PS/NE 333 Exam 1 Review

Front

Drug A has a lower therapeutic index (TI) compared to Drug B. Which drug is safer?

Back

Drug B is safer

Front

Which of the following does NOT pass through the cell membrane easily? Lipophilic molecules, Hydrophobic molecules, Charged molecules, Small polar molecules

Back

Charged molecules

Front

The extent to which a drug becomes completely available to its intended biological destination(s) is called:

Back

bioavailability

Front

Which is the correct order of rate of absorption, from fastest to slowest? Intravenous, Intraperitoneal, Intramuscular, Subcutaneous

Back

Intravenous -> Intraperitoneal -> Intramuscular -> Subcutaneous

Front

Where in the body does the first pass metabolism take place?

Back

Liver

Front

Psychoactive drugs can pass through the Blood Brain Barrier

Back

True

Front

The ____ is an index of how long the process from absorption to elimination takes

Back

half life

Front

In the neuron, information flows from dendrites to the cell body

Back

False

Front

Which of the following improves the speed and conduction of the action potential in a neuron? Node of Ranvier, Myelin Sheath, Synaptic Vesicles, Potassium Ions

Back

Myelin Sheath

Front

______ binds to the same site as the neurotransmitter and blocks the effect of the neurotransmitter

Back

Competitive antagonist