
Chromosomes are made of _ and are found in the _ of cells.
RNA/nucleus
proteins/cytoplasm
DNA/nucleus
DNA/cytoplasm
