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.

Remove ads
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




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

Antiemetics

QuestionAnswer
Antihistamines: have strong anticholinergic effects Dramamine,benadryl,vistaril,antivert especially helpful in n/v associated with motion sicknessb/c of their depression of conduction in the vestibulocerebellar pathway
phenothiazines: block dopamine receptors in the chemoreceptor trigger zone[CTZ], also bind to and block cholinergic, alpha1-adrenergic, and histamine 1 Phenergan, Compazine cross the blood brain barrier
cannabinoid dronabinol[Marinol]
5HT3 receptor antagonists: block serotonin both peripherally on vagal nerve terminals and centrally in the CTZ Aloxi, Anzemet, Kytril, Zofran
miscellaneous drug: inhibits emetic stimulation of the CTZ Tigan
Antihistamines: precautions and contraindications [b/c of anticholinergic effects], glaucoma, seizure, pyloric obstruction, hyperthyroidism, cardiovascular, prostatic hypertrophy contraindicated in severe liver disease
phenothiazines: precautions and contraindications contraindicated in Parkinson's, narrow angle glaucoma, bone marrow depression, severe cardiovascular or hepatic disease use cautiously in respiratory disease[silent pneumonia may develop], or where aspiration is a risk
cannabinoid: precautions and contraindications allergy to sesame oil, may lower the seizure threshold
5HT 3 receptors: precautions may mask progressive ileus, Zofran ODT contains aspartame and should be used with caution in pts with phenylketonuria
long term use of phenothiazines has been associated with blood dyscrasia that occur when between 4-10 weeks of therapy
Created by: heatherbrown2020