« previous next »

Author Question: Despite being in top condition, 65-year-old Lane notices that his maximum heart rate during an ... (Read 80 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?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Location of the heart within the mediastinum of the thoracic cavity. Location of the heart within the mediastinum of the thoracic cavity.
Heart Heart
Describe the development of atherosclerosis, including its role in the risk of heart disease Describe the development of atherosclerosis, including its role in the risk of heart disease
The rate of replacement of a recessive allele d by the dominant allele D by mutation alone. Even tho The rate of replacement of a recessive allele d by the dominant allele D by mutation alone. Even tho
The human heart The human heart
Congestive heart failure Congestive heart failure
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library