35 Questions
What is the equation for cardiac output (Q)?
Q = SV * HR
What is the formula for mean arterial pressure (MAP)?
MAP = (1/3) * SBP + (2/3) * DBP
What does the VD/VT ratio measure?
Gas exchange efficiency
What is the formula for alveolar ventilation (VA)?
VA = (VT - VD) * frequency
What is the equation for ejection fraction?
SV / EDV * 100
What is the formula for resistance?
Resistance = pressure / flow
What is the equation for critical power?
Critical power = VO2 * 5 * time
What is the equation for net efficiency?
Net efficiency = ((WR * 0.00234) / ((VO2,2 - VO2,1) * 5))
What is the formula for mechanical efficiency?
Mechanical efficiency = external work accomplished / energy expended * 100
What does a-vO2diff (arterial venous oxygen) measure?
Difference in oxygen content between arterial and venous blood
What is the formula for gross efficiency?
Gross efficiency = (WR * 0.00234) / ((VO2 * 5))
Which hormone is responsible for sodium and water retention in the kidneys?
Aldosterone
Which hormone is released to inhibit gluconeogenesis during exercise?
Insulin
Which hormone increases from exercise and leads to a desire for more fuel?
Glucagon
Which hormone is released from overtraining and lack of rest?
Cortisol
Which hormone is involved in metabolic rate?
Thyroid/parathyroid hormone
Which hormone is responsible for increasing muscle remodeling?
Growth hormone
Which hormone stimulates breakdown of fats in adipocytes?
Interleukin 6 (IL-6)
What happens to leptin levels during heavy intensity exercise?
Decrease
What effect does resistance training have on hormone response (IGF, GH)?
Decreases response noticeably
What is the inability to maintain a given exercise intensity known as?
Fatigue
What are the two main sites of fatigue?
Central and peripheral
What is the hormone responsible for increasing sensitivity to insulin?
Insulin-like growth factor (IGF)
What is the main cause of muscle fatigue?
Accumulation of lactic acid and H+ ions
What is the normal range for muscle pH?
6.9-9.5
What is the primary effect of H+ ions on enzyme activity?
H+ ions inhibit enzyme binding to substrates
What is the main cause of delayed-onset muscle soreness (DOMS)?
Inflammation and muscle damage
How does sodium bicarbonate help in fighting fatigue?
It acts as a buffer for H+ ions
What is the primary effect of caffeine on muscle fatigue?
Increase in fatty acid utilization
Which environmental factor influences evaporation for heat exchange in thermoregulation?
Humidity
What is the main factor determining the rate of heat exchange through radiation in thermoregulation?
Sunlight
Which temperature measurement is most accurate for assessing core body temperature?
Rectal temperature
What is the primary source of heat production in thermoregulation?
Metabolic reactions
What is the main role of wind in influencing heat exchange in thermoregulation?
Increasing convection
How does clothing material influence heat exchange in thermoregulation?
By affecting conduction
Test your knowledge of cardiovascular physiology equations with this quiz. Brush up on terms such as cardiac output, stroke volume, heart rate, resistance, pressure, flow, and more.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
