Deck 1: Principles of Pharmacology, Structure and Function of the Nervous System

Question 1

Neural transmission is generally _______ within a single neuron and _______ between neurons.

A) chemical; electrical
B) electrical; electrical
C) electrical; chemical
D) chemical; chemical

Answer 1

electrical; chemical

Question 2

Postsynaptic potentials are a type of _______ potential.

A) action
B) local
C) resting
D) equilibrium

Answer 2

local

Question 3

At the equilibrium potential, the two forces acting on ions are in balance. These forces are the _______ and the _______.

A) Na⁺/K⁺ pump; threshold
B) Na⁺/K⁺ pump; electrostatic gradient
C) concentration gradient; action potential
D) concentration gradient; electrostatic gradient

Answer 3

concentration gradient; electrostatic gradient

Question 4

Excitatory postsynaptic potentials are generally caused by _______ channels opening, while inhibitory postsynaptic potentials may be caused by _______ channels opening.

A) Na⁺; Cl^-
B) K⁺; Cl^-
C) Ca²⁺; K⁺
D) Cl^-; K⁺

Question 5

What kind of information is carried by the ventral roots of the spinal cord?

A) Sensory information from muscles and skin
B) Proprioceptive information from joints and muscles
C) Motor information to muscles
D) Motor and sensory information

Question 6

The _______ administration of oxytocin has been proposed as a treatment for autism.

A) intravenous
B) oral
C) intranasal
D) intracerebral