Molecular Pharmacology MCQs with Answers

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Welcome to the Molecular Pharmacology MCQs with Answers. In this post, we have shared Molecular Pharmacology Online Test for different competitive exams. Find practice Molecular Pharmacology Practice Questions with answers in Biology Tests exams here. Each question offers a chance to enhance your knowledge regarding Molecular Pharmacology.

Molecular Pharmacology Online Quiz

By presenting 3 options to choose from, Molecular Pharmacology Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Molecular Pharmacology Questions and Answers and click over the correct answer.

Test Name: Molecular Pharmacology MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

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Molecular Pharmacology

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1 / 40

Which type of drugs bind to a receptor and mimic the effects of endogenous ligands?

Agonists

Inhibitors

Antagonists

2 / 40

Which type of drugs inhibit enzyme activity by binding to the enzyme's active site?

Allosteric inhibitors

Non-competitive inhibitors

Competitive inhibitors

3 / 40

What is the term for drugs that bind to a receptor and have no effect on its activity?

Antagonists

Agonists

Inhibitors

4 / 40

What is the term for drugs that bind to receptors and produce a weaker response than full agonists?

Antagonists

Partial agonists

Inhibitors

5 / 40

What is the term for drugs that bind to a receptor and decrease its activity?

Antagonists

Agonists

Inhibitors

6 / 40

Which type of drugs bind to a receptor and prevent activation by endogenous molecules?

Antagonists

Partial agonists

Agonists

7 / 40

Which type of drug interactions occur when two drugs together produce a combined effect that is less than the sum of their individual effects?

Antagonistic

Synergistic

Additive

8 / 40

Which type of drugs bind to a receptor and prevent the binding of an agonist, blocking its action?

Agonists

Inhibitors

Antagonists

9 / 40

What is the study of how drugs interact with biological systems at the molecular level called?

Pharmacodynamics

Molecular pharmacology

Pharmacokinetics

10 / 40

What is the term for drugs that bind to a receptor and have a moderate effect, less than full agonists but more than antagonists?

Inhibitors

Partial agonists

Antagonists

11 / 40

What is the term for the process where drugs are metabolized into inactive compounds by enzymes?

Absorption

Biotransformation

Distribution

12 / 40

Which type of receptors are found inside the cell and are activated by steroid hormones?

Ionotropic receptors

Intracellular receptors

G-protein coupled receptors

13 / 40

What is the term for the process where drugs are absorbed into the bloodstream from the site of administration?

Distribution

Absorption

Biotransformation

14 / 40

Which type of receptors are typically located on the cell surface and transduce extracellular signals?

Ion channels

G-protein coupled receptors

Intracellular receptors

15 / 40

What is the term for the ability of a drug to bind to its target receptor and initiate a response?

Potency

Affinity

Efficacy

16 / 40

What is the term for the study of the biochemical and physiological effects of drugs and their mechanisms of action?

Pharmacology

Molecular biology

Biochemistry

17 / 40

Which type of receptors are ligand-gated ion channels that mediate rapid synaptic transmission?

Intracellular receptors

Ionotropic receptors

G-protein coupled receptors

18 / 40

Which type of receptors are activated by lipid-soluble hormones that enter the cell and bind to receptors in the cytoplasm or nucleus?

G-protein coupled receptors

Intracellular receptors

Ionotropic receptors

19 / 40

Which type of receptors are directly coupled to ion channels and mediate fast synaptic transmission?

G-protein coupled receptors

Ionotropic receptors

Intracellular receptors

20 / 40

Which type of drugs bind to a receptor and produce a physiological response similar to the endogenous ligand?

Agonists

Inhibitors

Antagonists

21 / 40

What is the term for the maximum effect that a drug can produce, regardless of the dose?

Potency

Efficacy

Affinity

22 / 40

What is the term for the amount of drug administered to achieve a desired effect?

Concentration

Dosage

Dose

23 / 40

Which type of drugs bind to a receptor and activate it, mimicking the action of endogenous ligands?

Inhibitors

Agonists

Antagonists

24 / 40

Which type of drug interactions occur when two drugs together produce a combined effect that is equal to the sum of their individual effects?

Additive

Antagonistic

Synergistic

25 / 40

What is the term for drugs that enhance the activity of a neurotransmitter at its receptor site?

Inhibitors

Agonists

Antagonists

26 / 40

Which type of receptors are ligand-gated ion channels that mediate the effects of neurotransmitters?

G-protein coupled receptors

Ionotropic receptors

Intracellular receptors

27 / 40

What is the term for drugs that bind to a receptor and activate it, producing a response weaker than full agonists?

Antagonists

Partial agonists

Inhibitors

28 / 40

Which type of drugs bind to a receptor and inhibit its activity, blocking the action of agonists?

Antagonists

Inhibitors

Agonists

29 / 40

Which type of receptors are linked to intracellular signaling pathways through G-proteins?

Ionotropic receptors

G-protein coupled receptors

Intracellular receptors

30 / 40

Which type of drug interactions occur when two drugs together produce a combined effect that is greater than the sum of their individual effects?

Antagonistic

Additive

Synergistic

31 / 40

What is the term for drugs that bind to specific proteins on the surface of cells?

Antagonists

Enzymes

Ligands

32 / 40

What is the term for the study of drug absorption, distribution, metabolism, and excretion in the body?

Pharmacodynamics

Pharmacokinetics

Clinical pharmacology

33 / 40

What is the term for the therapeutic effect of a drug relative to its toxicity?

Potency

Therapeutic index

Efficacy

34 / 40

Which type of drug interactions occur when the combined effect of two drugs equals the sum of their individual effects?

Synergistic

Additive

Antagonistic

35 / 40

Which type of drug interactions occur when the effects of one drug are decreased by the presence of another drug?

Additive

Synergistic

Antagonistic

36 / 40

What is the term for the study of how drugs are absorbed, distributed, metabolized, and excreted in the body?

Pharmacodynamics

Clinical pharmacology

Pharmacokinetics

37 / 40

What is the term for the process where drugs are distributed throughout the body after absorption?

Distribution

Absorption

Biotransformation

38 / 40

What is the term for the time required for the concentration of a drug in the bloodstream to decrease by half?

Half-life

Duration

Onset

39 / 40

Which type of drug interactions occur when the effects of two drugs together are greater than the sum of their individual effects?

Synergistic

Additive

Antagonistic

40 / 40

What is the term for the measure of the amount of drug needed to produce a response?

Potency

Efficacy

Affinity

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admin3 weeks ago

0 3 1 minute read