1/124
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
How many total body cavities?
Which ones contained in ventral cavity?
Which ones contained in dorsal cavity?
7
thoracic, abdominal, pelvic
spinal, cranial
Directional terms
___: closer to point of attachment to body THAN another body part
___: away from point of attachment to body THAN another body part
___: away from midline
___ : toward midline
____: laying down facing up
____: laying down facing down
proximal
distal
lateral
medial
supine position
prone position
Body planes/sections
___ = uneven left and right
___ = even left and right
___ = top and bottom
___ = front and back
saggital
midsaggital
transverse
coronal/frontal
Body regions:
____: contains head
____: contains trunk + neck
____: contains arms
____: contains legs
head region
central region
upper limb region
lower limb region
Homeostasis: body maintains relatively constant environment within body
each cell is surrounded by a little bit of fluid that needs to remain within narrow range of conditions (properly called “_____”)
these 3 variables are?
which type of feedback is rare in health people?
variables
temp, volume, chemical content
positive feedback
CARDIOVASCULAR SYSTEM
Function?
Blood is only contained in ___ and ___; NEVER free flowing throughout body
____ circulation: when blood enters heart from vena cavas → eventually exits from pulmonary artery (and into lungs)
____ circulation: when blood enters heart from pulmonary veins → eventually exits from aorta (and to ur whole body)
plays a DIRECT*** role in supplying O2 to body via systemic circulation
heart
blood vessels
Cardiac cycle: starts with ___ + ends in ___
Since heart is muscular tissue, there are electrical signals that are detected with what machine?
Systole = when the chamber (____ specifically) contracts to push blood into ____
Diastole = when ___r relaxes and fills with blood
atrial contraction
ventricular contraction
EKG
ventricle
systemic circulation
any chamber
LABEL THE EKG
____: pressure expelled on arteries from blood
Normal BP range?
Heart rate (AKA pulse): ___ per ____
Normal heart rate: 60-100 bpm
what does a higher resting heart rate indicate?
blood pressure
120/80 mmhg
beats
minute
youre prob unhealthy/dont workout much
HOW IT WORKS
does blood passively or actively fill the left atrium?
the pressure causes atrial contraction and relaxation to force blood through ____ valve
blood flows into left ventricle > left ventricle contracts to expel blood via ___ artery
does blood passively or actively fill right atrium?
the pressure causes atrial contraction and relaxation to force blood through ____ valve
blood flows into right ventricle > right ventricle contracts to expel blood via ____
passively
tricuspid valve
pulmonary
passively
biscuspid
aorta
Composition of centrifuged blood sample:
at top =
in middle =
at bottom
plasma
buffy coat (thin layer of WBC + platelets)
RBC
blood cells size from smallest to largest?
what is the main protein in blood?
____ = found on blood cell surface
____ = proteins in plasma that alert immune system
platelet, RBC, WBC
albumin
antigens
antibodies
3 steps of Hemostasis?
vascular spasm, platelet plug formation, clot formation
HEMOSTASIS
vascular spasm: constriction of ____
platelet plug formation: temporary seal via ____
clot formation: ____ functions as glue around the plug > then ____ remain trapped at the site to facilitate wound healing
small blood vessels
platelet aggregation
fibrin mesh
RBC and platelets
BLOOD TYPE A
who can they donate to?
who can they accept from?
A, AB
A, O
BLOOD TYPE B
who can they donate to?
who can they accept from?
B, AB
B, O
BLOOD TYPE AB
who can they donate to?
who can they accept from?
AB
everyone
BLOOD TYPE O
who can they donate to?
who can they accept from?
everyone
blood type O (the RH factor has to match too)
___: where substance and gas exchange occurs bxn blood and capillaries
is blood flow fast or slow here?
capillaries
slow
RESPIRATORY SYSTEM
Function?
