Question 1

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

Accepted Answer

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

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

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

Accepted Answer

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

Question 6

Postsynaptic potentials are a type of _______ potential.

Accepted Answer

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

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

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

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

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

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

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

Postsynaptic potentials are a type of _______ potential.