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Pharm Princ, Ortho, EENT, Derm, Neuro, Psych, Urology, Resp, Endo QBank |500 questions with correct answers|
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Pharm Princ, Ortho, EENT, Derm, Neuro, Psych, Urology, Resp, Endo QBank |500 questions with correct answers|

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  • October 27, 2024
  • 69
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • pharm princ ortho eent derm neuro psych urol

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Pharm Princ, Ortho, EENT, Derm, Neuro, Psych,
Urology, Resp, Endo QBank |500 questions with
correct answers|
The amino acid found in dairy products, fish, and eggs is tyrosine. The
amino acid from which tyrosine is made is: Correct Answer-
Phenylalanine


Which of the following actions trigger a rise in membrane or action
potential of a cell? Correct Answer-Opening of the voltage gated sodium
ions


The fusion of the synaptic vessels to the presynaptic plasma membrane
is preceded by the influx of: Correct Answer-Calcium ions


The intentional pharmacologic blockade of synaptic nicotinic
acetylcholine receptor at the neuromuscular junction is often used to:
Correct Answer-Paralyze muscles in a patient who is intubated


A chemical synapse differs from an electrical synapse in that the signal
transmission: Correct Answer-Requires a neurotransmitter


Electrical synapse differs from a chemical synapse in that signal
transmission: Correct Answer-Can occur in both directions


The first pass effect contributes to the oral bioavailability of a drug by:
Correct Answer-Decreasing the amount of the drug that is actually

,delivered into the general circulation after passing through the
gastrointestinal system and the liver


The ratio of minimum effective concentration (MEC) to minimum toxic
concentration (MTC) of a drug is the: Correct Answer-Therapeutic
window


Which of the following is a neurotransmitter within the parasympathetic
nervous system? Correct Answer-Acetylcholine


The most common method by which drugs are chemically altered within
the liver is: Correct Answer-Oxidation


Which of the following enzymes does NOT affect the first pass effect of
an orally administered drug? Correct Answer-Salivary enzymes


The pharmacodynamics of a medication would not be affected by:
Correct Answer-Absorption


The primary site of drug metabolism is the: Correct Answer-liver


The signal transduction process that carries transmitters (ie steroid
hormones) to distant sites via the circulatory system is know as the:
Correct Answer-Endocrine

,After the drug is metabolized by the liver and enters the bile, it is most
likely to be: Correct Answer-Fecally excreted


The term not associated with the pharmacokinetics of a drug is: Correct
Answer-Pharmacodynamics


To elicit an effective bioavailability response, drugs with a high affinity
for a receptor site need to be delivered: Correct Answer-In lower doses


Therapeutic indices of a drug should be determined from a serum sample
obtained during: Correct Answer-At steady state of the drug


Neurotransmitters are considered: Correct Answer-Chemical substances


The protein-bound part of a drug is: Correct Answer-Inactive and acts as
a reservoir


Fick's Law of Diffusion describes drug mobility as the: Correct Answer-
Passive diffusion of non-ionized drugs down a concentration gradient
from an area of high concentration to low concentration


Acetylcholine works at the neuromuscular junction to activate Correct
Answer-Skeletal muscles


Which of the following is not a plasma protein that binds to medications
Correct Answer-Gamma globulins

, Which of the following is considered a inhibitory neurotransmitter:
Correct Answer-Glycine


Drugs that accumulate and tissues: Correct Answer-Keep blood levels
from decreasing rapidly


The ion that is most critical in the release of the neurotransmitter from
the presynaptic neuron is: Correct Answer-Calcium


The translocation of a drug from one side of the biological barrier to
another is not completed the process of: Correct Answer-Laxation


The change of charge within a cell membrane due to the influx of
sodium ions causes: Correct Answer-Depolarization


Pharmacodynamic interactions that occur when two drugs act on distinct
receptors is known as: Correct Answer-Heterodynamic competitors


The term that describes movement of a drug among parts of the body is:
Correct Answer-Distribution


The process by which cells ingest extracellular fluid and its contents,
including protein-bound medications, is known as: Correct Answer-
Pinocytosis

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