« previous next »

Author Question: Despite being in top condition, 65-year-old Lane notices that his maximum heart rate during an ... (Read 70 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?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ Coronary circulation. (A) Coronary vessels portraying the complexity and extent of the coronary circ
Conduction system of the heart. Conduction system of the heart.
Heart Heart
Heart Valves and Circulation of Blood Heart Valves and Circulation of Blood
Development of the Heart Development of the Heart
Sam and Jen had a tax liability of 5,115 last year. They were entitled to tax credits of 112 ... Sam and Jen had a tax liability of 5,115 last year. They were entitled to tax credits of 112 ...
Video: Isovolumetric VC, Ventricular ejection, Isovolumetric & Passive ventricular filling

For a complete list of videos, visit our video library