Resp system also works with which other system (for blood pH + blood gas levels)
plays INDIRECT role in supplying O2 to body cells bc solely facilitates gas exchange
nervous system
RESP TRACT
___: passage for air and food
____: pushes air into trachea + pushes food past epiglottis into esophagus
is this located above or below the pharynx?
____: secreted from epithelial cells of nose prevent shit from entering resp.tract
____: secreted from pleura (covering lungs)
function of this fluid?
____: secreted from type 2 pneumocytes of alveoli
function of this fluid?
pharynx
larynx
below
mucous
serous fluid
prevent friction of lungs against other organs
surfactant
prevent friction to prevent lung collapse
Upper resp tract =
Lower resp tract =
nose, mouth, pharynx, larynx
trachea, bronchi, lungs
Air conducting region includes?
Gas exchange region includes?
Ventilation: gas exchange in/out of which organ?
nose, mouth, pharynx, larynx, trachea, bronchi, bronchioles
lungs, capillaries, alveoli
lungs
is right or left lung bigger?
right lung has how many lobes?
where it is located?
left lung has how many lobes?
where it is located?
right
3
under ribcage and NOT NEAR heart
2
under ribcage and NEAR heart (think of doing pledge of allegiance and where ur heart is located)
____: 2-layers that cover lungs for cushioning + prevent friction
located at the base of lungs, what is the main muscle for inspiration?
Diaphragm movement during inspiration?
Diaphragm movement during inspiration?
What structure do capillaries surround for gas exchange @ lungs?
pleura
diaphram
contracts and moves down
relaxes and moves up (returns to its dome-shape)
alveoli
External respiration: occurs bxn what?
O2 diffuses from alveoli to blood > enters left side of heart > later enters systemic circulation
Internal respiration: occurs bxn what? and tissues
O2 diffuses from tissues to blood > enters tissue cells
lungs and blood
blood and tissues
Does CO2 or O2 need to be monitored for blood gas and blood pH homeostasis?
CO2
____ salivary glands located @ in front of ur ears
parotid
2 main organs of female repro.system?
____: stage where basic human body (w/organ systems, basic structures, etc) have developed
____: period of conception → birth
___: period of around birth —> after birth
Route of nourishment from mother to fetus?
cervix and uterus
embryogenesis
gestation
natal period
uterus > placenta > umbilical cord
2 main organs of male repro.system?
Sperm route?
penis and testes
testes > epididymis > vas deferens > seminal vesicle > prostate > urethra
URINARY SYSTEM
kidney main function?
How many liters of blood goes throguh kidneys everyday?
Nephron is composed of what 2 main parts?
regulate blood-water
180L
renal corpuscle + renal tubule
BLOOD enters kidney via ____ → leaves kidney via ____
Bladder has how many openings?
Primary site for tubular reabsorption is?
Primary site for tubular secretion is?
Where is urine concentrated?
renal artery
renal vein
3
PCT
DCT
collecting duct
Proximal convoluted tube
what is reabsorbed?
what is secreted?
Loop of henle
what is reabsorbed?
what is secreted?
Distal convoluted tube
what is reabsorbed?
what is secreted?
Collecting duct
what is reabsorbed?
what is secreted?
ALL glucose and proteins + MOST salt and water
creatinine, drugs, H+, ammonia
SOME water
nothing
SOME salts
H+, K+, salts
SOME water
ignore
If you pee concentrated urine, is ADH present or absent?
If you pee normal, diluted urine, is ADH present or absent?
ADH present
ADH absent
Is MICROscopic or MACROscopic urine analysis used to: determine urine color and uses dipstick to determine diff solute concentrations in urine sample
Is MICROscopic or MACROscopic urine analysis used to: determine RBC and fat cell count in urine; via centrifuging
macroscopic
microscopic
NERVOUS SYSTEM
main function: control body via 3 main things…
sensory (using PNS)
integration (using CNS)
motor (CNS coordinates body’s reaction to stimulus)
yes
Nervous system: PNS
PNS breakdown into what 2 branches?
