Muscles respond to the overload of exercise by gaining ____.
a. strength and fat
b. size and oxygen
c. strength and endurance
d. glucose and carbon dioxide
e. flexibility and glycogen
Q. 2When a person stops using a muscle for a period of time due to injury, illness, or neglect, the muscle will ____.
a. hypertrophy
b. atrophy
c. intensify
d. overload
e. elasticize
Q. 3The overall improvement of the cardiovascular system is known as ____.
a. O2 consumption
b. cardiovascular conditioning
c. circulatory improvement
d. vital capacity
e. stroke volume
Q. 4The endurance of a muscle is most accurately reflected in the ____.
a. size of the muscle
b. muscle's ability to work against resistance
c. muscle's response time to a stimulus
d. muscle's contractibility and elasticity
e. muscle's performance for long periods
Q. 5The length of time that you can keep going with an elevated heart ratethat is, how long your heart can endure a given demandis called ____.
a. cardiovascular flexibility
b. cardiovascular strength
c. cardiovascular stroke volume
d. cardiovascular endurance
e. cardiovascular load capacity
Q. 6Exercising at the maximum heart rate (MHR) is only recommended for highly-trained professional athletes.
a. True
b. False
Indicate whether the statement is true or false
Q. 7Premature skeletal maturation is a potential health risk for adolescents who use anabolic steroids.
a. True
b. False
Indicate whether the statement is true or false