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BIOS 251 Anatomy and Physiology Exam 1 updated 2024 with Correct Answers
What is anatomy and physiology? - ANS: • Anatomy-study of the structures of the human body. 
• Physiology-Study of the function and working of those structures. 
 
Define buffer - ANS: form chemical systems that absorb excess acids or bases to maintain a relatively stable pH, maintains homeostasis 
 
Define metabolism - ANS: refers to the whole sum of reactions that occur throughout the body within each cell and they provide the body with energy. 
 
Define homeostasis - ANS: Maintaining a st...
- Exam (elaborations)
- • 10 pages •
What is anatomy and physiology? - ANS: • Anatomy-study of the structures of the human body. 
• Physiology-Study of the function and working of those structures. 
 
Define buffer - ANS: form chemical systems that absorb excess acids or bases to maintain a relatively stable pH, maintains homeostasis 
 
Define metabolism - ANS: refers to the whole sum of reactions that occur throughout the body within each cell and they provide the body with energy. 
 
Define homeostasis - ANS: Maintaining a st...
BIOS 251 Exam 1 Preparation Questions with Answers
The study of human structure - ANS: Anatomy 
 
The study of human function - ANS: Physiology 
 
A tendency for organisms to maintain a balanced or constant internal state - ANS: Homeostasis 
 
A state of balance - ANS: Equilibrium 
 
Consequences of homeostatic imbalance - ANS: Illness or death 
 
Thermoregulation Process - ANS: 
 
A feedback loop in which a system responds to a change by reversing that change, or by decreasing the rate at which the change is occurring. (Ex. thermoregulation) -...
- Exam (elaborations)
- • 31 pages •
The study of human structure - ANS: Anatomy 
 
The study of human function - ANS: Physiology 
 
A tendency for organisms to maintain a balanced or constant internal state - ANS: Homeostasis 
 
A state of balance - ANS: Equilibrium 
 
Consequences of homeostatic imbalance - ANS: Illness or death 
 
Thermoregulation Process - ANS: 
 
A feedback loop in which a system responds to a change by reversing that change, or by decreasing the rate at which the change is occurring. (Ex. thermoregulation) -...
BIOS 255 Anatomy and Physiology Comprehensive Exam with Verified Answers
What does a synergistic muscle do - ANS: also called fixators, act around a joint to help the action of an agonist muscle. (iliacus, psoas major, and rectus femoris) 
 
hamstring group - ANS: biceps femoris, semitendinosus, semimembranosus 
 
sodium-potassium ion - ANS: Neuron has a negative charge at rest. 
Slightly positive charge sodium ions on the outside. 
During the firing, sodium ions rush into the axon causing depolarization. 
Potassium ions rush out of the axon causing it to return to i...
- Exam (elaborations)
- • 7 pages •
What does a synergistic muscle do - ANS: also called fixators, act around a joint to help the action of an agonist muscle. (iliacus, psoas major, and rectus femoris) 
 
hamstring group - ANS: biceps femoris, semitendinosus, semimembranosus 
 
sodium-potassium ion - ANS: Neuron has a negative charge at rest. 
Slightly positive charge sodium ions on the outside. 
During the firing, sodium ions rush into the axon causing depolarization. 
Potassium ions rush out of the axon causing it to return to i...
BIOS 255 Anatomy and Physiology Exam 3 updated with Verified Answers
Describe the control of the dorsal respiratory group neurons on respiration - ANS: -Modifies the rate and depth of breathing 
-controls the basic rhythm of breathing by triggering inspiratory impulses 
-neurons send impulses to the motor nerves of diaphragm and external intercostal muscles 
 
Describe the processes of exhalation and inhalation during eupnea (and identify the muscles involved). - ANS: -inspiratory neurons fire for about 2 sec, expiratory neurons fire for about 3 sec 
-Normal quie...
- Exam (elaborations)
- • 9 pages •
Describe the control of the dorsal respiratory group neurons on respiration - ANS: -Modifies the rate and depth of breathing 
-controls the basic rhythm of breathing by triggering inspiratory impulses 
-neurons send impulses to the motor nerves of diaphragm and external intercostal muscles 
 
