Physiology Questions

In comparison to inspiration to rest the rib cage moves up and out...

During inspiration the rib cage moves...

In comparison to inspiration to rest the depth of breathing...

In comparison to inspiration to rest the pressure inside the thoracic cavity decreases...

During inspiration the diaphragm and external intercostals...

In comparison to expiration at rest the pressure inside the thoracic cavity increases...

In comparison to expiration at rest the volume of thoracic cavity decreases...

In comparison to expiration at rest the amount of air forced out is...

During inspiration the pressure of air inside lungs...

During inspiration the volume of thoracic cavity...

Minute ventilation at sub-maximal exercise

The ATP-PCr System provides fuel for ________ seconds. It can sustain activities, such as _____________________________________________________________________. Then you start to slow down.

At rest our body uses _________________ for energy. _____________ provides little energy for cellular activity, but serves as a building block for our body tissue. During moderate to severe muscular effort, the body relies mostly on __________ for fuel.

1 MET represents a VO2 of approximately _________mL/min or ______mL/(kg*min)

The oxidative system yields much __________ (more/less) ATP than anaerobic systems.

What is the primary method of energy production during endurance events?

T/F: Both closed- and open-circuit spirometry use computerized instrumentation to measure HR, VO2, VCO2, watts & other variables.

How can RQ be used to determine the energy substrate being used at rest & during exercise?

__________ is considered the criterion measurement for cardiorespiratory fitness. _________________________________ is used to measure it.

T/F: Training can improve blood lactate threshold or OBLA.