Download PBS Semester Exam Study Guide Unit One – The Mystery The

PBS Semester Exam
Study Guide
Unit One – The Mystery
1. The application of scientific knowledge to questions of civil and criminal law.
a. Hypothesis
b. Forensic science
c. Biomedical science
d. Positive control
2. The measureable effect, outcome, or response in which the research is interested.
a. Dependent variable
b. Independent variable
c. Positive control
d. Negative control
3. An experiment: 10 people are at rest and their B/P is taken using a B/P devise; then, you have these
10 people do 50 jumping jacks and re- measure their B/P. What is the dependent variable?
a. the exercise - 50 jumping jacks
b. resting prior to the experiment
c. the blood pressure - (example 120/80)
d. 10 people (subjects)
4. Processing a death scene involves
a. purposeful documentation
b. collection of physical evidence
c. making many subjective assumptions about the evidence
d. Both a and b
e. all of the above
5. How can blood at a death scene be analyzed?
a. patterns of spatter can be measured and provide clues to event that previous occurred
b. size of blood droplets can indicate height at which it fell
c. the color of blood can indicate venous or arterial
d. all of the above
6. A 911 Operator career could be described as
a. always requires a 4 year bachelors degree in science
b. uses verbal communication to instruct on best course of action and send appropriate help to site
c. usually is involved with helping to collect physical evidence at the scene
d. highly paid employee with regular hours from 9am to 5 pm
7. The innermost layer of hair is called the
a. keratin
b. cortex
c. cuticle
d. medulla
8. No two people have the same fingerprints, during fingerprint analysis minutiae (ridge details) are
compared. How many must match to establish identity?
a. 5-6
b. 12-15
c. 15-18
d. over 20
9. Which one is NOT a clue for estimating time of death?
a. algor mortis
b. rigor mortis
c. beta mortis
d. lividity
e. clouding of the corneas
10. After death, a body will lose heat at a rate approximately _______ degrees per hour until it reaches
the temperature of the surrounding environment.
a. 1
b. 2
c. 3 ½
d. 4
e. 2 ½
11. Why is a control group important for an experiment?
a. so you get results that are measureable
b. serves as a standard for comparison against the group where the independent variable is applied
c. so your results are more objective
e. serves as a way to get more subjects into the experiment
12. If blood droplets fall from a directly above, it will leave a _____________ stain.
a. oval
b. elongated
c. circular
d. jagged
e. triangular
13. Which of the following contain all of the others.
a. nucleotide
b. chromatin
c. DNA molecule
d. chromosome
e. phosphate group
14.Genes contain instructions for assembling what important molecules that gives us our traits?
a. proteins
b. nucleosomes
c. purines
d. lipids
e. carbohydrate
15. Which is NOT part of a nucleotide?
a. sugar molecule (deoxyribose)
b. phosphate group
c. nitrogenous base
d. nucleosome
16. According to Chargaff’s Rule, if you have 58 thymine bases, you would have ______ adenine bases.
a. 58
b. 42
c. 85
d. unable to determine
e. no such rule exists in science
17. Restriction Enzymes, also called restriction endonucleases, do what function?
a. inhibit the building of DNA in a PCR machine
b. display different size DNA fragments on a gel for analysis
c. act as molecular scissors to cut DNA at very specific locations
d. bind to specific DNA areas to mark the site where you would like for replications to occur
18. What decade was the structure of DNA finally determined?
a. 1930’s
b. 1940’s
c. 1950’s
d. 1960’s
e. 1970’s
19. Which is not a manner of death on a death certificate
a. justified
b. natural
c. homicide
d. accident
d. suicide
20. Which of the following would be a violation of HIPAA privacy requirements?
a. A receptionist leaves a message on a
c. Two nurses chat about their patient’s
patient’s personal cell phone.
parasite problem while standing in line
for lunch.
b. A doctor calls a 15 year old girl’s mother d. Two doctors discuss their patient Ann
and talks to her about the girl’s lab
Smith’s recent open heart surgery while
results.
in the staff room at the hospital.
