45. Nervous System

A certain toxin blocks voltage-gated potassium (K^+) channels in neurons. What is the likely impact of this toxin on the resting potential of a neuron?

Short fibers that branch out from the cell body and receive incoming messages are called:

Which of the following best describes the function of a motor neuron (indicated by the letter A) in the nervous system?

Which term refers to an event that activates a neuron and begins an action potential?

Which of the following is a similarity between a hair cell and a typical neuron?

Which nutrient is directly involved in the generation of action potentials in neurons by contributing to the depolarization phase?

How does a neuron transport enzymes produced in the neurosoma to its axon terminals?

Which part of a neuron contains vesicles that house neurotransmitters?

Which of the following best describes the sequence of ion movements during the depolarization phase of an action potential in a neuron?

Neurons are cells that are involved in __________.

Which of the following types of neurons is likely to propagate an action potential the fastest?

In which part of a neuron is the nucleus located?

A large number of dopamine-releasing neurons are found in the __________.

Which of the following types of neurons would normally have the shortest axon?

In a monosynaptic synapse, how many synapses occur between the afferent and efferent neuron?