« previous next »

Author Question: Exhalation below the resting level requires active muscular effort in order to overcome what ... (Read 53 times)

mia

  • Hero Member
  • *****
  • Posts: 564
on: Jul 16, 2018
Exhalation below the resting level requires active muscular effort in order to overcome what ten-dency?
 
  a. The airways to collapse
  b. The alveoli to expand
  c. The chest wall to expand
  d. The lungs to expand

Question 2

At approximately what point during a maximum inspiration does the chest wall reach its natural resting level?
 
  a. Approximately 30 of the VC
  b. Approximately 40 of the total lung ca-pacity (TLC)
  c. Approximately 70 of the VC
  d. Approximately 90 of the VC


javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: C
In order to exhale below the resting level (FRC) muscular effort is required to overcome the ten-dency of the chest wall to expand.

Answer to Question 2

ANS: C
When lung volume nears 70 of the VC, the chest wall reaches its natural resting level.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

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?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

The ultimate foundation of any political order is violence, no more starkly demonstrated than when a ... The ultimate foundation of any political order is violence, no more starkly demonstrated than when a ...
Mechanisms of pain at the nociceptor level. Mechanisms of pain at the nociceptor level.
A weather map depicting the sea-level pressure distribution for March 4, 1994. A weather map depicting the sea-level pressure distribution for March 4, 1994.
Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid
The level of future emissions is closely linked to the rate of population growth The level of future emissions is closely linked to the rate of population growth
Resting Membrane Potential: Voltage Difference Resting Membrane Potential: Voltage Difference
Video: Import of Dietary Glucose from Intestines to Bloodstream

For a complete list of videos, visit our video library