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

Author Question: The left main coronary artery divides into the _____ branches. a. marginal and circumflex b. ... (Read 79 times)

joesmith1212

  • Hero Member
  • *****
  • Posts: 549
on: Jun 25, 2018
The left main coronary artery divides into the _____ branches.
 
  a. marginal and circumflex
  b. marginal and anterior descending
  c. anterior and posterior descending
  d. anterior descending and circumflex

Question 2

The intrinsic rate of the atrioventricular (AV) bundle is _____ beats/min.
 
  a. 20 to 40
  b. 40 to 60
  c. 60 to 80
  d. 80 to 100


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

qytan

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 25, 2018
Answer to Question 1

D
The left main coronary artery supplies oxygenated blood to its two primary branches: the left anterior descending (LAD) (also called the anterior interventricular) artery and the circumflex artery (CX).

Answer to Question 2

B
The AV bundle has pacemaker cells capable of firing at a rate of 40 to 60 beats/min.


joesmith1212

  • Member
  • Posts: 549
Reply 2 on: Jun 25, 2018
Wow, this really help

coreycathey

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Quadrants of the Left Breast Quadrants of the Left Breast
The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper The respiratory system. (a) Sagittal section of the head and neck, revealing the organs of the upper
In 1993 Clinton succeeded in brokering a deal between Israeli prime minister Yitzhak Rabin (left) ... In 1993 Clinton succeeded in brokering a deal between Israeli prime minister Yitzhak Rabin (left) ...
A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ... A typical pedestal grinder with a wire wheel on the left side and a stone wheel on the right side. ...
The asymmetry of facial expressions. Notice that the expressions are more obvious on the left side ... The asymmetry of facial expressions. Notice that the expressions are more obvious on the left side ...
Location of the main structures of the vessels Location of the main structures of the vessels
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

For a complete list of videos, visit our video library