Autonomic branch breakdown into what 2 branches?
which branch is fight or flight?
which branch is rest and relax?
somatic (voluntary) and autonomic (involuntary)
sympathetic and parasympathetic
sympathetic
parasympathetic
____: protects brain from physical shock + also removes neural tissue waste to keep itself clean
cerebral spinal fluid (CSF)
3 main brain regions are?
4 brain lobes are?
cerebrum, cerebellum, brain stem
frontal lobe, parietal lobe, temporal lobe, occipital lobe
BRAIN LOBES GO:
for higher executive function, reasoning, planning, emotional regulation, voluntary movement, producing speech
INTEGRATION of visual info in terms of spatial awareness/navigation
INTEGRATION of sensory info (touch, pain, pressure)
language comprehension and memories
INTERPRETS visual stimuli (this is the primary lobe for visual stuff)
frontal lobe
parietal lobe
parietal lobe
temporal lobe
occipital lobe
NERVOUS SYSTEM
____: functional unit of brain
____: contains nucleus
____: structure that receive signals from other neurons
___: structure that transmit signals to other neurons
Myelin sheath and Nodes of Ranvier are beneficial how?
neuron
soma
dendrites
axons and axon terminals
for fast signal conduction
____: cells of nervous system that protect/support neurons
do these cells transmit signals?
neuroglia in CNS?
neuroglia in PNS?
which neuroglial cells produce myelin sheath?
neuroglia
no
microglia, ependymal cells, astrocytes, oligodendrocytes
schwann cells, sattelite cells
schwann cells
what nervous system disorder is due to demyelination, causing slow signal transmission?
multiple sclerosis
white matter VS grey matter GO:
for transmitting info
for processing info
is what cerebral cortex is composed of
does white matter surround grey matter or grey matter surrounds white matter?
white matter
grey matter
grey matter
white matter surrounds grey matter
LIMBIC SYSTEM (has 4 parts) GO:
for homeostasis via using hormones in partner with pituitary gland
hunger
response to pain
for memory
“aggression center”
produces feelings like anger, violence, fear, anxiety (BASICALLY the whole inside out crew EXCEPT for joy)
sensory relay center (for all senses EXCEPT smell) to be processed before sent to cerebral cortex for interpretation
hypothalamus
hypothalamus
hypothalamus
hippocampus
amygdala
amygdala
thalamus
thalamus processes all senses except for?
if hippocampus is destroyed, what happens?
smell
we cant form new memories but long term memories still retained
NEURON ACTION POTENTIAL PROCESS
Resting potential of neuron is ___ inside and ____ outside (due to Na+ and K+ being outside)
During an action potential, the charges ____ (so inside now positive and outside now negative) → this reversed charge travels down axon
___ binds to Synaptic vesicles (carrying neurotransmitters) → causes synaptic vesicle to contract and move to ____
Neurotransmitters released via exocytosis and into ____
Neurotransmitter binds to ___ of target cell (either muscle, gland, or dendrite of another neuron)
Axon to ___ = action potential continues traveling through this neuron
Axon to ___ = causes muscle contraction
Axon to ___ = causes hormone release
negative
positive
reversed
Calcium
presynaptic membrane
synaptic cleft
postsynaptic membrane
dendrite
muscle
gland
____: ability for brain to form neural connections to adapt to changes/new stimulants
how does this change as we age?
neuroplasticity
decreases
ENDOCRINE SYSTEM
main function: ____ via working with nervous system
Hormones are sent to EVERY body tissue but only CERTAIN target tissues respond to them
are hormones secreted in large or small amounts?
