« previous next »

Author Question: Which part of the electrocardiogram (EKG) represents the electrical impulse as it travels through ... (Read 25 times)

appyboo

  • Hero Member
  • *****
  • Posts: 527
on: Jul 22, 2018
Which part of the electrocardiogram (EKG) represents the electrical impulse as it travels through the AV node?
 
  a. P wave c. ST segment
  b. QRS complex d. T wave

Question 2

Which of these statements about the application of moist heat is TRUE?
 
  a. It is the preferred treatment for open wounds.
  b. It provides more immediate relief from pain or spasm than dry heat.
  c. It increases overall body temperature.
  d. It is effective only when adequate vasculature is present.


bookworm410

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 22, 2018
Answer to Question 1

B
The P wave is a positive wave representing atrial depolarization, the PR segment represents the electrical impulse as it moves through the AV node, the T wave represents ventricular repolarization, and the QRS complex represents the electrical impulse as it travels through the AV node.

Answer to Question 2

D
Moist heat is used to promote vasodilation, increase capillary permeability, decrease blood viscosity and reduce muscle tension. It is effective only when adequate vasculature is present.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

Plasmodesmata (Part 2) Plasmodesmata (Part 2)
Helping maintain accurate patient records is a critical part of the medical assistant's work. Helping maintain accurate patient records is a critical part of the medical assistant's work.
Ernesto Neto, TorusMacroCopula, one of four sculptures in Madness is Part of Life. Ernesto Neto, TorusMacroCopula, one of four sculptures in Madness is Part of Life.
Body Part, Method of Examination, and Equipment Used During the General Physical Examination Body Part, Method of Examination, and Equipment Used During the General Physical Examination
Trig Proof Part 2 Trig Proof Part 2
Part 2 Part 2
Video: Interpreting a cladogram Animation

For a complete list of videos, visit our video library