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A&P - Ch 1 - Introduction to A&P
South Coast College - Lecture Notes
93
Court Reporting
Undergraduate 1
02/24/2012

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Term
Define the
Anatomical Position
Definition
The patient is standing erect, with the arms down at the sides, and the palms of the hands facing foward.
Term
Why is the body divided into imaginary line?
Definition
To describe the exact location when charting.
Term
Define "medial"
Definition
toward the midline
Term
Define "proximal"
Definition
nearest the point of attachment
Term
Define "distal"
Definition
farthest from the point of attachment
Term
Define "lateral"
Definition
away from the midline
Term
Define "anterior:"
Definition
toward the front
Term
Define "frontal"
Definition
toward the front
Term
Define "ventral"
Definition
toward the front or belly side
Term
Define "superior"
Definition
above the traverse plane
Term
Define "cranial"
Definition
toward the head (motion)
Term
Define "inferior"
Definition
below the traverse plane
Term
Define "caudal"
Definition
toward the tail or feet (motion)
Term
Define "posterior"
Definition
toward the back
Term
What does the Midline divide?
Definition
The left and right sides of the body
Term
What does the Traverse line divide?
Definition
The upper and lower halves of the body
Term
What does the Coronal line divide?
Definition
The anterior and posterior sides of the body.
Term
What do "medial" and "lateral" refer to?
Definition
The midline
Term
What is required when discussing "proximal" and "distal"?
Definition
A reference point, such as the elbow or shoulder
Term
What do "superior" and "inferior" refer to?
Definition
The traverse line
Term
What do "cranial" and "caudal" refer to?
Definition
The traverse line
Term
If referring to a stationary point in relation to the traverse line, which terms should be used?
Definition
Superior and Inferior
Term
If referring to movement with relation to the traverse line, which terms should be used?
Definition
Cranial and Caudal
Term
What do "ventral" and "dorsal" refer to?
Definition
The coronal line
Term
What do "anterior" and "posterior" refer to?
Definition
The coronal line
Term
What are the two main cavities of the body?
Definition
Anterior/Ventral and Posterior/Dorsal
Term
Where is the Anterior/Ventral Cavity?
Definition
toward the belly side of the body
Term
What does the Anterior/Ventral Cavity include?
Definition
The head, chest, and major abdominal organs
Term
Where is the Posterior/Dorsal Cavity?
Definition
toward the back
Term
What does the Posterior/Dorsal Cavity contain?
Definition
the brain and spinal cord.
Term
What is the Diaphragm?
Definition
A large, dome-shaped muscle that separates the Thoracic Cavity from the Abdominal/Pelvic Cavity.
Term
What are the four quadrants of the Abdomen?
Definition
Right Upper, Left Upper, Right Lower, Left Lower.
Term
When separating the quadrants and regions of the Abdomen, where is the Abdomen considered to begin?
Definition
At the bottom of the ribcage.
Term
Name the nine regions of the abdomen from right to left, starting at the top.
Definition
Right hypochondriac region, Epigastric Region, Left hypochondriac region, Right lumbar region, Umbilical region, Left lumbar region, Right iliac region, Hypogastric region, Left iliac region.
Term
Define "cell"
Definition
Basic structural and functional unit of the body (basic building block of the body)
Term
What do cells need to survive?
Definition
Oxygen and nutrients
Term
What do cells produce?
Definition
Heat and energy
Term
Define "nucleus"
Definition
Center of a cell, where DNA and genes are stored.
Term
What do mitochondria do?
Definition
Provide energy to the cell
Term
What do ribosomes do?
Definition
Help in protein synthesis/production.
Term
What does an endoplasmic reticulum do?
Definition
Helps with protein packaging.
Term
What are lysosomes?
Definition
Enzymes that help with digestion.
Term
Where are chromosomes located?
Definition
In the nucleus of the cell.
Term
What do chromosomes contain?
Definition
Hereditary information which is passed from one generation to the next.
Term
How many pairs of chromosomes are in each cell?
Definition
23 pairs
Term
How many pairs of choromosomes are identical?
Definition
22 pairs
Term
What is contained in the 23rd pair of chromosomes?
Definition
The gender.
Term
What is the gender of XY chromosomes?
Definition
Male.