Uses chemical signals (called ____) which travel to target location to bind to receptor site on receptor protein
maintain homeostasis
small
ligands
Hormones can be transmitted by either:
INTRAcellular: ____
INTERcellular: ____
within same cell
cell to cell
INTERcellular hormone signaling types:
____: released into environment
____: hormone secreted from neuron to aid in nervous system related stuff
____: WITHIN SAME ORGAN but hormones affects same cell type
____: WITHIN SAME ORGAN but hormone affects another nearby cell type
pheromones
neurotransmitters and neuromodulators
autocrine
paracrine
Label what type of hormone transmission type these situations are:
ex: prostaglandin release from tissue as inflammatory response
ex: insulin and somatostatin in pancreas
autocrine
paracrine
2 types of receptors used for hormone signaling:
___: located within nucleus or cytoplasm
are these receptors for protein-based or lipid-based hormones?
____: located on membrane
are these receptors for protein-based or lipid-based hormones?
intracellular receptor
lipid based
membrane bound receptor
protein based
Types of membrane bound receptors:
___: for hormones
Ex: glycogen breakdown to provide energy for muscle contraction
___: for ions; affects cell permeability
Ex: adrenaline/ACTh
___: for enzymes; inhibits or permits enzyme production
G-protein receptor
Ion channel receptor
Enzyme linked receptor
Are membrane bound receptors or intracellular receptors faster?
membrane bound receptors
Cascade effect: chemical signal molecules rapidly activate many specific ____
enzymes
3 regulations of hormone secretion:
___(aka humoral stimulation)
___
___ (aka tropic hormones)
blood
neural
hormones
Does Endocrine system use DUCTS or DUCTLESS glands?
whats a benefit of this type of gland?
ductless
bc it allows faster delivery
IMMUNE SYSTEM
Main function: immunity against pathogens
which organ stops being active after puberty?
thymus
the appendix is a organ belonging to which body system?
lymphatic
what type of antibody functions as the Bcell receptor?
After plasma cells (differentiated from Bcells) release antibodies, these antibodies can go 2 diff ways =
igD
attach onto pathogen or released into flowing bloodstream
____ “sound the alarm” when body is invaded —>____ activate cytotoxic Tcell and Bcells
____ are able to kill infected host cell (by recognizing a speck of a pathogen on the infected cell’s membrane)
___ “tag” invaders by secreting antibodies > then the invader is attacked by ___ (whereas cytotoxic Tcell kills infected host cell)
macrophages
helper Tcells
cytotoxic tcells
Bcells
macrophage
All of these diseases are examples of…?
Lupus (affects connective tissue, joints, kidneys)
Type 1 diabetes (affects insulin producing cells @ pancreas).
Graves' disease (affects thyroid)
Rheumatoid arthritis (affects joints)
autoimmune disease
____: when immune system works too well in response to allergen = therefore creates dramatic response
allergies
Mast cells:
attached to what type of cell?
they recognize matching antibodies (meaning pathogen has been “tagged” before) > they initiate inflammation response via releasing ____ (causing swelling + increased mucous production)
HIV/AIDS destroys what type of immune cells?
as a result, this DESTROYS immune system
HIV/AIDS common transmission is via sexual intercourse bc what type of immune cells are located in the semen/bodily fluid?
WBC
histamine
helper Tcells and macrophages
macrophages
Skeletal system composed of what 3 things?
how many bones do adults have?
Axial skeleton consists of?
Axial skeleton consists of?
bones, ligament, cartilage
206
skull, vertebral column, sternum, ribs
appendages + pelvic girdle
how many bones for upper extremities?
how many bones for lower extremities?
how many bones for pectoral girdle
how many bones for pelvic girdle
how many bones for sternum and ribs
how many total bones for vertebral column?
Cervical =
Thoracic =
Lumbar =
Pelvic =
60
60
4
2
25
26
7
12
5
2
3 bone layers from inner to outer?
Compact bone: contains units called “___” = which contain living bone cells called “___”and mineral matrix
What structures inside osteons hold bones’ blood vessels + nerves?
osteons
osteocytes
haversian canal
BONE SHAPES
Long bones function?
Short bones
do these have a lot or minimal movement?
Flat bone function?
