Bios255 exam - Study guides, Class notes & Summaries
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Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Review Study Guide | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 21 pages • 2024
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Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Review Study Guide | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
cardiac pacemaker cells 
Answer: 
 SA nodes 
 
 
Question: 
SA node 
Answer: 
 Sodium, potassium and calcium 
 
 
 
 
 
Question: 
Slow influx of Na+ 
Answer: 
 Results of this depolarization 
 
 
Question: 
Electrical conduction system 
Answer: 
 SA node, AV node, Bundle of His, Purkinje fibers 
 
 
Question: 
P wave 
Answer:...
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Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Weeks 5 – 7 Review | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 55 pages • 2024
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Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Weeks 5 – 7 Review | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
External respiration 
Answer: 
exchange of gases between alveolar air and blood in pulmonary capillaries 
 
 
Question: 
Simple diffusion 
Answer: 
the reason o2 and co2 move across alveolar membrane 
 
 
 
 
 
Question: 
simple diffusion 
Answer: 
movement of a solute from an area of high concentration to an area of low con...
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Exam 1: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Complete Guide | 100% Correct| Grade A -Chamberlain Components of whole blood - ANSWER ~Erythrocytes-RBS ~Leukocytes-WBC ~Plasma
- Exam (elaborations) • 13 pages • 2024
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Exam 1: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Complete Guide | 100% Correct| Grade A -Chamberlain 
 
 
 
Components of whole blood - ANSWER ~Erythrocytes-RBS 
~Leukocytes-WBC 
~Plasma
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Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Review | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 21 pages • 2024
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Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Test Review | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
Tonsils 
Answer: 
Found in pharynx and oral cavity - helps to trap inhaled or ingested foreign substances 
 
 
Question: 
pharyngeal tonsil 
Answer: 
Wall of nasopharynx 
 
 
 
 
 
Question: 
palatine tonsils 
Answer: 
Pair at posterior oral cavity, tonsillitis 
 
 
Question: 
lingual tonsils 
Answer: 
pair at root of tongue 
 
 
Question...
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Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Review Test Questions & Answers | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 17 pages • 2024
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Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Review Test Questions & Answers | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
depolarization is due to 
Answer: 
calcium and sodium 
 
 
Question: 
repolarization is due to 
Answer: 
potassium 
 
 
 
 
 
Question: 
closing of the valves 
Answer: 
heart sound 
 
 
Question: 
1st heart sound 
Answer: 
AV valves closing (lub) 
 
 
Question: 
2nd heart sound 
Answer: 
Semilunar valves closing (dub) ...
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Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Study Guide | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 55 pages • 2024
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Exam 1: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Study Guide | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
What is the pericardium? 
Answer: 
double-walled sac that encloses the heart 
 
 
Question: 
What are the layers of the heart? 
Answer: 
Epicardium 
Myocardium 
Endocardium 
 
 
 
Question: 
What layer is the epicardium? 
Answer: 
outer layer 
 
 
Question: 
What layer is the myocardium? 
Answer: 
The middle layer which is a muscle l...
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Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Questions & Verified Answers | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 22 pages • 2024
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Exam 2: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Questions & Verified Answers | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
principal variables that physiologically determine blood pressure 
Answer: 
resistance to flow 
blood volume 
cardiac output 
 
 
Question: 
cardiac output 
Answer: 
the amount of blood pumped out of the left ventricle per minute so it will directly influence blood pressure in the blood vessels. 
 
Question: 
local ...
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Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Study Guide Questions & Answers | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 96 pages • 2024
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Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Study Guide Questions & Answers | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
Components of the Respiratory System 
Answer: 
Conducting zone 
respiratory zone 
upper respiratory tract 
lower respiratory tract 
 
 
Question: 
Principal organs 
Answer: 
Nose, pharynx, larynx, trachea, lungs (and bronchi, bronchioles, alveoli within lungs) 
Question: 
Conducting zone 
Answer: 
no gas exchange-...
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Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Review Questions & Answers | 100% Correct | Grade A - Chamberlain
- Exam (elaborations) • 24 pages • 2024
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Exam 3: BIOS255 / BIOS 255 (Latest Update 2024 / 2025) Anatomy & Physiology III with Lab | Exam Review Questions & Answers | 100% Correct | Grade A - Chamberlain 
 
 
 
Question: 
respiratory membrane 
Answer: 
thin barrier between the alveolar air and blood 
 
 
Question: 
The respiratory membrane consists of three layers: 
Answer: 
squamous alveolar cells 
endothelial cells of blood capillary 
their shared basement membrane 
 
 
 
Question: 
Describe the layers of the pleura membrane and the l...
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Exam 1: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain
- Exam (elaborations) • 24 pages • 2024
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Available in package deal
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Exam 1: BIOS 255 / BIOS255 (2024/ 2025 Update) Anatomy and Physiology III Review with Questions and Verified Answers| 100% Correct| Grade A -Chamberlain 
 
Q: albumin smallest and most abundant plasma protein 
viscosity and osmolarity 
 
 
 
Q: what do albumins influence 
 
 
Answer: 
blood pressure, flow, and fluid balance 
 
 
 
Q: globulins 
 
 
Answer: 
alpha, beta, gamma 
provide immune system functions 
 
 
 
Q: fibrinogen 
 
 
Answer: 
help form blood clots 
 
 
 
Q: RBCs (erythrocytes) c...
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