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

H2 Blockers

Gastric parietal cells have 3 receptors that can be stimulated to cause the parietal cell to produce H+: 1. acetylcholine 2. gastrin 3. histamine 2
H2Bs are highly selective and do not block H1 receptors and are not anticholinergic
B/c they do not inhibit acetylcholine they reduce gastric acid by only 35-50%
H2Bs that have no effect on gastric emptying: Tagamet, Zantac, Pepcid
H2Bs that have no effect on LES pressure: Tagamet, Pepcid
H2Bs that have little or no effect on fasting or postprandial serum gastrin: Zantac, Axid, Pepcid
H2B that does not affect pepsin secretion or pentagastrin-stimulated intrinsic factor secretion Zantac
Precautions with impaired renal function Tagamet has the most problem, Zantac the least
H2B that should not be used with hepatic disease Axid, Zantac
May be used in infants and children Zantac, Pepcid
Created by: heatherbrown2020



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