Author Question: Ventricular depolarization is represented by the QRS complex U wave P wave PR interval ST ... (Read 104 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?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

For a complete list of videos, visit our video library