FlashKeepers

Physiology · USMLE Step 1 · Healthcare and Nursing

USMLE Physiology Equations

Core physiology equations (cardiac output, Starling forces, clearance, Fick) as cloze cards with variable definitions on the back.

About this set

34 cloze cards for USMLE Step 1 Physiology. It opens with "Cardiac output (CO) is defined as ____" and "The Fick equation expresses cardiac output as ____". Study it alongside the other USMLE Step 1 sets below.

34 cards · cloze cards · AI-written, checked twice. Edit anything.

Study this set free Look inside first Get FlashKeepers for iPhone

Opens in your browser, no account. Get the iPhone and iPad app · Android app

Cardiac output (CO) is defined as ____
Show answerHR × SV
The Fick equation expresses cardiac output as ____
Show answerVO2 / (CaO2 - CvO2)
Mean arterial pressure (MAP) can be estimated using ____
Show answer(systolic + 2 × diastolic) / 3
Systemic vascular resistance (SVR) is calculated as ____
Show answer(MAP - CVP) / CO × 80
Pulmonary vascular resistance (PVR) is calculated as ____
Show answer(PAP - PCWP) / CO × 80
Poiseuille equation expresses flow rate as proportional to ____
Show answerdirectly proportional to r^4 and pressure gradient; inversely proportional to length and viscosity
Compliance (C) is defined as the change in volume divided by ____
Show answerdelta-V / delta-P
Elastance is ____
Show answer1 / C
The net filtration force across a capillary depends on ____
Show answercapillary hydrostatic pressure, interstitial hydrostatic pressure, capillary oncotic pressure, and interstitial oncotic pressure
The Starling equation for filtration rate is Qf = ____
Show answerKf × [(Pc + π_i) - (P_i + π_c)]
Glomerular filtration rate (GFR) measured by clearance equals ____
Show answer(U_substance × V) / P_substance
Effective renal plasma flow (eRPF) is calculated using the clearance of ____
Show answerPAH (para-aminohippuric acid) clearance
Renal blood flow (RBF) equals ____
Show answerRPF / (1 - hematocrit)
Filtration fraction (FF), normally about 20 percent, is calculated as ____
Show answerGFR / eRPF
The Nernst equation determines the equilibrium potential for an ion using ____
Show answer61 mV / z × log([out] / [in])

19 more cards in the app

Study this set free