Physiology Quiz 1

The increase in the size of a muscle fibre is called…
a. Hypoplasia
b. Hyperplasia
c. Hypertrophy
 c

A term that starts with Hypo- relates to….
a. A decrease
b. An increase
c. The removal
 a

A term that starts with Hyper- relates to….
a. a decrease
b. An increase
c. The removal
 b

Your maximal capacity to transport and utilize oxygen during exercise is called…
a. Anaerobic Threshold
b. Lactate Threshold
c. VO2max
 c

Which of these cannot be converted to energy?
a. Nitrogen
b. Lactic acid
c. Protein
 a

A fast-twitch fibre is described as…
a. Type I
b. Type II
c. Type III
 b

An isometric contraction requires….
a. Fast movement
b. Slow movement
c. No movement
 c

A concentric contraction involves the working muscle…
a. Shortening
b. Lengthening
c. Not moving
 a

An eccentric contraction involves the working muscle…
a. Shortening
b. Lengthening
c. Not moving
 b

Lactic acid builds up faster when primarily using…
a. Large amounts of oxygen
b. Larger muscles
c. Smaller muscles
 c

Exercising at altitude increases…
a. Red blood cells
b. White blood cells
c. Muscle mass
 a

Which of the following is primarily involved in fighting off infections?
a. Red blood cells
b. White blood cells
c. Blue blood cells
 b

The body’s cooling system works by …
a. Sweating
b. Sweating and drinking water
c. Sweating then evaporation
 c