« previous next »

Author Question: Which type of pressure is necessary within the thorax to maintain normal inhalation and expiration? ... (Read 125 times)

khang

  • Hero Member
  • *****
  • Posts: 569
on: Jul 18, 2018
Which type of pressure is necessary within the thorax to maintain normal inhalation and expiration?
 
  a. Negative
  b. Positive
  c. Internal
  d. Blunt

Question 2

Which ribs have no fixation anteriorly?
 
  a. 5th, 6th, and 7th ribs
  b. 7th and 8th ribs
  c. 8th, 9th, and 10th ribs
  d. 11th and 12th ribs


kswal303

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jul 18, 2018
Answer to Question 1

ANS: A
Negative, or subatmospheric, pressure is needed to avoid pressure changes that can be caused by openings in the thoracic wall. An uncontrolled opening in the thoracic wall can cause pressure change and be fatal.

Answer to Question 2

ANS: D
Although ribs 3 through 7 articulate with the main sternal body, and the 8th through 10th ribs join anteriorly to the above ribs' cartilage, the 11th and 12th ribs have no anterior fixation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Summation of Heart Sounds, Normal S1 Summation of Heart Sounds, Normal S1
Physiological Factors Affecting Blood Pressure Physiological Factors Affecting Blood Pressure
Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric Block Diagram of a High Concentrate Nitric Acid System for Dual-Stage Pressure Production of Nitric
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.
Warming effleurage to thigh muscles. Use reinforced palm over palm method to apply deeper pressure ... Warming effleurage to thigh muscles. Use reinforced palm over palm method to apply deeper pressure ...
Blood Pressure (BP) Blood Pressure (BP)
Video: Major Elements in Biological Molecules: Proteins

For a complete list of videos, visit our video library