Author Question: Despite being in top condition, 65-year-old Lane notices that his maximum heart rate during an ... (Read 73 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
Despite being in top condition, 65-year-old Lane notices that his maximum heart rate during an aerobic exercise has declined significantly from when he was in his 20s. This change is best explained in terms of diminished
 
  a. reserve capacity.
  b. dopamine level.
  c. neural plasticity.
  d. estrogen level.

Question 2

Reserve capacity tends to be most important in _____ situations.
 
  a. resting
  b. cognitively demanding
  c. social
  d. emergency



dyrone

  • Sr. Member
  • ****
  • Posts: 322
Answer to Question 1

a

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

For a complete list of videos, visit our video library