Describe the processes of exhalation and inhalation during eupnea (and identify the muscles involved). - ANS: -inspiratory neurons fire for about 2 sec, expiratory neurons fire for about 3 sec 
-Normal quie...
BIOS 255 Anatomy and Physiology Exam 2 Updated with Verified Answers
List and identify all the factors that are important in ensuring adequate venous return to the heart - ANS: -A strongly beating heart 
-An adequate arterial blood pressure 
-Valves in the veins 
-Pumping action of skeletal muscles as they contract 
-Changing pressures in the chest cavity caused by breathing 
 
Describe the functions of plasma proteins that remain in the blood with regards to capillary filtration - ANS: 
 
external jugular vein function - ANS: drains blood from the facial region...
- Exam (elaborations)
- • 10 pages •
List and identify all the factors that are important in ensuring adequate venous return to the heart - ANS: -A strongly beating heart 
-An adequate arterial blood pressure 
-Valves in the veins 
-Pumping action of skeletal muscles as they contract 
-Changing pressures in the chest cavity caused by breathing 
 
Describe the functions of plasma proteins that remain in the blood with regards to capillary filtration - ANS: 
 
external jugular vein function - ANS: drains blood from the facial region...
BIOS 255 Anatomy and Physiology Exam 1 updated 2024 with Verified Answers
Refractory period in the action potential of cardiac muscle cells. - ANS: -absolute refractory period of 250 ms 
-Prevents wave summation and tetanus which would stop the pumping action of the heart 
 
synovial fluid functions - ANS: -nourishes the articular cartilages 
-removes their wastes 
-makes movements at synovial joints almost friction-free 
 
pleural fluid function - ANS: -acts as a lubricant that enables the lungs to expand and contract with minimal friction 
 
pericardial fluid functi...
- Exam (elaborations)
- • 9 pages •
Refractory period in the action potential of cardiac muscle cells. - ANS: -absolute refractory period of 250 ms 
-Prevents wave summation and tetanus which would stop the pumping action of the heart 
 
synovial fluid functions - ANS: -nourishes the articular cartilages 
-removes their wastes 
-makes movements at synovial joints almost friction-free 
 
pleural fluid function - ANS: -acts as a lubricant that enables the lungs to expand and contract with minimal friction 
 
pericardial fluid functi...
BIOS 255 Anatomy and Physiology III Proficiency Exam Latest 2024 Review
does the right atrium have oxygenated or deoxygenated blood? - ANS: deoxygenated 
 
oxygen is carried by _____ cells. It binds to proteins called _____ that contain iron. - ANS: erythrocytes; hemoglobin 
 
which element is responsible for immune function, clotting, and gas transfer? (in this particular order) - ANS: leukocytes; platelets; erythrocytes 
 
what are the major functions of blood? - ANS: - plays a role in immune function 
- temperature regulation 
- pH regulation 
- gas/nutrients/ w...
- Exam (elaborations)
- • 5 pages •
does the right atrium have oxygenated or deoxygenated blood? - ANS: deoxygenated 
 
oxygen is carried by _____ cells. It binds to proteins called _____ that contain iron. - ANS: erythrocytes; hemoglobin 
 
which element is responsible for immune function, clotting, and gas transfer? (in this particular order) - ANS: leukocytes; platelets; erythrocytes 
 
what are the major functions of blood? - ANS: - plays a role in immune function 
- temperature regulation 
- pH regulation 
- gas/nutrients/ w...
NR 507 Advanced Pathophysiology Chamberlain College Midterm Exam Practice Questions with Verified Answers
Where does the antibody bind to the antigen in type 3 response? - ANS: in blood or body fluids and then circulates to tissue 
 