Sesamoid bone
irregular bone
Long bone anatomy:
___: covers epiphysis
____: where bone growth occurs
made of mostly SPONGY bone and a little compact bone
___: “shell of bone”; the length of the long bone
made of COMPACT bone
Medullary cavity:
contains red bone marrow (for _____)
yellow bone marrow (composed of ___ cells)
articulate epiphysis
epiphysis
diaphysis
hematopoiesis
fat cells
which of the 5 bone types’ composition is mainly spongy bone surrounded by less compact bone?
long bone
____: cartilage turns into bone via osteo____
when does this first occur?
this process starts at ___ of bones
____: process of bone being broken down via osteo____
bone is constantly being broken down via bone resorption (= frees minerals from bone to enter circulation for body to use + clears out old bone tissue → replaces with new mineral deposits)
____: process of BOTH bone breakdown + bone formation
ossification
osteoblasts
during embryonic development
center
bone resporption
osteoclasts
bone remodeling
____ (@ end of long bone) ossifies for a person to grow taller
growth plate
3 types bone cells:
Osteocyte: produces bone’s ____
____(@ surface of bone; aka bone FORMING cells): differentiates into bone cells (osteocytes)
____: (@ surface of bone; aka bone-REFORMING cells): dissolves bone
extracellular matrix
osteoblasts
osteoclasts
what gives skeletal muscles its striated appearance?
Despite the differences between cardiac VS skeletal VS smooth muscle, they all have what 4 things in common?
which of these things is the ability to respond to electric impulse?
which of these things is the ability to contract?
which of these things is the ability to stretch?
which of these things is the ability to return to OG shape after stretching?
myosin
excitability, contractibility, extensibility, elasticity
excitability
contractibility
extensibility
elasticity
skeletal muscle
uni or multinucleated?
shape?
cardiac muscle
uni or multinucleated?
shape?
smooth muscle
uni or multinucleated?
shape?
multi
elongated
uni
branched shape
uni
spindle shape
Excitability of skeletal muscle is via ____
Excitability of smooth muscle and cardiac muscle is via _____ and ____
nervous system
nervous system and hormones
label the muscle fiber (zline, Aline, Mline, Hzone, a actin myosin etc)
INSERT PIC
Muscle needs to be attached to ____ in order to move that body part
Muscles are composed of which of the 4 main types of tissue?
Single Muscle fiber encased in ___ > bundled muscle fibers encased in ___ > bundled fascicles encased in ___ > strong CT called ___ holds everything together
____ also protects muscles as they rub against bones
bone
connective tissue
endomysium
fascicle
perimysium
epimysium
epimysium
MUSCLE FIBERS
____: acts as cell membrane for muscle fiber
____: acts as cytoplasm for muscle fiber
____: contains CALCIUM which plays major role in whether muscle contracts or not
Structure of muscle fiber from innermost to outermost:
____ (smallest contractile unit within myofibril)
___ (multiple of this makes up 1 myofibril)
____ (made of multiple sarcomeres to function as contractile unit)
sarcolemma
sarcoplasm
sarcoplasmic reticulum
sarcomere
myofilament
myofibril
SARCOMERE STRUCTURE
2 myofilament types are?
____ connect to Z-lines, wheres _____ doesnt connect to Z-lines
____ where one sarcomere ends and another sarcomere begins
____ is found at middle of I-band
____ is found at middle of A-band
____ is center of H-zone
thin actin band and thick myosin band
thin actin band
I band
A band
H zone
M line
LABEL SARCOMERE INSERT PIC
Muscle contraction is explained via slide filament theory: ____ filament (moves) slides past ____ filament (doesnt move) which pulls actin filaments closer to
___ -line
^^^these sliding interactions happen bc of _____: myosin heads uses ATP to attach to actin filaments > pulling actin filament closer to M-line.
this cross bridge can only be repeated once another cATP attaches to myosin head
actin
myosin
M-line
crossbridges
what do ligaments attach?
what does tendon attach?
the location of where these 2 bones meet is called a JOINT
3 joint types:
____: cant move
example?
