Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Don't know
Know
remaining cards
Save
0:01
To flip the current card, click it or press the Spacebar key.  To move the current card to one of the three colored boxes, click on the box.  You may also press the UP ARROW key to move the card to the "Know" box, the DOWN ARROW key to move the card to the "Don't know" box, or the RIGHT ARROW key to move the card to the Remaining box.  You may also click on the card displayed in any of the three boxes to bring that card back to the center.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

The Heart Study G

Things to know about the Heart and Heart disease

QuestionAnswer
The heart's pointed inferior portion is the apex
The layer of the heart wall that pumps blood is the myocardium
The heartbeat is initiated by electrical impulses from the sinoatrial node
Lack of blood to a tissue due to blocked arteries is called ischemia
Pain caused lack of blood to heart muscle is called angina
Receives blood low in oxygen from the body Right atrium
Receives blood high in oxygen from the lungs Left atrium
Sends blood low in oxygen to the lungs Right ventricle
Sends blood high in oxygen to the body Left ventricle
Which structural characteristic promotes rapid transfer of electrical signals between cardiac muscle cells? intercalated disks between the cells
What separates the upper chambers of the heart from each other? interatrial septum
Which term describes one complete sequence of heart contraction and relaxation? cardiac cycle
Cardiac output is the product of which factors? stroke volume and heart rate
Which medication reduces cardiac output by lowering sympathetic responses? beta-adrenergic blocking agent
Which variation in heart rate can be due to changes in the rate and dept of breathing? sinus arrhythmia
Created by: Jessica Venyke