This topic contains a solution. Click here to go to the answer

Author Question: If a QRS complex measures less than 0.12 sec, you know that it did NOT originate in the: A) SA ... (Read 69 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
If a QRS complex measures less than 0.12 sec, you know that it did NOT originate in the:
 
  A) SA node.
  B) atria.
  C) AV junction.
  D) ventricles.

Question 2

Which of the following is the LEAST accurate way to determine heart rate?
 
  A) Count the number of QRS complexes in a 6-sec strip and multiply by 10.
  B) Count the number of large squares between two R waves and divide that into 300.
  C) Count the number of small squares between two R waves and divide that into 1500.
  D) Use a rate meter.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

catron30

  • Sr. Member
  • ****
  • Posts: 297
Answer to Question 1

Answer: D

Answer to Question 2

Answer: A




natalie2426

  • Member
  • Posts: 524
Reply 2 on: Jul 2, 2018
:D TYSM


EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Excellent

 

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

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