« previous next »

Author Question: What in essence is Frank-Starling's law of the heart? a. The greater the stretch, the stronger ... (Read 38 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Jul 16, 2018
What in essence is Frank-Starling's law of the heart?
 
  a. The greater the stretch, the stronger the contraction.
  b. The less the afterload, the greater the ejec-tion fraction.
  c. Describes the inverse relationship between diameter and resistance to flow.
  d. Curves show the hysteresis variations be-tween systole and diastole.

Question 2

What circulatory system is referred to as a low-pressure, low-resistance system?
 
  a. Left heart
  b. Pulmonary vascular bed
  c. Right heart
  d. Systemic vascular bed


soda0602

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Jul 16, 2018
Answer to Question 1

ANS: A
According to Frank-Starling's law, the more a cardiac fiber is stretched, the greater the tension it generates when contracted.

Answer to Question 2

ANS: B
The right side of the heart provides the pressures needed to drive blood through the low-resistance, low-pressure pulmonary circulation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
Heart Heart
The elicitation of a stretch reflex. All of the muscle spindles in a muscle are activated during a ... The elicitation of a stretch reflex. All of the muscle spindles in a muscle are activated during a ...
Heart of Mine by Peter Salett Heart of Mine by Peter Salett
Location of the heart in the mediastinum of the throrax Location of the heart in the mediastinum of the throrax
Nervous System Regulation of the Heart Nervous System Regulation of the Heart
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library