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157 Cards in this Set

  • Front
  • Back
Define Physiology
science that deals with the functions of living organisms and their parts.
(greek) physis-nature, logos-study
6 levels of organization of the body
chemical, cellular, tissue, organ, system and organism.
4 major tissue types
epithelial, connective, muscle and nervous.
anatomical position
reference position of the body. in an erect or standing posture with arms at the side palms facing out
antebrachial
forearm
antecubital
depressed area in front of elbow
axillary
armpit (axilla)
brachial
upper arm
buccal
cheek
calcaneal
heal
carpal
wrist
cephalic
head
cervical
neck
coxal
hip
cranial
skull
crural
leg
cubital or olecranal
back of elbow
digital or phalangeal
fingers or toes
dorsal
back or top
facial
face
femoral
thigh
frontal
forehead
gluteal
buttocks
hallux
great toe
inguinal
groin
lumbar
loin or lower back btw ribs and pelvis
mammary
breast
manual
hand
mental
chin
nasal
nose
navel
umbilicus
occipital
base of skull
oral
mouth
orbital or opthamal
eyes
otic
ear
palmar or volar
palm of hand
patellar
anterior / front of knee
pedal
foot
perineal
area btw anus and genitals
plantar
sole of foot
pollex
thumb
popliteal
area behind the knee
pubic
pubis
crural
lower leg / calf
tarsal
ankle
temporal
temple / side of skull
thoracic
chest
9 abdominal regions
(R) hypochodriac, epigastric, (L) hypochondriac, (R) Lumbar, umbilical, (L) lumbar, (R) Inguinal, hypogastric, (L) inguinal
4 abdominopelvic quadrants
(R) upper, (R) lower, (L) upper, (L) lower.
toward the head
(i.e. the heart is _______ to the liver)
superior
towards the feet
(ie. The stomach is _______ to the lungs)
inferior
front also called ventral
(ie. the sternum is ______ to the heart)
anterior
back also called dorsal
(ie. the esophagus is ______ to the trachea)
posterior
toward the midline
(ie. the ulna is ______ to the radius)
medial
towards the side
(ie. the lungs are ______ to the heart)
lateral
nearest to the trunk or nearest the point of origin
(ie. the humerus is ______ to the radius)
proximal
away from or furthest from the trunk
(ie. the phalanges are ______ to the carpals)
distal
nearer the surface
(ie. the ribs are ______ to the lungs)
superficial
farther away from body surface
(ie. the ribs are ______ to the skin of the chest and back)
deep
Frontal plane
also called coronal plane cuts the body into anterior and posterior parts
Sigittal plane
divides the body into right and left parts
transverse plane
divides the body into upper and lower parts
homeostasis
The maintenance of relatively stable conditions. Balance
negative feedback system
Reverses a change in a controlled condition. Tend to regulate conditions in the body that are held fairly stable over long periods, such as BP, blood glucose level, and body temperature
positive feedback system
strengthens a change in a controlled condition. Tend to reinforce conditions that don't happen very often, such as childbirth, ovulation, and blood clotting.
