G-W Learning
|
Health Sciences
Activities
Web Links
Resources
Support
Mobile Site
Activities
Chapter Assessment Lesson 11.2
Learning Key Terms and Concepts
The "pacemaker" of the heart is the _____.
A. mitral valve
B. atrioventricular node
C. sinoatrial node
D. bundle of His
The SA node is _____.
A. located at the top of the right atrium
B. the pacemaker
C. located near the bundle of His
D. the origin of Purkinje fibers
Sympathetic nerve fibers stimulate the SA node, which _____.
A. increases the heart rate
B. decreases the heart rate
C. causes the ventricles to contract
D. makes the heart rate irregular
Which of the following is not considered a component of the heart conduction system?
A. sinoatrial (SA) node
B. epicardium
C. Perkinje fibers
D. atrioventricular (AV) node
The cardiac center of the brain is made up of the _____ and _____ branches of the nervous system.
The _____, which are sensitive to pressure, are located in the aortic arch and carotid arteries.
Thinking Critically
What would happen if a person's parasympathetic nervous system did not function?
How do the endocrine and limbic systems work together to help a person escape from a dangerous situation?
To e-mail this activity, fill in the fields below and select
Send
.
Your Name
Your E-mail
Send yourself a copy
Your Instructor's E-mail
Additional Recipient's E-mail (optional)
Comments
I confirm my input is correct and am ready to submit