« previous next »

Author Question: Normal electrical axis lies between _____ degrees. a. 30 and +90 b. +90 and +180 c. 91 and ... (Read 75 times)

APUS57

  • Hero Member
  • *****
  • Posts: 571
on: Jun 25, 2018
Normal electrical axis lies between _____ degrees.
 
  a. 30 and +90
  b. +90 and +180
  c. 91 and 180
  d. 1 and 90

Question 2

What factors affect afterload?
 
  What will be an ideal response?


cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 25, 2018
Answer to Question 1

A
In adults, the normal QRS axis is considered to be between 30 degrees and +90 degrees in the frontal plane.

Answer to Question 2

Afterload is the pressure or resistance against which the ventricles must pump to eject blood. Afterload is influenced by the following: arterial blood pressure, the ability of the arteries to become stretched (arterial distensibility), and arterial resistance.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

A comparison of (a) uniform, cup-shaped, normal erythrocytes A comparison of (a) uniform, cup-shaped, normal erythrocytes
The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ... The end of a box-end wrench is angled 15 degrees to allow clearance for nearby objects or other ...
An Example of an Electrical Stimulation Experiment An Example of an Electrical Stimulation Experiment
Vector has a magnitude of 5.5 cm and points along the x-axis. Vector has a magnitude of ... Vector has a magnitude of 5.5 cm and points along the x-axis. Vector has a magnitude of ...
The hypothalamic–pituitary–adrenal axis The hypothalamic–pituitary–adrenal axis
Video: ADH and the arterioles, kidneys, sweat glands and the Atrial natriuretic peptide (ANP)

For a complete list of videos, visit our video library