« previous next »

Author Question: Despite being in top condition, 65-year-old Lane notices that his maximum heart rate during an ... (Read 107 times)

ereecah

  • Hero Member
  • *****
  • Posts: 530
on: Jun 22, 2018
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
Reply #1 on: Jun 22, 2018
Answer to Question 1

a

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after The nitrogen cycle. Numbers represent fluxes as 1012 g N per year (data from Schlesinger 1991, after
Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th Hyperopia (farsightedness). In the uncorrected top figure, the image would come into focus behind th
Myopia (nearsightedness). In the uncorrected top figure, the image comes into focus in front of the Myopia (nearsightedness). In the uncorrected top figure, the image comes into focus in front of the
meds for heart failure meds for heart failure
Heart Failure RIght side Heart Failure RIght side
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Video: Osmosis - water transport

For a complete list of videos, visit our video library