« previous next »

Author Question: On the ECG, the time necessary for the spread of an electrical impulse through the AV node, bundle ... (Read 88 times)

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
on: Jun 25, 2018
On the ECG, the time necessary for the spread of an electrical impulse through the AV node, bundle of His, right and left bundle branches, and the Purkinje fibers is reflected by the _____.
 
  a. TP segment
  b. PR segment
  c. QT interval
  d. QRS duration

Question 2

Which leads face the septum?
 
  a. II, aVF
  b. V1, V2
  c. V5, V6
  d. I, aVL


morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 25, 2018
Answer to Question 1

B
The PR segment is the horizontal line between the end of the P wave and the beginning of the QRS complex. It is part of the PR interval and represents activation of the AV node, the bundle of His, the bundle branches, and the Purkinje fibers.

Answer to Question 2

B
Leads V1 and V2 face the septum.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jasdeep_brar

  • Hero Member
  • *****
  • Posts: 569
Reply #2 on: Jun 25, 2018
Thank you :)


morganmarie791

  • Sr. Member
  • ****
  • Posts: 336
Reply #3 on: Jun 25, 2018
Happy to help you


« previous next »
 

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

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 people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

The Gender Pay Gap Over Time: What Percentage of Men's Income Do Women Earn? The Gender Pay Gap Over Time: What Percentage of Men's Income Do Women Earn?
Four methods of recording electrical activity of the nervous system. Four methods of recording electrical activity of the nervous system.
Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ... Use two hands to squeeze both sides of the arm at the same time. Apply from shoulder to wrist. ...
Lymph node structure. Lymph node structure.
Structure of a Lymph Node Structure of a Lymph Node
A clock is showing the time as exactly 3:00 p.m. and 25 s. A clock is showing the time as exactly 3:00 p.m. and 25 s.
Video: Virtual Tour of the Heart

For a complete list of videos, visit our video library