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Anatomy Examm


What system in the brain is involved in emotion ? Limbic=emotions, surrounds the deincephalon
What surrounds the axon in the CNS and allows to insulated and speed up the signal? myolin shealth called in CNS= Oligodendrocyte
How do you determine cardic output? Storoke volume x BPM= C.O
What happens on the two sides of the capillaries (arterial & venule sides), How does fliud get in and out? fluid getting in and out of blood depends on concentration of substance) * blood pressure- out of arterial into the tissue *osmotic pressure-in back through venules Lymphatic system picks up extra fluid
what is universal blood donor type? Recipient? O-,AB+
What percentage of blood is plasma? RBC-WBC=? 55%,45%
What are the vessels that supply the neck and head with blood? Drains neck & head? Carotid, Jugular
whats the divisions below the aorta and inferior vena cava into hip & legs both supply & drainage? Iliac
What are two types of cells in the alveoi? 1. alveolar cell- allows gas exchange next to capillaries cell 2. Surfactin
Where does the actual respiration start? respiratory bronchals- gas exchange begins (ventilation vs respiration-gets air)
Basic functional unit in a muscle cell? Sacromere
Two types of PROTEINS that make uo the sarcomere? Protein strand * Actin- needs CA+ to allow to shift shape to pull myosin across * Myosin- needs ATP to be able to pull head across
What causes muscle cell to release all of CA+ to contract? Acetolcoline (neurotransmitter)
Where do you see smooth muscle in body? Intestines, arteries (CV,Digestive, Urinary)
Action Potential -55
Resting Potential -70
Depolarization Na+ rushes in
Re polarization K+ out
Na+K+ pump Resting requires ATP
ATP starts Hillock know to send signal
Dendrite Receives signal for another neuron
Excitatory (EPSP) or Inhibitory (IPSP) post synaptic potential
Na+ goes in (inhibit or excite) neurotransmitters
ACH Skeletal muscle, movement
GABA Goes into brain, inhibitory
Adrenalin adrenal
Na+ causes release of increase neurotransmitters and that will incite or inhibit the next neuron
Brain cerebrum: lobes( frontal, parietal, temp-olfaction(auditory)
Frontal lobe prefrontal area- personality, cognition, decision-making
Parietal lobe Somatosensory and association areas: interpreting touch, temp, pain, sensations (skin)
Temporal lobe long term memory formation, auditory, word identification/comprehension, Interpreting/ remembering smells, emotions
Occipital lobe Vision and association areas
Insula lobe language,balance
Diencephalon- Thalamus: Two large oval masses integrates, filters and prioritizes all formation goin to cerebral cortex
Diencephalon-Hypothalamus: Controls autonomic nervous system Controls physical response to emotions Regulation of body temp Regulation of hunger/satiety and thirst Regulation of sexual behavior Help regulate sleep/wake cycles Controls secretion from pituitary gland
Diencephalon-Brain Stem: Medulla-Vital, heart& lungs Pons -relaxtion, connection for cerebellum(muscle signals) -all muscle signals from cerbrum & diencepholn have to go thru cerebrum to coordinate muscle action
Periephral Nervous System Sympathetic : highly alert, "fight or flight" beta brain waves
Periephral Nervous System Parasympathetic: Inhibitory, most of time we spend life in this mode, visceral active, digestion, urinary activity, muscles are relaxed
Cardiovascular R-Wave: main activity, ventricle contracting ventricular depolarization
P-Wave: atrial depolarization
T-Wave: Ventricular re polarization
SA Nodes: In atria
AV Nodes: Atria ventricular
AV bundle: Down middle of HEART
Purkinji Fibers: cause ventricles to contract
Hepatic Portal System: Blood flow through messentaries goes to liver first to detoxify the process of the substances .
H.P.V: delevers to liver, drain into inferior vena cava directly to HEART
Boyles Law: Air in lungs- inverse
Inspiration: Pressure decrease, Volume increase (chest expand)
Expiration: Pressure increase, Volume decrease (diaphram relax)
P.V.= PCO2,PO2 (Partial Pressure)
Aveoli->Blood->Cells: Depends on increase(PCO2, PO2)
Obstructive Disease: Block airway. ex asthma, bronchitis
Restrictive Disease: Respiratory & alveoli not able to work
All together: Called chronic obstructive pul. disease
How the cell can determine if its a part of your body or someone else? Protein Carbohydrate Marker
Epithelial Tissue:Squamous: Flat, irregular cells
Epithelial Tissue:Cuboidal: cube-shaped cells
Epithelial Tissue:Columnar: Tall, rectangular cells
Created by: abbywells10



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