Author Question: Ventricular depolarization is represented by the QRS complex U wave P wave PR interval ST ... (Read 120 times)

CharlieWard

  • Hero Member
  • *****
  • Posts: 578
Ventricular depolarization is represented by the
 
 QRS complex
  U wave
  P wave
  PR interval
  ST segment

Question 2

The ____ is the preferred site for injections in most infants and children.
 A) deltoid
  B) vastus lateralis
  C) ventrogluteal
  D) dorsogluteal



sarajane1989

  • Sr. Member
  • ****
  • Posts: 296
Answer to Question 1

QRS complex

Rationale: The QRS complex represents ventricular contraction; the P wave always represents the beginning of the cardiac cycle when the atria contract. The PR interval and ST segments are measurements.

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

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?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

For a complete list of videos, visit our video library