This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The nurse clarifies that the master pacemaker of the heart is the: a. left ventricle. b. ... (Read 58 times)

Metfan725

  • Hero Member
  • *****
  • Posts: 552
on: Jul 11, 2018
The nurse clarifies that the master pacemaker of the heart is the:
 
  a. left ventricle.
  b. atrioventricular (AV) node.
  c. sinoatrial (SA) node.
  d. bundle of His.

Question 2

The nurse is aware that the muscle layer of the heart, which is responsible for the heart's contraction, is the:
 
  a. endocardium.
  b. pericardium.
  c. mediastinum.
  d. myocardium.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sokh

  • Sr. Member
  • ****
  • Posts: 357
Reply #1 on: Jul 11, 2018
Answer to Question 1

ANS: C
The SA node is the master pacemaker of the heart.

Answer to Question 2

ANS: D
The myocardium is the specialized muscle layer that allows the heart to contract.


Metfan725

  • Member
  • Posts: 552
Reply 2 on: Jul 11, 2018
Great answer, keep it coming :)

rachel

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Critical thinking involves analysis in which the nurse examines patient data available from a variet Critical thinking involves analysis in which the nurse examines patient data available from a variet
The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section The cardiovascular system. A schematic view of the closed circulation of blood. The heart is section
The conduction system of the heart. The conduction system of the heart.
A series of two PET scans. A scan was done when the volunteer’s eyes were either open (left) or ... A series of two PET scans. A scan was done when the volunteer’s eyes were either open (left) or ...
The human heart The human heart
Video: How to make cDNA Animation

For a complete list of videos, visit our video library