This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following best describes what happens when the lungs expand? A) Contraction of the ... (Read 48 times)

mcmcdaniel

  • Hero Member
  • *****
  • Posts: 550
on: Jul 4, 2018
Which of the following best describes what happens when the lungs expand?
 A) Contraction of the muscles of inspiration pushes the diaphragm up, causing air to flow into the lungs.
  B) Contraction of the muscles of inspiration decreases the volume of the thorax, causing a decrease in pressure (Boyle's law).
  C) Expansion of the thorax causes the lungs to expand as a function of the negative intrapleural pressure between the parietal and visceral pleurae.
  D) None of the above.

Question 2

An adults has a larger respiratory capacity than an infant. Which of the following best explains this capacity difference?
 A) An adult has a larger thorax
  B) The adult lung is stretched to fill the thorax
  C) The adult can voluntarily expand his or her lungs
  D) a & b
  E) a & c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lin77x

  • Sr. Member
  • ****
  • Posts: 326
Reply #1 on: Jul 4, 2018
Answer to Question 1

C

Answer to Question 2

D


mcmcdaniel

  • Member
  • Posts: 550
Reply 2 on: Jul 4, 2018
YES! Correct, THANKS for helping me on my review

kthug

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Larynx, trachea, bronchi, and lungs with an expanded view showing the structures of an alveolus and Larynx, trachea, bronchi, and lungs with an expanded view showing the structures of an alveolus and
Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d Pneumonia. This common lung inflammation may be caused by bacteria, viruses, or fungi and is often d
Human Lungs Diagram Human Lungs Diagram
Lungs Lungs
Lobes and Fissures of the Lungs Lobes and Fissures of the Lungs
Role of calcium in muscle contraction Role of calcium in muscle contraction
Video: SNP Polymorphysim Microarray Chip - How to Test a Person's DNA

For a complete list of videos, visit our video library