Pharmacy Subjects MCQs with Answer Keys - MCQ # 921 to 940

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Note: Answer keys are given at the end of the MCQs.

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921. Identify the compound among the following that is composed of two acetylcholine molecules or in other words has a double-acetylcholine structure?

a- methacholine

b- citicoline

c- succinylcholine

d- phosphatidylcholine

e- choline

922. The strongest topical anesthetic is;

a- tetracaine

b- lidocaine

c- cocaine

d- procaine

e- bupivacaine 

923. All of the following drugs belong to the pharmacological class of NSAIDs. Which one of them has the least potential to cause gastric irritation?

a- naproxen sodium

b- flurbiprofen

c- diclofenac potassium

d- piroxicam

e- nimesulide

924. What will be the outcome of taking ketoconazole along with an antacid?

a- decreased activity of the antacid

b- increased absorption of the ketoconazole

c- decreased effect of the ketoconazole

d- increased activity of the antacid

e- no interaction exists between the two

925. Using the Handerson-Haselbalch equation, predict the percentage of ionized and unionized species if the pH value is equal to the pKa value?

a- 10% ionized and 90% unionized species 

b- 20% ionized and 80% unionized species

c- 30% ionized and 70% unionized species

d- 40% ionized and 60% unionized species

e- equal amounts of ionized and unionized species

926. Total Body Water (TBW) represents the distribution of water in the intracellular and extracellular spaces of our bodies. The intracellular space contains how much of the TBW?

a- 20%

b- 80%

c- 66.66%

d- 33.33%

e- 50%

927. The enzyme RENIN is secreted by;

a- adrenal cortex

b- adrenal medulla

c- lungs

d- kidneys

e- vascular endothelial cells

928. Suicide inhibitors are agents that will irreversibly bind to the target enzyme and render it inactive in a way that the enzyme commits suicide. Which among the following agents exhibits such a behavior?

a- selegiline

b- aspirin

c- allopurinol

d- sulbactam

e- all of the options

929. Muscarinic receptors are present in all of the following locations but;

a- autonomic ganglia

b- salivary glands

c- sweat glands

d- cardiac tissue

e- central nervous system

930. All the drugs mentioned below are used in the treatment of a chronic obstructive pulmonary disease called asthma. Identify the one agent that does not exert a direct bronchodilatory effect?

a- aclidinium bromide

b- cromolyn sodium

c- ephedrine

d- acefylline

e- ritodrine

931. Based on the knowledge of the Pharmacy profession, identity the one statement that is INCORRECT? 

a- achlorhydria can occur due to H. pylori infection

b- ketotifen is a mast cell stabilizer

c- carbon dioxide can be used as a stimulant in respiratory depression

d- dextromethorphan is a non-opioid antitussive drug

e- weakly acidic drugs are better absorbed in the small intestine

932. The mechanism of action of the anti-glaucoma drug Latanoprost involves the activation of which prostaglandin receptor?

a- PG-E1 receptor

b- PG-E2 receptor

c- PG-I receptor

d- PG-F receptor

e- PG-D receptor

933. From among the following statements, choose the one that correctly reflects the nature of ejaculation and erection of the penis as far as their control by the nervous system is concerned?

a- erection is parasympathetic while ejaculation is sympathetic

b- erection is sympathetic while ejaculation is parasympathetic

c- erection and ejaculation both are sympathetic

d- erection and ejaculation both are parasympathetic

e- erection is somatic while ejaculation is autonomic

934. Blue-man syndrome is a rare adverse effect of;

a- vancomycin

b- chloramphenicol

c- amiodarone

d- cyclophosphamide

e- quinidine

935. In an oncology care center, a doctor prescribes to a patient 110 mg/m² of a certain anticancerous agent for the management of his neck cancer. As a pharmacist, calculate the appropriate dose for this patient? 

(Weight of the patient is 85 Kilos and Body Surface Area is 1.6 m²)

a- 110 mg

b- 1100 mg

c- 176 mg

d- 1760 mg

e- 9350 mg

936. If we classify the antifungal drugs based on their mechanism of action, which agent will belong to the class of nucleic acid synthesis inhibitors?

a- terbinafine

b- flucytosine

c- nystatin

d- caspofungin 

e- clotrimazole

937. At a pharmacy, you receive a prescription in which the physician has prescribed cetirizine tablets to the patient for some allergic condition. The correct dose of these tablets is;

a- 5 mg once daily

b- 10 mg once daily

c- 20 mg thrice daily

d- 150 mg twice daily

e- 250 mg twice daily

938. The statement that is not incorrect among the following is;

a- clavulanic acid irreversibly inhibits the 𝛃-lactamase enzyme

b- positive inotropic agents increase the heart rate

c- renin and angiotensinogenase are not the same

d- 5-fluorouracil has no antifungal activity

e- erythromycin is stable in the gastric environment

939. One of the following statements about drugs classifications is INCORRECT. Identify which one?

a- amiloride is a potassium-sparing diuretic

b- propranolol is an antiarrhythmic drug

c- trazodone is an antidepressant drug

d- bivalirudin is an antihemorrhagic drug

e- cyclopropane is a general anesthetic

940. Amethocaine is another name for;

a- procaine

b- tetracaine

c- benzocaine

d- dibucaine

e- bupivacaine

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Answer Keys

MCQ # - Correct option

921- c

922- a

923- e

924- c

925- e

926- c

927- d

928- e

929- a

930- b

931- e

932- d

933- a

934- c

935- c

936- b

937- b

938- a

939- d

940- b