« previous next »

Author Question: Damage to the sinoatrial node in humans A) is a major contributor to heart atta (Read 783 times)

luvbio

  • Hero Member
  • *****
  • Posts: 623
on: Sep 7, 2013
Damage to the sinoatrial node in humans
A)  is a major contributor to heart attacks.
B)  would block conductance between the bundle branches and the Purkinje fibers.
C)  would have a negative effect on peripheral resistance.
D)  would disrupt the rate and timing of cardiac muscle contractions.
E)  would have a direct effect on blood pressure monitors in the aorta.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Sep 9, 2013
Choose D

GL


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Division of labour among castes of leafcutter ants, Atta sexdens, and naked mole rats, Heterocephalu Division of labour among castes of leafcutter ants, Atta sexdens, and naked mole rats, Heterocephalu
Major Veins and Arteries of the Neck Major Veins and Arteries of the Neck
Summation of Heart Sounds, Normal S2 Summation of Heart Sounds, Normal S2
An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th An alternating pneumatic compression device squeezes the leg tissues causing blood to move toward th
Side-effects of major chemotherapy agents Side-effects of major chemotherapy agents
Diagram of the heart showing normal conduction pathway. Diagram of the heart showing normal conduction pathway.
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library