Term
What is the gender of XX chromosomes?
Definition
Female.
Term
How many chromosomes are found in a sperm or an egg?
Definition
23 single chromosomes (not pairs)
Term
When a sperm and an egg fuse, how many single chromosomes are there?
Definition
46 chromosomes (23 pairs)
Term
What is cytoplasm?
Definition
Semi-solid fluid within the membrane where chemical reactions occur.
Term
What does the cell membrane do?
Definition
Separates the cell from the surrounding environment.
Term
What are the six ways molecules pass through cell membranes?
Definition
Diffusion, Osmosis, Filtration, Active Transport, Phagocytosis, Pinocytosis.
Term
What is Diffusion?
Definition
Gas, solids, or liquids are distributed evenly through a medium
Term
What is Osmosis?
Definition
Diffusion of water or another solvent through a selectively permiable membrane
Term
What is filtration?
Definition
Movement of solutes and water across a semi-permiable membrane.
Term
What makes filtration work?
Definition
Force, such as gravity or blood pressure.
Term
What is Active Transport?
Definition
Molecules move across a membrane from an area of low concentration to an area of high concentration.
Term
What makes Active Transport work?
Definition
Energy, not force.
Term
What is Phagocytosis?
Definition
When white blood cells become phagocytes and engulf bacteria, cell fragments, or damaged cells.
Term
What is Pinocytosis?
Definition
When cells engulf large molecules of liquid materials; cell drinking.
Term
What is not required for Osmosis?
Definition
Force.
Term
What is a cleft palate?
Definition
A structural defect which is present in the upper lip
Term
What is a cleft palate?
Definition
A structural defect which is present in the roof of the mouth
Term
What is the cause of a cleft palate or cleft lip?
Definition
The failure of the soft or boney tissues to unite during the 8th to 12th week of gestation.
Term
What is Down Syndrome?
Definition
A genetic syndrome caused by improper cell division.
Term
How often does Down Syndrome occur?
Definition
1 in every 1000 births, depending on the mother's age.
Term
What is the result of being born with an extra Chromosome 21?
Definition
Down Syndrome.
Term
Name the physical characteristics of Down Syndrome.
Definition
Slanting eyes, large tongue, pug nose, small head.
Term
What occurs in all cases of Down Syndrome?
Definition
Mental retardation and some degree of growth restriction
Term
What is a tissue?
Definition
Cells of the same type, grouped together for a common purpose.
Term
What are the four classifications of tissue?
Definition
Epithelial, Connective, Nerve, Muscle.
Term
What percentage of tissue are made up of water?
Definition
60% to 90%
Term
If there are two or more cells, what is formed?
Definition
Tissue.
Term
If there are two or more tissues, what is formed?
Definition
An organ.
Term
If there are two or more organs, what is formed?
Definition
An organ system.
Term
If there are two or more organ systems, what is formed?
Definition
A body.
Term
What function does Epithelial tissue have?
Definition
Forms the body's glands, covers the surface of the body, and lines body cavities.
Term
What function does Connective tissue have?
Definition
Connects tissues together to form the organs and body parts.
Term
What function does Muscle tissue have?
Definition
Contracts and moves parts of the body.
Term
What function does Nerve tissue have?
Definition
Generates and transmits electrochemical impulses in the body.
Term
Name the 10 body systems.
Definition
Integumentary, Muscular, Skeletal, Nervous, Endocrine, Circulatory, Respiratory, Digestive, Urinary, Reproductive.
Term
What is included in the Integumentary body system?
Definition
Skin, hair, and nails.
Term
What is included in the Muscular body system?
Definition
Muscles.
Term
What is included in the Skeletal body system?
Definition
Bones and joints.
Term
What is included in the Nervous body system?
Definition
Brain and spine.
Term
What is included in the Endocrine System?
Definition
The body's nine glands.
Term
What is included in the Circulatory body system?
Definition
Heart and blood vessels.
Term
What is included in the Respiratory body system?
Definition
Mouth, nose, and lungs.
Term
What is included in the Digestive body system?
Definition
Intestines.
Term
What is included in the Urinary body system?
Definition
Bladder, kidneys, ureters, urethra.
Term
What is included in the Reproductive body system?
Definition
Sex organs.
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