chapter 1 review guide - introduction to anatomy and physiology
1. what is anatomy and physiology (definitions)?
2. what is homeostasis?
3. what are the levels of organization, from simplest to most complex?
4. what is differentiation?
5. what is the relationship between metabolism and energy?
6. what are the requirements for human life?
7. what happened to kati (the runner) and how was her condition diagnosed? what are vital signs?
8. what is a negative feedback loop? give an example.
what is a set point?
what are effectors?
explain the glucagon - insulin feedback loop.
9. what is a positive feedback loop? give an example.
10. describe the body cavities, what organs are found in each and be able to identify them on a diagram.
11. identify body regions by description and by image ( examples: cervical, orbital, pedal, etc)
12. know anatomical terminology. (prone, supine, medial, lateral, proximal, distal, dorsal, ventral, anterior, posterior, superficial, deep)
13. describe the membranes and their locations (parietal vs visceral)
15. describe the organ systems, their functions, and organs found in each (see concept map)
16. label body sections on a diagram (sagittal, transverse, coronal)
test is 50 multiple choice questions.
honors classes will have more challenging multiple choice questions and have additional free response questions

Question

chapter 1 review guide - introduction to anatomy and physiology
1. what is anatomy and physiology (definitions)?
2. what is homeostasis?
3. what are the levels of organization, from simplest to most complex?
4. what is differentiation?
5. what is the relationship between metabolism and energy?
6. what are the requirements for human life?
7. what happened to kati (the runner) and how was her condition diagnosed? what are vital signs?
8. what is a negative feedback loop? give an example.
   what is a set point?
   what are effectors?
   explain the glucagon - insulin feedback loop.
9. what is a positive feedback loop? give an example.
10. describe the body cavities, what organs are found in each and be able to identify them on a diagram.
11. identify body regions by description and by image ( examples: cervical, orbital, pedal, etc)
12. know anatomical terminology. (prone, supine, medial, lateral, proximal, distal, dorsal, ventral, anterior, posterior, superficial, deep)
13. describe the membranes and their locations (parietal vs visceral)
15. describe the organ systems, their functions, and organs found in each (see concept map)
16. label body sections on a diagram (sagittal, transverse, coronal)
test is 50 multiple choice questions.
honors classes will have more challenging multiple choice questions and have additional free response questions

Accepted Answer

To answer these questions, we'll address them one by one using the Answer-Explanation Format as they are conceptual questions related to Anatomy and Physiology (a subfield of Natural Science - Biology/Medicine and Health).

### Question 1: What is anatomy and physiology (definitions)?
# Brief Explanations:
Anatomy is the study of the structure of the body (its parts and their organization). Physiology is the study of the functions of these body parts (how they work and interact to sustain life).
# Answer:
Anatomy: Study of body structure (parts/organization).
Physiology: Study of body function (how parts work/interact).

### Question 2: What is homeostasis?
# Brief Explanations:
Homeostasis is the body’s ability to maintain a stable internal environment (e.g., stable temperature, pH, blood glucose) despite external changes, via regulatory mechanisms (like feedback loops).
# Answer:
Homeostasis: Body’s ability to maintain stable internal environment (e.g., temp, pH) despite external changes.

### Question 3: What are the levels of organization, from simplest to most complex?
# Brief Explanations:
The levels are: 1. Chemical (atoms, molecules), 2. Cellular (cells), 3. Tissue (groups of cells), 4. Organ (groups of tissues), 5. Organ System (groups of organs), 6. Organism (whole living being).
# Answer:
1. Chemical (atoms/molecules)
2. Cellular (cells)
3. Tissue (cell groups)
4. Organ (tissue groups)
5. Organ System (organ groups)
6. Organism (whole being)

### Question 4: What is differentiation?
# Brief Explanations:
Differentiation is the process by which unspecialized cells (e.g., stem cells) develop into specialized cells with distinct structures and functions (e.g., muscle cells, nerve cells).
# Answer:
Differentiation: Unspecialized cells (e.g., stem cells) become specialized (e.g., muscle/nerve cells) with unique structure/function.

### Question 5: What is the relationship between metabolism and energy?
# Brief Explanations:
Metabolism includes all chemical reactions in the body. Catabolic reactions break down molecules to release energy (e.g., glucose breakdown), while anabolic reactions use energy to build molecules (e.g., protein synthesis). So metabolism manages energy (capture, use, storage) for life processes.
# Answer:
Metabolism (all body chemical reactions) manages energy: Catabolism (breakdown) releases energy; Anabolism (build-up) uses energy.

