Busy. Please wait.

show password
Forgot Password?

Don't have an account?  Sign up 

Username is available taken
show password


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.
Didn't know it?
click below
Knew it?
click below
Don't know
Remaining cards (0)
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

Lecture 24


Capillary Blood Flow Very slow-many capillaries spread flow out and reduce speed
Capillary Pressure 37 mmHg at arteriolar and down to 17mmHg at venous end
Capillary Fluid Exchange Balance of BP forcing fluid out and osmotic pressure from plasma proteins drawing fluid in. Fluid moves through capillary pores
Filtration Domainates at high pressure and (arteriolar) BP>osmotic pressure-fluid forced out.
Reabsorption At venous end lower BP, BP<osmotic pressure,fluid reenters. Net fluid sweeps volume around capillary, slightly more fluid filtered than reabsorbed.
Lymph Flow Return of excess filtered fluid to circulation
Return of Filtered Fluid Fluid enters closed-ended lymph vessels, which merge w/ others.Lymph nodes are sites of large lymph vessel merger. Large lymph vessels have valves lymph enters vena cava (BP=0) at the thoracic duct in chest.
Edema Swelling. Excess filtration (broken capillaries). Low blood protein (starvation,alcoholism). Bacteria presence and destruction draws fluid osmotically. Parasites-filariasis-black lymph flow-fatal.
Venous Flow Capacitance vessels, hold largest blood volume
Venous Pressure 17 mmHg at capillary end to 0 at vena cava. During inspiration, vessels in thorax may have negative pressure. BP needs help getting blood up to heart.
Venous Valves Prevent backflow. Every 1-2 in. in large veins. Valves can be demonstrated on veins on back of hand.
Skeletal Pump Muscle concentration squeezes veins-forces blood to heart.
Varicose Veins Ruptured valves-column of blood,slow return. Clots may form. Blood bypasses varicosites through other veins.
Created by: danamarie9323



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:
restart all cards