Top Posters
Since Sunday
82
a
50
14
10
G
9
I
8
m
8
7
m
7
K
7
6
b
6
New Topic  
nurse2mrow nurse2mrow
wrote...
Posts: 7336
Rep: 7 1
5 years ago
A client’s heart rate and rhythm are sinus bradycardia at 45 beats/minute. Alteration of function in which of the cardiac conduction system structures can cause this rate and rhythm?
A.   Sinoatrial (SA) node
B.   Bachmann’s bundle
C.   Bundle of His
D.   Purkinje fibers
Read 253 times
3 Replies
Replies
Answer accepted by topic starter
padrepadre
wrote...
Staff Member
Educator
Top Poster
Posts: 22141
4 years ago
Sign in or Sign up in seconds to unlock everything for free.
A
The SA node is composed of pacemaker cells that normally initiate electrical impulses at a rate of 60 to 100/minute. Altered function of the SA node may result in slow or rapid heart rates.
1
Mastering in Nutritional Biology
Tralalalala Slight Smile

Related Topics

wrote...
4 years ago
Thank you for this, it helped me understand it perfectly.
wrote...
Staff Member
Educator
4 years ago
Hey, no worries.
Mastering in Nutritional Biology
Tralalalala Slight Smile
New Topic      
This topic is not open for further replies. If you'd like to contribute to this topic, start a new thread and make reference to this one. Otherwise, contact a moderator for more options.
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  72 People Browsing
 107 Signed Up Today
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 88

Related Images
 1193
 12991
 3718