### Question 6: What are the requirements for human life?
# Brief Explanations:
Human life requires: 1. Nutrients (for energy/building materials), 2. Oxygen (for cellular respiration), 3. Water (for chemical reactions, transport), 4. Normal body temperature (for enzyme function), 5. Atmospheric pressure (for gas exchange/fluid balance).
# Answer:
1. Nutrients (energy/building materials)
2. Oxygen (cellular respiration)
3. Water (reactions/transport)
4. Normal body temperature (enzyme function)
5. Atmospheric pressure (gas exchange/fluid balance)

### Question 7: What happened to Kati (the runner) and how was her condition diagnosed? What are vital signs?
# Brief Explanations:
(Assuming Kati’s case: Likely heat - related illness or dehydration. Diagnosis: Via symptoms (e.g., dizziness, nausea) and vital signs. Vital signs: Measurements of body’s basic functions - temperature, pulse (heart rate), respiration rate, blood pressure.)
Vital signs: Objective measures of basic body functions (temp, pulse, respiration, BP).
# Answer:
(Example Kati scenario: Heat illness/dehydration. Diagnosis: Symptoms + vital signs.
Vital signs: Temp, pulse (HR), respiration rate, blood pressure.)

### Question 8: What is a negative feedback loop? Give an example. What is a set point? What are effectors? Explain the glucagon - insulin feedback loop.
# Brief Explanations:
- Negative Feedback Loop: A system that reverses a change to return to set point (stabilizes). Example: Thermoregulation (if too hot, sweat; too cold, shiver).
- Set Point: Target value (e.g., normal body temp ~37°C, blood glucose ~90mg/dL).
- Effectors: Organs/tissues that carry out response (e.g., sweat glands, muscles in thermoregulation).
- Glucagon - Insulin Loop: Blood glucose too low → pancreas releases glucagon (raises glucose). Too high → pancreas releases insulin (lowers glucose). Negative feedback to maintain ~90mg/dL.
# Answer:
- Negative Feedback Loop: Reverses change to return to set point (stabilizes). Example: Thermoregulation (sweat/shiver).
- Set Point: Target value (e.g., 37°C, 90mg/dL glucose).
- Effectors: Organs/tissues executing response (e.g., sweat glands, muscles).
- Glucagon - Insulin Loop: Low glucose → glucagon (raises it); High glucose → insulin (lowers it). Negative feedback for glucose homeostasis.

### Question 9: What is a positive feedback loop? Give an example.
# Brief Explanations:
Positive Feedback Loop: Amplifies a change (moves away from set point, temporary). Example: Childbirth (oxytocin causes contractions, more oxytocin → stronger contractions until birth) or blood clotting (clotting factors activate more factors).
# Answer:
Positive Feedback Loop: Amplifies change (temporary, moves from set point). Example: Childbirth (oxytocin → contractions → more oxytocin) or blood clotting.

### Question 10: Describe the body cavities, what organs are found in each and be able to identify them on a diagram.
# Brief Explanations:
- Dorsal Cavity:
  - Cranial: Brain.
  - Spinal: Spinal cord.
- Ventral Cavity:
  - Thoracic: Heart, lungs (mediastinum has heart, trachea, esophagus).
  - Abdominopelvic:
    - Abdominal: Stomach, liver, intestines, kidneys.
    - Pelvic: Bladder, reproductive organs, rectum.
# Answer:
- Dorsal:
  - Cranial: Brain.
  - Spinal: Spinal cord.
- Ventral:
  - Thoracic: Heart, lungs (mediastinum: heart, trachea, esophagus).
  - Abdominopelvic:
    - Abdominal: Stomach, liver, intestines, kidneys.
    - Pelvic: Bladder, reproductive organs, rectum.

### Question 11: Identify body regions by description and by image (examples: cervical, orbital, pedal, etc)
# Brief Explanations:
- Cervical: Neck region.
- Orbital: Eye socket region.
- Pedal: Foot region.
- Other examples: Brachial (arm), Femoral (thigh), Abdominal (abdomen), etc.
# Answer:
- Cervical: Neck.
- Orbital: Eye socket.
- Pedal: Foot.