What is located in the Right hypochondriac region
liver,gallblader
What is located in the Epigastric region
liver stomach
What is located in the left hypochondriac region
stomach,large intestine
What is located in the right lumbar region
large and small intestine
What is located in the Umbillical region
transverse colon,small intestine, gall bladder
What is located in the left lumbar region
small intestine,colon
What is located in the right inguinal
cecum,small intestine
What is located in the hypogastric (pubic) region
small intestine,bladder,appendix
What is located in the left inguinal region
colon,small intestine
Which cavity is Formed by crainal bones and contains brain
Crainal cavity
Which cavity is Formed by vertebral column and contains spinal cord and the beginings of spinal nerves
Vertebral canal
Which cavity contains Chest cavity; contains pleural and pericardial cavities and mediastinum
Thoracic cavity
Which cavity contains The serous membrane surrounding each lung
Pleural cavity
Which cavity contains The serous membrane that surrounds the heart
Pericardial cavity
Which cavity contains the Central portion of the thoracic cavity between the lungs; extends from the sternum to vertebral column and from neck to diaphragm; contains the herat, thymus, esophagus, trachea and several large blood vessels
mediastinum
Which cavity is Subdivided into abdominal and pelvic cavities
Abdominopelvic cavity
Which cavity Contains the stomach, spleen, liver, gallbladder, small intestine, and most of large intestine
Abdominal cavity
Which cavity contains the urinary bladder, portions of the large intestine, and internal organs of the reproductive system
pelvic cavity
What usually have a recognizable shape,are composed of two or more different types of tissues, and have specific functions
Organs
What is the smallest unit of matter
atoms
What are the basic structural and functional units of an organism
Cells
What are the three basic components that make up a feedback system
receptor, control center, and effector
What is an abnormality of structure and/or function
Disorder
What is a more specific term for an illness characterized by a recognizable set of symptoms and signs
Disease
What are subjective changes in body functions that are not apparent to an observer (ie headache or nausea)
symptoms
What are objective changes that a clinician can observe and measure
Signs
Which plane passes through midline of the body or organ and divides into equal right and left side
midsagittal plane
If the sagittal plane does not pass through the midline but instead divides into unequal right and left is called
parasagittal plane
Which plane passes through at an angle between transverse and frontal
oblique plane
Which system regulates body temperature; protects the body; eliminates some waste; helps in production of vitamin D; etects touch, pressure, pain, warmth, and cold
Integumentary system
Which system supports and protects the body, provides a specific area for muscle attachment, assist with movements, stores cells that produce blood cells and stores minerals and lipids
Skeletal system
Which system participates in bringing about body movements such as walking
muscular system
Which system regulates body activities through nerve impulses by detecting changes in the enviornment, interpret the changes, and respond to the changes by bringing about muscular contractions or glandular secretions
Nervous system
Which system regulates body activities through hormones transported by the blood to various target organs
Endocrine system
Which system does blood carry oxygen and nutrients to cells and carbon dioxide and wastes away from cells and helps regulate acidity, temperature, and water content of body fluids
Cardiovascular system
Which system returns proteins and fluid to blood; carries lipids from gastrointestinal tract to blood
lymphatic system
Which system transfers oxygen from inhaled air to blood
and carbon dioxide from blood to exhaled air
respiratory system
Which system controls the physical and chemical breakdown of food
Digestive system
Which system produces, stores and eliminates urine
Uriniary system
Which system produce gametes, and release hormones that regulate reproduction
Reproductive sysytem
How many major elements are in the body and what are they and this contitutes what %of the body's mass
4 major elements
Oxygen
Carbon
Hydrogen
Nitrogen
constitutes 96% of the body's mass
How many elements make up the "lesser elements", what are they and this contributes what % of the body's mass
8
calcium, phosphorus, potassium, sulfur, sodium, chlorine, magnesium and iron
makes up 3.8%
Trace elements makes up what % of the body's mass
0.2%
The forces that bind the atoms of molecules and compounds together, resisting their separation are
Chemical Bonds
What are the three general types of chemical bonds
Ionic bonds
covalent bonds
hydrogen bonds
Which chemical bond has force of attraction between ions of opposite charges
Ionic bond
Which chemical bond share one, two, or three pairs of their outer shell electrons
covalent bonds
Which chemical bond establishes important links between molecules, such as water molecules
Hydrogen bonds
What occurs when new bonds form and / or old bond breaks between atoms
chemical reaction
When two or more atoms, ions, or molecules combine to form new and larger molecules
ex: A + B = AB
synthesis reaction
Combining simple molecules like amino acids to form large molecules such as proteins is an example of what
anabolism
Large molecules are split into smaller molecules, ions, or atoms is what
ex: AB = A + B
decomposition reaction
The breakdown of large starch molecules into many small glucose molecules during digestion is an example of what
catabolism
The sum of all chemical reactions in the body is called
metabolism
AB + CD = AD + BC
is an example of what type of reaction
exchange reaction
consist of both synthesis reaction and decomposition reaction
AB = A + B when water is added and then
A + B = AB when heat is applied
is an example of what type of reaction
Reversible reaction
can go either direction under different conditions
What is always a measurement of hydrogen ions in a solution
PH
Which determines a solution's acidity or alkalinity
What is the midpoint of the PH scale and how is it refered to
7 is midpoint
refered to as neutral
When pH increases past 7 it becomes refered to as what
alkaline or basic
When pH decreases from 7 it becomes refered to as what
acidic
Any substance that has a pH of 1-6 is what and 8-14 is what
pH 1-6 = acidic
pH 8-14 = alkaline
pH 7 = neutral
Why does the pH of fluids inside and outside of cells remain almost constant
the presence of buffer sysytems
What are chemical compounds that act quickly to temporarily bind H+, removing the highly reactive, excess H+ from solution but not from the body.
