Which of the following statements regarding the mechanism of action of benzodiazepines is INCORRECT?
They enhance the effect of GABA by increasing the frequency of chloride channel opening.
They bind to a specific site on the GABA receptor complex.
They act as dopamine agonists, enhancing dopaminergic neurotransmission.
Their effects can be reversed by flumazenil, a competitive antagonist.
Related Questions
In contrast to broad-spectrum antibiotics, which of the following is known for its specific action against a limited range of bacterial species?
Ampicillin
Penicillin G
Tetracycline
Chloramphenicol
Drugs that induce sleep are classified as:
Stimulants
Antibiotics
Hypnotics
Antihistamines
The therapeutic index of a drug is defined as:
The ratio of the ED to the TD.
The ratio of the TD to the ED.
The sum of the TD and the ED.
The difference between the TD and the ED.
Drugs that bind to the receptor site and inhibit its natural function are called:
Agonists
Antagonists
Synergists
Antibiotics
Which of the following is NOT a broad classification of drugs based on their pharmacological effect?
Analgesics
Antiseptics
Antacids
Tranquilizers
Which of the following is an example of a narrow spectrum antibiotic?
Tetracycline
Chloramphenicol
Penicillin G
Ampicillin
A drug that kills or inhibits the growth of microorganisms is called:
Analgesic
Antipyretic
Antimicrobial
Antacid
Which of these is a characteristic of barbiturates like secobarbital?
Stimulation of the central nervous system
Central nervous system depression
Increased anxiety
Hallucinogenic effects
Which of the following compounds is not an antacid?
Ranitidine
Cimetidine
Magnesium hydroxide
Serotonin
Chloroxylenol belongs to which class of chemical compounds?
Chlorinated phenol
Alcohol
Aldehyde
Carboxylic acid