### Question 12: Know anatomical terminology. (prone, supine, medial, lateral, proximal, distal, dorsal, ventral, anterior, posterior, superficial, deep)
# Brief Explanations:
- Prone: Lying face - down.
- Supine: Lying face - up.
- Medial: Closer to midline.
- Lateral: Farther from midline.
- Proximal: Closer to point of attachment (e.g., elbow is proximal to wrist).
- Distal: Farther from point of attachment (e.g., wrist is distal to elbow).
- Dorsal: Back (posterior) or upper surface (e.g., dorsal fin).
- Ventral: Front (anterior) or lower surface (e.g., ventral side of belly).
- Anterior: Front.
- Posterior: Back.
- Superficial: Closer to body surface.
- Deep: Farther from body surface.
# Answer:
- Prone: Face - down.
- Supine: Face - up.
- Medial: Closer to midline.
- Lateral: Farther from midline.
- Proximal: Closer to attachment.
- Distal: Farther from attachment.
- Dorsal: Back/posterior.
- Ventral: Front/anterior.
- Anterior: Front.
- Posterior: Back.
- Superficial: Closer to surface.
- Deep: Farther from surface.

### Question 13: Describe the membranes and their locations (parietal vs visceral)
# Brief Explanations:
- Serous Membranes: Line body cavities/organ surfaces.
  - Parietal Layer: Lines cavity wall (e.g., parietal pleura lines thoracic cavity wall).
  - Visceral Layer: Covers organ (e.g., visceral pleura covers lung).
  - Fluid between them (serous fluid) reduces friction.
# Answer:
- Serous Membranes: Line cavities/cover organs.
  - Parietal: Lines cavity wall (e.g., parietal pleura - thoracic cavity).
  - Visceral: Covers organ (e.g., visceral pleura - lung).
  - Serous fluid: Reduces friction.

### Question 15: Describe the organ systems, their functions, and organs found in each (See concept map)
# Brief Explanations:
- Integumentary: Protects, regulates temp. Organs: Skin, hair, nails.
- Skeletal: Supports, protects, produces blood cells. Organs: Bones, cartilage.
- Muscular: Movement, heat. Organs: Skeletal, smooth, cardiac muscles.
- Nervous: Controls/coordinates. Organs: Brain, spinal cord, nerves.
- Endocrine: Regulates via hormones. Organs: Pituitary, thyroid, ovaries/testes.
- Cardiovascular: Transports blood. Organs: Heart, blood vessels.
- Lymphatic: Immunity, fluid balance. Organs: Lymph nodes, spleen, lymph vessels.
- Respiratory: Gas exchange. Organs: Lungs, trachea, bronchi.
- Digestive: Breaks down food. Organs: Stomach, intestines, liver.
- Urinary: Filters waste. Organs: Kidneys, bladder.
- Reproductive: Produces offspring. Organs: Ovaries/uterus (female), testes/penis (male).
# Answer:
- Integumentary: Protects, temp regulation. Organs: Skin, hair, nails.
- Skeletal: Support, protection, blood cells. Organs: Bones, cartilage.
- Muscular: Movement, heat. Organs: Skeletal, smooth, cardiac muscles.
- Nervous: Control/coordination. Organs: Brain, spinal cord, nerves.
- Endocrine: Hormonal regulation. Organs: Pituitary, thyroid, gonads.
- Cardiovascular: Blood transport. Organs: Heart, blood vessels.
- Lymphatic: Immunity, fluid balance. Organs: Lymph nodes, spleen, vessels.
- Respiratory: Gas exchange. Organs: Lungs, trachea, bronchi.
- Digestive: Food breakdown. Organs: Stomach, intestines, liver.
- Urinary: Waste filtration. Organs: Kidneys, bladder.
- Reproductive: Offspring production. Organs: Ovaries/uterus (female), testes/penis (male).

### Question 16: Label body sections on a diagram (sagittal, transverse, coronal)
# Brief Explanations:
- Sagittal: Divides body into left/right (mid - sagittal: equal left/right).
- Transverse (axial): Divides into top/bottom (superior/inferior).
- Coronal (frontal): Divides into front/back (anterior/posterior).
# Answer:
- Sagittal: Left/right division (mid - sagittal: equal).
- Transverse: Top/bottom (superior/inferior).
- Coronal: Front/back (anterior/posterior).

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Question 1: What is anatomy and physiology (definitions)?

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Question 2: What is homeostasis?