The nurse uses a picture to demonstrate the conduction pathway through the chambers of the heart. Arrange the following options in the correct sequence:

1. Atria contract
2. Conduction through bundle branches
3. AV node fires
4. Purkinje fibers conduct
5. SA node fires
6. Ventricles contract


5, 1, 3, 2, 4, 6
The conduction pathway begins in the SA node, travels down the atrial wall, depolarizing the atria, to the AV node, bundle branches, and Purkinje fibers, contracting the ventricles.

Nursing

You might also like to view...

An 8-year-old child is being seen in the clinic. The mother states he suffers from bed-wetting at least four times per week. What medication is effective in treating enuresis in children?

A) Amitriptyline (Elavil) B) Duloxetine (Cymbalta) C) Imipramine (Tofranil) D) Venlafaxine (Effexor)

Nursing

A client has had extensive ankle reconstruction and required a cast for stabilization. The nurse would expect which educational topic to be included in the plan of care before discharge?

1. Home management of the casted extremity 2. Application of heat four times each day 3. Weight-bearing training 4. Log-rolling techniques when getting out of bed

Nursing

A prenatal client discloses that she takes high doses of vitamins. Which is the most accurate instruction that the nurse can provide in response to the client's statement?

a. "High levels of vitamins may cause harm to the fetus." b. "Only water-soluble vitamins may be harmful during pregnancy." c. "Megadoses of vitamins are associated with positive birth outcomes." d. "Vitamin supplementation is not needed during pregnancy."

Nursing

Which of the following surgical clients will return to activities in their everyday lives more quickly?

A) Vaginal hysterectomy B) Laparoscopic cholecystectomy C) Right nephrectomy D) Open-heart surgery

Nursing