Save
Busy. Please wait.
Log in using Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
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.
Your email address is only used to allow you to reset your password. See 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.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
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

Cardiovascular day 2

QuestionAnswer
pressure within the ___ causes valves to open and close (like the wind) Heart chambers
when the ___ are relaxed the pressure is ___ which allows them to easily fill. during this time the ___ are contracting and the valves remain ___ 1. ventricles 2. low 3. atria 4. open
The pressure builds up in the ___ as they are filling. this forces the ___ open forcing the blood into the relaxed ventricles. 1. atria 2. ventricles
a heart beat sounds through a _____ sounds like a lubb-dupp. this is caused by ___ in the heart tissues when the ___ closes 1. stethoscope 2. vibration 3. heart
The ___ is when the ventricles ___ (the valves closing) 1. lubb 2. contract
The ___ is when the ventricles ___ 1. dupp 2. relax
___ muscle fibers connect in branching ___ 1. cardiac 2. network
when any part of that ___ is stimulated it sends an ___ through the whole heart causing it to ___ 1. network 2. impulse 3. contract
A mass of merging ___ that function as a unit is called a ___ syncytium. in the heart this is located in the ___ and ___ walls. 1. cells 2. functional 3. atrial 4. ventricals
The heart contains specialized muscle ___ that do not contract but start and send ___ throughout the ____( heart muscle) 1. tissue 2. impulses 3. myocardium
S-a nodes: A small mass of ___ in the right __ that stimulates the heart to ___ causing both ___ to contract. This activity is rhythmic and is sometimes called a ____. the ___ then travels through the junctional ___ to its next stop. 1. tissue 2. atrium 3. contract 4. atria 5. pacemaker 6. impulse 7. fibers
A-V nodes: located in the __ between the __. This serves as a pathway to the bundle of __. it then continues to travel down the septum where it __ off into what is called purkinje __. 1. septum 2. atria 3. his. 4. branches 5. fibers.
These fibers project inward to the __ and then continues to the __ of the heart. This then causes the __ to contract and force blood out of the ___ 1. fibers 2. apex. 3. ventricles 4. ventricles
Records __changes that occur during the cardiac __. body __ can conduct electrical currents so this can be detected by electrodes that are placed on the __. the wires are hooked to a machine with moving __that is recording the __ between the __ changes. 1. electrical 2. cycle 3. fluids 4. skin. 5. stylist 6. time 7. electrical
These different changes are known as ___ 1. waves
P waves: when the __ contracts 1. Atria
QRS complex: the period between the atria contracting and the __ contracting 1. Ventricles
T wave: when the ___ contract. 1. ventricles
heart ___ changes to meet the demands of the body. Ex. during __ the muscles and __ require more __ and __ so the heart rate __ 1. rate 2. exercise 3. heat 4. blood. 5. oxygen. 6. increases
___ are sent from the medulla oblongata to increase or decrease heart __ 1. impulses 2. rate
rising body ___ will increase heart rate 1. temperature
low body ___ with decrease heart rate 1. temperature
___ and ___ also influence heart action. if __ is high it will slow the heart action. if it is low it may cause an ___ (irregular heart rate). Too much ___ may cause the heart to ___ too hard if it is low, it wont contract enough. 1. potassium 2. calcium 3. K+ 4. arrhythmia 5. calcium 6. contract
Created by: Mckenzie.wilson
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards