Gastrointestinal Pharmacology Quiz

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Gastrointestinal Pharmacology Quiz - Quiz

Gastrointestinal pharmacology uses effective drugs to treat gastrointestinal infections. Here we present you the Gastrointestinal Pharmacology quiz to help you test your subject knowledge. As we continue to grow and study as a race, we continue to develop advancements in medicine and surgery that our ancestors would never have dreamed of. If you study pharmacology, for example, you'll know that there are various medications out there to treat almost every ailment you can think of. Let's see what treats illnesses in the gastrointestinal system, shall we? Good luck!


Questions and Answers
  • 1. 

    Phenothiazine- largest group used for nausea and vomiting it inhibits what?

    • A.

      Serotonin

    • B.

      H1 receptors

    • C.

      Dopamine

    • D.

      Histamine

    • E.

      Acetycholine

    Correct Answer
    C. Dopamine
    Explanation
    Phenothiazine, the largest group used for nausea and vomiting, inhibits dopamine. Dopamine is a neurotransmitter that plays a role in regulating movement, emotions, and the reward system in the brain. Inhibiting dopamine can help reduce nausea and vomiting symptoms.

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  • 2. 

    Which drug should not be given to patients with glaucoma?

    • A.

      Antihistamine

    • B.

      Antiemitics

    • C.

      Phenothiazine

    • D.

      Anticholingeric

    • E.

      Antiserotonergic

    Correct Answer
    E. Antiserotonergic
    Explanation
    Patients with glaucoma should avoid taking antiserotonergic drugs. Glaucoma is a condition characterized by increased pressure in the eye, which can damage the optic nerve and lead to vision loss. Antiserotonergic drugs work by blocking the action of serotonin in the brain and can potentially increase intraocular pressure, worsening the symptoms of glaucoma. Therefore, it is important for patients with glaucoma to avoid taking antiserotonergic drugs to prevent any further damage to their eyes.

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  • 3. 

    Which of the following are antiulcer drugs?

    • A.

      Antacids

    • B.

      H2-receptor antagonists

    • C.

      Proton pump inhibitors

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    The correct answer is "All of the above" because antacids, H2-receptor antagonists, and proton pump inhibitors are all types of drugs that are used to treat ulcers. Antacids help to neutralize stomach acid, H2-receptor antagonists reduce the production of stomach acid, and proton pump inhibitors block the enzyme responsible for acid production. Therefore, all three types of drugs are commonly used in the treatment of ulcers.

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  • 4. 

    What blocks the H1 receptors and also have a dry mouth effect?

    • A.

      Antihistamine

    • B.

      Anticholingeric

    • C.

      Phenothiazine

    • D.

      Benzodiazephines

    • E.

      Antiserotonergic

    Correct Answer
    A. Antihistamine
    Explanation
    Antihistamines are medications that block the H1 receptors, which are responsible for allergic reactions. Some antihistamines can also have a side effect of causing a dry mouth. Therefore, antihistamine is the correct answer as it fits both criteria mentioned in the question.

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  • 5. 

    Which drug has the side effect of sedation, hypotension, extrapyramidal symptoms of parkinsonism, dry mouth, urinary retention, and constipation?

    • A.

      Phenothiazine

    • B.

      Anticholingeric

    • C.

      Antihistamine

    • D.

      Benzodiapzephine

    • E.

      Antiserotonergic

    Correct Answer
    A. Phenothiazine
    Explanation
    Phenothiazine is the correct answer because it is a class of drugs that are known to have the side effects mentioned. Sedation, hypotension, extrapyramidal symptoms of parkinsonism, dry mouth, urinary retention, and constipation are all commonly associated with the use of phenothiazines. Anticholinergic drugs may also have some similar side effects, but they are not specifically mentioned in the question. Antihistamines, benzodiazepines, and antiserotonergic drugs do not typically cause all of the listed side effects.

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  • 6. 

    A patient who has been suffering from persistent IBS-C is given a laxative that acts by stimulating guanylyl cyclase C to increase the secretion of chloride-rich fluid into the intestinal lumen. Which drug was this patient given?

