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BMS 302- Unit 3

QuestionAnswer
total lung capacity (equation) inspiratory reserve + tidal + expiratory reserve + residual
vital capacity (equation) inspiratory reserve + tidal + expiratory reserve
functional residual capacity (equation) reserve + expiratory reserve
inspiratory capacity (equation) inspiratory reserve + tidal
tidal volume air inhaled per breath
inspiratory reserve amt inspired beyond normal breathing
expiratory reserve max amt expired during normal breathing
residual volume amt air left after maximal expiratory effort
BTPS body temp ambient pressure saturated gas
hyperventilation results in no change in blood oxygen
Haldane-Priestly estimate pulmonary capillary levels of CO2; blood gases in eq
FECO2 number 0.03 to 0.05
FEO2 number 0.16 to 0.17
oxygen consumption measurements are converted to STPD
Haldane measurements FECO2, FEO2, VE
oxygen consumption total oxygen utilized per unit time
heat production total heat produced per unit time
metabolic rate (humans) kcal/m2*hr
metabolic rate (all species) volume/time or kcal/time
metabolic intensity volume O2/(time*kg) or kcal/time*kg
means of excitation for cardiac muscle pacemaker cells
SA node innervated by both autonomic systems
AV node innervated by both autonomic systems
atria innervated by both autonomic systems
ventricles innervated by sympathetic only
shallowest prepotential slope ventricles
intermediate prepotential slope atria
steepest prepotential slope sinus venosus
MAP= cardiac output x peripheral resistance (sys-dias)/+dias
CO= SV x HR
venoconstriction systolic
vasoconstriction diastolic
three mechanisms that get blood from heart to extremities skeletal muscle pump, thoracic pump, venoconstriction
what is the effect of venoconstriction on venous return increases
effect of venodilation on venous return decreases
three factors that alter peripheral resistance viscosity length diameter
does systolic pressure change with vasoconstriction systolic pressure increases
during moderate exercise, diastolic BP ___, systolic BP ___ decreases or remains same, increases
Created by: melaniebeale