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Drug Biology VCU Exam 1 Practice Questions and Answers

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  • VCU 2025
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  • VCU 2025

Drug Biology VCU Exam 1 Practice Questions and Answers Which is not a parasympathetic activation? a. SLUDE b. bronchial constriction c. miosis d. all of the above - ANSWER-all of the above T/F: acetylcholine binds at the neuromuscular junction. - ANSWER-true Which receptors bind acetylcholi...

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  • October 30, 2024
  • 25
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • VCU 2025
  • VCU 2025
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FIRST PUBLISH OCTOBER 2024




Drug Biology VCU Exam 1 Practice

Questions and Answers


Which is not a parasympathetic activation?


a. SLUDE


b. bronchial constriction


c. miosis


d. all of the above - ANSWER✔✔-all of the above


T/F: acetylcholine binds at the neuromuscular junction. - ANSWER✔✔-true


Which receptors bind acetylcholine?


a. muscarinic


b. nicotinic


c. both


d. none - ANSWER✔✔-muscarinic and nicotinic


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, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




Which of the following is true about acetylcholine?


a. it has a 3ºN and is charged


b. it has a 3ºN and is not charged


c. it has a 4ºN and is charged


d. it has a 4ºN and is not charged - ANSWER✔✔-it has a 4ºN and is charged


Does acetylcholine have CNS effects? (Does it cross the blood brain barrier?) - ANSWER✔✔-no


What enzyme rapidly breaks down acetylcholine? - ANSWER✔✔-acetylcholinesterase


How does the botulism toxin cause paralysis? - ANSWER✔✔-breaks down SNAREs


What kind of environments grow Clostridium botulinum? - ANSWER✔✔-anaerobic, low salt, basic


What is onabotulinumtoxin A used for? - ANSWER✔✔-treating movement disorders and achalasia


True or false: nicotinic acetylcholine receptors are ligand-gated ion channels? - ANSWER✔✔-true


What a nicotinic acetylcholine receptor is activated, ____ comes in and ________ occurs. - ANSWER✔✔-

Na+, depolarization


Nicotine has a _______ and (is/is not) charged. - ANSWER✔✔-3ºN, is not



Page 2/25

, ©EMILLECT 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




Does nicotine have CNS effects? (Does it cross the blood brain barrier?) - ANSWER✔✔-yes


Which of the following illnesses are part of the Smoker's Paradox?


a. ADHD


b. Chrohn's


c. Arthritis


d. Schitzophrenia - ANSWER✔✔-schizophrenia


What type of receptor is the muscarinic acetylcholine receptor? - ANSWER✔✔-g-protein coupled

receptor


Which of the following is an agonist for muscarinic receptors?


a. muscarine


b. epinephrine


c. norepinephrine


d. multiple - ANSWER✔✔-muscarine


What happens when an agonist binds to a muscarinic receptor?


a. increased heart rate

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