    • A.

      Alosetron

    • B.

      Amitriptyline

    • C.

      Loperamide

    • D.

      Lubiprostone

    • E.

      Mesalamine

    Correct Answer
    D. Lubiprostone
    Explanation
    The drug given to the patient to stimulate guanylyl cyclase C and increase the secretion of chloride-rich fluid into the intestinal lumen is Lubiprostone.
    Lubiprostone is used to treat chronic idiopathic constipation (CIC) and irritable bowel syndrome with constipation (IBS-C). It works by increasing chloride secretion in the intestines, leading to enhanced fluid secretion and improved bowel movements.

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  • 7. 

    Name 3 types of Antidiarrheal drugs

    • A.

      Osmotic laxative, anticholinergics, stool softners

    • B.

      Osmotic laxative, stimulants and contact laxatives, stool softners

    • C.

      Opiates bulk forming laxatives, absorbents

    • D.

      Lubricant, stool softners, opiates

    • E.

      Opiates, absorbents, anticholinergics

    Correct Answer
    E. Opiates, absorbents, anticholinergics
    Explanation
    The correct answer is opiates, absorbents, and anticholinergics. Opiates are used to slow down the movement of the intestines and reduce diarrhea. Absorbents help to bind water and toxins in the intestines, reducing the frequency of bowel movements. Anticholinergics work by blocking the action of a neurotransmitter called acetylcholine, which helps to reduce intestinal muscle contractions and decrease diarrhea.

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  • 8. 

    Which of the following are In-Vitro screening methods?

    • A.

      Gastrin Binding Assay

    • B.

      Tiotidine Binding Assay

    • C.

      ATP Inhibition Assay

    • D.

      Option 4

    Correct Answer
    A. Gastrin Binding Assay
    Explanation
    In-Vitro screening methods refer to tests that are performed outside of a living organism, typically in a laboratory setting. Gastrin Binding Assay is an In-Vitro screening method because it involves studying the binding of gastrin, a peptide hormone, to its receptors in a controlled laboratory environment. This assay allows researchers to understand the interaction between gastrin and its receptors, which can provide insights into various physiological processes and diseases. Tiotidine Binding Assay and ATP Inhibition Assay are also In-Vitro screening methods, but the presence of "Option 4" in the question suggests that the answer is specifically Gastrin Binding Assay.

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  • 9. 

    Which of the following is an In-vivo method

    • A.

      Histamine Induced Gastric Ulcer

    • B.

      Profuse hybrid Gastric Ulcer

    • C.

      Gastric Binding Assay

    • D.

      None of the above

    Correct Answer
    A. Histamine Induced Gastric Ulcer
    Explanation
    Histamine Induced Gastric Ulcer is an in-vivo method because it involves studying the effect of histamine on the gastric mucosa in a living organism. In this method, histamine is administered to the organism, and the resulting gastric ulcer is observed and analyzed. This allows researchers to understand the physiological and pathological processes involved in gastric ulcer formation in a living system. The other options, Profuse hybrid Gastric Ulcer and Gastric Binding Assay, do not involve studying the effect of histamine or any other substance in a living organism, making them not in-vivo methods.

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  • 10. 

    Which of the following are causes of Ulcer

    • A.

      Congenital hyperacidity

    • B.

      Drugs such as aspirin and painkillers for rheumatism irritate and damage gastric mucosa

    • C.

      Undesirable eating habits, irregular meals or overeating.

    • D.

      All of the above

    Correct Answer
    D. All of the above
    Explanation
    All of the given options can be causes of ulcers. Congenital hyperacidity refers to a condition where there is an excessive production of stomach acid, which can lead to the development of ulcers. Drugs like aspirin and painkillers can irritate the stomach lining and cause damage to the gastric mucosa, increasing the risk of ulcers. Undesirable eating habits such as irregular meals or overeating can also contribute to the development of ulcers by putting extra stress on the stomach and increasing the production of stomach acid. Therefore, all of these factors can play a role in causing ulcers.

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