Buffers
What is an example of a buffer system
Carbonic acid-bicarbonate buffer system.
H+ + HCO3- = H2CO3 removed excess H+
H2CO3 = H+ + HCO3- functions as a weak acid with a shortage of H+
What are the 3 main parts of a cell
Plasma membrane
Cytoplasm
Nucleus
What forms a cells flexible outer surface, separating the cell's internal environment from its external environment
Plasma membrane
What consists of all the cellular contents between the plasma membrane and the nucleus
Cytoplasm
What is the largest organelle of a cell
nucleus
What is the liquid portion of cytoplasm that consists mostly of water plus dissolved solutes and suspended particles
Cytosol
what acts as the control center for a cell
Nucleus
What is the basic framework of the plasma membrane
lipid bilayer
What are the 3 types of lipid molecules that make up the lipid bilayer
phospholipids (contain phosphorus)
cholesterol
glycolipids (attach to carbohydrates)
What is the reason the plasma membrane allows some substances to move into and out of the cell but restricts the passage of other substances
Selective permeability
What enable a cell to recognize other cells of its own kind during tissue formation, or to recognize and respond to potentially dangerous foreign cells
cell identity markers
ex: Membrane glycoproteins and glycolipids
What is a difference
in concentration between two different areas
Concentration Gradient
What recognizes and binds a specific molecule that governs some cellular function.
ex: hormone insulin
Receptors
What do integral proteins form through which specific ions, such as potassium ions
(K), can move into and out of cells
ion channels
What changes shape as they move a substance from one side of the membrane to the other
carriers (transporters)
What moves in one direction to open the pore and in another direction to close it
gated channels
Gated channels are important for the production of electrical signals by body cells.
Some substances that cannot
move through the lipid bilayer by simple diffusion do cross
the plasma membrane by a passive process called
facilitated diffusion
substances diffuse across a membrane through the lipid bilayer
SIMPLE DIFFUSION
is useful to treat patients who have cerebral edema, excess interstitial fluid in the brain.
hypertonic solutions
It has a higher concentration of solutes than does the cytosol inside red blood cells
given either orally or through an IV, can be used to treat people who are dehydrated.
hypotonic solution
a solution that has a lower concentration of solutes (higher concentration of water) than the cytosol inside the red blood cells
(membrane around the nucleus separates the nucleus
from the cytoplasm) and appears “rough” because its outer surface is studded with ribosomes
nuclear envelope
What controls the movement of substances between the nucleus and the cytoplasm.
Many openings that pierce the nuclear envelope.
nuclear pores
clusters of protein, DNA, and RNA are the sites of assembly
of ribosomes, which exit the nucleus through nuclear pores
and participate in protein synthesis in the cytoplasm.
nucleoli or nucleolus
What control cellular structure and direct most cellular activities
Genes
In a cell that is not dividing, the 46 chromosomes appear as a diffuse, granular mass, which is called
chromatin
The total genetic information
carried in a cell or organism is called
genome
a sperm cell has a long whiplike tail called _______ that it uses for locomotion.
(flagellum)
What maintain their normal shape in a isotonic solution; in a hypotonic solution, they gain water and undergo hemolysis; in a hypertonic solution, they lose water and undergo crenation.
Red blood cells
What is refered to how cells differ in size and shape.
CELLULAR DIVERSITY