____: moves partially
example?
____: moves freely
example?
fibrous
cartilaginous
synovial
6 types of synovial joints?
examples of synovial joints GO:
hip + femur
shoulder + humerus
ulna + radius (think: when flipping palm up and down)
inbetween finger carpals
knee
elbow
wrists
ankles
base of fingers
ball and socket, pivot, gliding/plane, condyloid, hinge, saddle
ball and socket
ball and socket
pivot
condyloid
hinge
hinge
gliding/plane
gliding/plane
saddle joint
Muscles have to work in PAIRS to allow movements at the joint
flexor muscle (___ to cause bending) + extension muscle (___ to cause straightening)
flexor
relaxes
3 regions of skin:
which is the most superficial?
which is made of tough connective tissue?
which is made of mainly adipose tissue?
EPIDERMIS features….
keratinocytes functions?
melanocytes function?
langerhans cells function?
Merkel cells function?
waterproof ability + protection
pigment
immune system
sensory
EPIDERMIS LAYERS
List the 4-5 stratums of epidermis from most superficial to deepest?
soles and palms have the 5th layer, which is called?
Which layer is “youngest” bc it's where constant mitosis is happening go to make new cells?
which layer of skin contains nerves and blood vessels, which are responsible for sensation?
which later of skin contains hair follicles and sweat glands?
As they reach the superficial surface, epidermal cells fill with keratin and then die —> the dead keratin forms which layer?
stratum corneum > lucidum > granulosum > spinosum > basale
stratum lucidum
stratum basale
dermis
dermis
stratum corneum
dermis
dermis has 2 layers:
a. top layer =
b. bottom layer =
eccrine VS apocrine VS sebaceous gland identification GO:
@ armpit and pelvic area
produce watery-fatty fluid in response to stress
active since birth
only active after puberty
connected to hair follicle
release sebum to waterproof skin
@ all over body but mainly forehead, neck, palms/soles
NOT connected to hair follicle
produce sweat to cool down body temp
@ everywhere except palms/soles
apocrine
apocrine
eccrine
apocrine and sebaceous
sebaceous
eccrine
eccrine
eccrine
sebaceous
which layer of the skin is responsible for elasticity (which decreases with aging)
which layer of the skin provides energy for cells + insulation?
dermis
hypodermis (aka subcutaneous layer)
NAIL STRUCTURE
___= ur whole nail hard shell part
___= the overhang that we trim/file
___= skin layer underneath nail plate
___=white half moon
___= accumulated dead skin cells; anchors nail plate
___= nerves and blood vessels underneath the cuticle
nail plate
free edge
nail bed
lunula
cuticle
matrix
Hair main function?
hair originates which from skin layer?
Parts of hair:
____: what's visible above epidermis; not attached to follicle
____: attached to hair follicle; located at dermis
____: contains actively dividing BASAL cells; located at dermis
insulation
dermis
hair shaft
hair root
hair bulb
Most tumors are harmless but can be bad when they ____ (= moved away from OG site and establish new tumors in other organs)
mestastisize
which UV rays cause skin cancer?
3 types of skin cancer:
___: most common + rarely metastasizes
which layer does this originate?
____: second most common + more aggressive + can metastasize
which layer does this originate?
____: most fatal; uncontrollable overgrowth of melanocytes + can metastasize
which layer does this originate?
UVA and UVB
basal cell carcinoma
stratum basale
squamous cell carcinoma
stratum spinosum
malignant melanoma
stratum basale
4 components of experimental design:
____: this value can be manipulated; DOESNT depend on what happens in experiment
____: this value CANT be manipulated bc its the observed result'; desirable “outcome” of experiment
____: group that doesnt receive treatment; gives us a “baseline” to compare the results to
____: receives treatment
independent
dependent
control group
experimental group