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A&p lecture i delgado - test #1 latest(2024) questions and answers 100% correct.
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A&p lecture i delgado - test #1 latest(2024) questions and answers 100% correct.
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A&P Lecture I Delgado - Test #1:
1. Anatomy: study of structure (size, shape, color, weight, location, composition)
2. Physiology: study of function (the contribution to the body)
3. Why are anatomy and physiology studied together?: The structure of a part
of the body often reflects its function.
4. Homeostasis: maintaining a stable internal environment within the body
5. Two sub disciplines of anatomy: Cell biology and histology
6. Two sub disciplines of physiology: exercise physiology and immunology
7. . List the six levels of structural organization:
1) Chemical Level (atoms & molecules)
ex. DNA (deoxyribonucleic acid)
2) Cellular Level ex.
muscle cells
3) Tissue Level ex.
connective tissue
4) Organ Level
ex. heart
5) System Level
ex. Digestive
System
6) Organism
Level ex. human
9. List the 11 organ systems of the body: 1. Integumentary
2. Reproductive
3. Urinary
4. Digestive
5. Endocrine
6. Lymphatic
7. Skeletal
8. Nervous
9. Muscular
10. Cardiovascular
11. Respiratory
, .
10. Which two organ systems serve as control centers in negative feedback
loops controlling homeostasis?: Cardiovascular System and Endocrine System
11. How is a person's homeostasis challenged throughout the day?: by either
-external environment i.e. heat
-internal environment i.e. skip breakfast - glucose level drops
12 List three components of a feedback loop: 1) receptor - monitors changes
2) control center - evaluates information received & generates commands
3) effector - produces a response
13. Negative feedback loops: reverses a change in a controlled condition or
negates original stimulus ex. Rise in blood pressure, heart rate increases or
room temp gets to hot, A/C kicks on
14. Positive feedback loop: enhance a change in one of the body's controlled
conditions ex. labor contractions during birth of baby or microphone detecting
voice
15. Disorder: any abnormality of structure or function
16. Disease: illness characterized by a recognizable set of signs and symptoms
17. Symptom: subjective changes in body functions that are not apparent to
an observerex. headache, nausea, dizziness
18. Sign: objective changes that is measurable and may not be obvious to patient
but detectable by a doctorex. fever, hypertension, elevated glucose level
19. Why do anatomy and physiology involve such a large collection of
terms?: allows us to communicate clearly and precisely
20. Describe standard anatomical position.: -facing observer
-standing upright
-legs slightly apart
-arms at side
-palms facing forward
21. Meaning of right and left in anatomy: when observing the body in
anatomical position, the left of the body is on the observer's right & vice versa
22. transverse plane: horizontal, separates top from bottom
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