21. An autopsy could be difficult to complete accurately because of
a. conflicting clues
b. extremely burnt bodies
c. severe decomposition
d. all of the above
22. When processing a crime scene, which is False
a. an accurate sketch is drawn which includes a legend, scale, and key
b. close up high quality photographs are taken
c. physical evidence is not collected since we have good photos
d. interviews are performed to help establish theories of death
e. gloves are worn to limit contamination of crime scene
23. What activities does an EMT perform?
a. transportation of accident victims to the hospital
b. stabilization of victims at the site, may start IV’s and maintain blood pressure
c. communicate with physician at hospital for details of the accident and type of response
d. may start an airway if victim not breathing adequately
e. all of the above could be performed
24. A CSI agent should be
a. very fast at collecting evidence ,even if sloppy technique sometimes occurs
b. willing to work 9- to 5 hours only
c. judgmental and bias
d. open-minded, inquisitive and good at solving mysteries
25. Fill in the chart below: Body System Identification;
Identify the system and one major organ/structure associated with that body system. (2 pts each)
1
Body System:
Organ/Structure:
2
Body System:
3
Body System:
Organ/Structure:
Organ/Structure:
4
5
6
Body System:
Body System:
Body System:
Organ/Structure:
Organ/Structure:
Organ/Structure:
7
Body System:
Organ/Structure:
Structure of the Human Heart …………………………………………………………..
1. Write the heart structure on the lines below that corresponds to each number label in the heart
image above
1. ____________________
7. ____________________
2. ____________________
8. ____________________
4./10.___________________
9. ___________________
5. ___________________
11. ___________________
6. ___________________
12. ___________________
13. ___________________
14. ___________________
2. Complete the blanks in the pathway of blood through the heart:
Body – Superior & Inferior Vena Cava – __________________ – Tricuspid Valve –
_________________ – Pulmonary semilunar valve – _____________________________ –
Lungs – _____________________ – Left atrium – ____________________ – Left ventricle –
_______________________ - Aorta - Body
3. Complete the table indicated if each structure contains oxygenated or deoxygenated blood:
Structure
Right Atrium
Write Oxygenated or Deoxygenated Blood
Pulmonary Vein
Left Ventricle
Inferior Vena Cava
4. SHORT ANSWER: (write 2 sentences) During the heart dissection, you measured the walls
of the ventricles and found that one ventricle wall was thicker than the other. Describe which
ventricular wall was thicker, and why.
5. Describe 2 specific differences and one similarity between an artery and vein in the Venn
diagram below:
Artery
Vein
The Heart at Work (2.3)…………………………………………………………………………
6. Describe what is occurring in the heart during diastole.
7. List 3 specific factors that could influence (raise or lower) heart rate and blood pressure
readings:
1.
2.
3.
8. Label the 3 peaks, or complexes, in the drawing of an EKG below, and complete the table:
Peak #
2.______
Describe what is occurring in the heart at
this peak
Peak 1
1.___
3.____
Peak 2
Peak 3
9. List the 4 components of blood, and explain the function(s) of each component of blood. Include
specific details or examples to support your description of the function:
Component
Function
10. Vocabulary matching. Write the letter that corresponds to the correct definition in the box to
the left of the vocabulary word.
Matching Vocab Term
Possible Definitions
Letter
Leukocyte
A. A red blood cell
Tissue
B. An iron-containing protein found in red blood cells that transports
oxygen from the lungs to the tissues of the body.
Erythrocyte
C. The study of tissues.
Histology
D. A white blood cell; primary function is defense against foreign
materials as part of the immune system.
Hemoglobin
E. An integrated group of cells with a common function, structure, or
both.
A
11. Use the labeled image to the right to answer the
following:
1. The largest sphere, labeled “A” is:
_______________________
2. The most abundant blood cell, labeled “Z” is:
__________________
3. Where are blood cells made? _____________
Z
4. What is the average size of a red blood cell? ______________ (remember to include units)