Drugs that does not cross Blood Brain Barrier______________?
Correct answer: B. Neostigmine
- A. Atropine
- B. Neostigmine
- C. Physostigmine
- D. Scopolamine
Explanation
Neostigmine is a permanently charged quaternary ammonium compound, so it does not significantly cross the blood-brain barrier. Physostigmine crosses it readily, while atropine and scopolamine are tertiary amines that enter the CNS.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Autonomic Pharmacology
47 free Autonomic Pharmacology MCQs from Pharmacology, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Pharmacology questions like this
Pharmacology is on 7 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.
More Autonomic Pharmacology questions
Dermatologic manifestation of drug allergy are managed by_____________?
Which of the following is not true for histamine ?
Which of the following drugs cannot reduce the salivary secretions ?
A patient has had an allergic reaction with Urticarlia and wheezing. The drug of choice will be_____________?
All of the following drugs cause dryness of mouth except_______________?
Adrenaline can be given in all of the following situations except_______________?