Author Question: In Complete Heart Block, the PR interval is: A) normal duration and constant. B) constant but ... (Read 110 times)

Jipu 123

  • Hero Member
  • *****
  • Posts: 569
In Complete Heart Block, the PR interval is:
 
  A) normal duration and constant.
  B) constant but longer than normal.
  C) normal duration but changing.
  D) P waves are not related to QRS complexes.

Question 2

If the rate is 20-40 beats per minute and the QRS measures over 0.12 sec, you should suspect that the pacemaker controlling the heart is located in the:
 
  A) SA Node.
  B) atria.
  C) AV junction.
  D) ventricles.



ebenov

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

Answer: D

Answer to Question 2

Answer: D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

For a complete list of videos, visit our video library