Where does the antibody bind to the antigen in type 1, 2, and 4? - ANS: on cell surface 
 
Primary effector cell in type 3 - ANS: neutrophils 
 
example of type 3 reaction - ANS: serum sickness 
 
type 4 hypersensitivity reaction - ANS: cell-mediated response 
 
primary mediators of type 4 - ANS: lymphocytes and macrophages 
 
type 4 mediated by - ANS: T lymphocytes and...
- Exam (elaborations)
- • 44 pages •
Where does the antibody bind to the antigen in type 3 response? - ANS: in blood or body fluids and then circulates to tissue 
 
Where does the antibody bind to the antigen in type 1, 2, and 4? - ANS: on cell surface 
 
Primary effector cell in type 3 - ANS: neutrophils 
 
example of type 3 reaction - ANS: serum sickness 
 
type 4 hypersensitivity reaction - ANS: cell-mediated response 
 
primary mediators of type 4 - ANS: lymphocytes and macrophages 
 
type 4 mediated by - ANS: T lymphocytes and...
Advanced Pathophysiology NR507/NR 507 Final Exam Preparation 250+ Questions with Verified Answers
The relay station in the brain that plays a major role in regulating micturition is: - ANS: Pontine micturition center. 
 
The location of the internal sphincter is under the urogenital diaphragm. - ANS: false (located in the bladder) 
 
When the bladder is empty, the detrusor muscle relaxes, and the internal and external sphincters constrict. - ANS: true 
 
The levator ani muscle plays a major role in constriction of the external sphincter. - ANS: true 
 
stress incontinence - ANS: leakage of u...
- Exam (elaborations)
- • 34 pages •
The relay station in the brain that plays a major role in regulating micturition is: - ANS: Pontine micturition center. 
 
The location of the internal sphincter is under the urogenital diaphragm. - ANS: false (located in the bladder) 
 
When the bladder is empty, the detrusor muscle relaxes, and the internal and external sphincters constrict. - ANS: true 
 
The levator ani muscle plays a major role in constriction of the external sphincter. - ANS: true 
 
stress incontinence - ANS: leakage of u...
Advanced Pathophysiology NR 507 Final Exam Questions with Verified Answers (Already Graded A)
Which of the following is true regarding a complicated urinary tract infection? - ANS: Can be caused by a structural urinary tract disorder 
 
Which of the following is a risk factor for the development of a urinary tract infection (UTI)? - ANS: Pregnancy 
 
A symptom of a lower urinary tract infection includes: - ANS: urgency 
 
Women are at a higher risk for the development of a UTI because of having a shorter urethra. - ANS: true 
 
Which of the following can help to prevent a UTI? - ANS: Inc...
- Exam (elaborations)
- • 16 pages •
Which of the following is true regarding a complicated urinary tract infection? - ANS: Can be caused by a structural urinary tract disorder 
 
Which of the following is a risk factor for the development of a urinary tract infection (UTI)? - ANS: Pregnancy 
 
A symptom of a lower urinary tract infection includes: - ANS: urgency 
 
Women are at a higher risk for the development of a UTI because of having a shorter urethra. - ANS: true 
 
Which of the following can help to prevent a UTI? - ANS: Inc...
Pharmacotherapeutics for Advanced Practice Nurse Prescribers 5th Edition Woo Robinson Test Bank / Pharmacotherapeutics for Advanced Practice Nurse Prescribers 5th Edition Woo Robinson Test Bank (ALL CHAPTERS, complete questions and answers)
Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz
PACO 501 - Pastoral Counseling Research Paper: A Select Issue In Pneumatology: The Works Of The Holy Spirit.
Property & Casualty Insurance License Test Updated 2022 > Pass the P&C Insurance Licensing Exam With Flying Colors.
Electrical Level 3 Module 1 Load Calculations and Branch Feeder Circuits Quiz