Author Question: An Emergency Medical Responder asks you to explain a pneumothorax. You would explain that a ... (Read 95 times)

james9437

  • Hero Member
  • *****
  • Posts: 568
An Emergency Medical Responder asks you to explain a pneumothorax. You would explain that a pneumothorax occurs when:
 
  A) the lung becomes overinflated with air and collapses.
  B) air accumulates around the lung, causing a portion of it to collapse.
  C) the trachea becomes obstructed, causing the lungs to collapse.
  D) air enters the lung and alveoli from a traumatic opening in the chest wall.

Question 2

In the normal heart, this is the only pathway for conduction of atrial electrical impulses to the ventricles.
 
  A) AV node
  B) left bundle branch
  C) right bundle branch
  D) SA node



af

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Asthma cases in Americans are about 75% higher today than they were in 1980.

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?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

For a complete list of videos, visit our video library