Question 1

In vertebrates, what does the CNS consist of?

Accepted Answer

A) the brain and grey matter 
B) the brain and the spinal cord 
C) the brain and reflexes 
D) the spinal cord and grey matter 
A) the brain and grey matter 
B) the brain and the spinal cord 
C) the brain and reflexes 
D) the spinal cord and grey matter

Question 2

Which of the following neuron locations have the greatest density of voltage-gated Na+ channels, thus resulting in the lowest threshold potential along a neuron?

Accepted Answer

A) the axon terminals 
B) the cell bodies 
C) the dendrites 
D) the axon hillocks 
A) the axon terminals 
B) the cell bodies 
C) the dendrites 
D) the axon hillocks

Question 3

Match each term with its description.
-EPSP

Accepted Answer

A) electrical potential difference across a plasma membrane 
B) subthreshold change in membrane potential toward the threshold potential of a neuron 
C) membrane potential of an excitable membrane when it is not being stimulated 
D) subthreshold change in membrane potential away from the threshold potential of a neuron 
E) abrupt, transient change in membrane potential, consisting of membrane depolarization followed by repolarization
F)minimum membrane potential required to form an action potential
G)any subthreshold change in membrane potential whose effects are additive 
A) electrical potential difference across a plasma membrane 
B) subthreshold change in membrane potential toward the threshold potential of a neuron 
C) membrane potential of an excitable membrane when it is not being stimulated 
D) subthreshold change in membrane potential away from the threshold potential of a neuron 
E) abrupt, transient change in membrane potential, consisting of membrane depolarization followed by repolarization
F)minimum membrane potential required to form an action potential
G)any subthreshold change in membrane potential whose effects are additive

Exam 43: Control of Animal Processes: Neural Control

In vertebrates, what does the CNS consist of?

Which of the following neuron locations have the greatest density of voltage-gated Na+ channels, thus resulting in the lowest threshold potential along a neuron?

Match each term with its description. -EPSP

Light and Life

The Cell: an Overview

Defining Life and Its Origins

Energy and Enzymes

Cell Membranes and Signalling

Cellular Respiration

Photosynthesis

Cell Cycles

Genetic Recombination

Mendel, Genes, and Inheritance

Genes, Chromosomes, and Human Genetics

Dna Structure, Replication, and Organization

Gene Structure and Expression

Control of Gene Expression

Dna Technologies

Genomes and Proteomes

Evolution: the Development of the Theory

Microevolution: Changes Within Populations

Species and Macroevolution

Understanding the History of Life on Earth

Humans and Evolution

Bacteria and Archaea

Viruses, Viroids, and Prions: Infectious Biological Particles

Protists

Fungi

Plants

Diversity of Animals 1: Sponges, Radiata, Platyhelminthes, and Protostomes

Diversity of Animals 2: Deuterostomes: Vertebrates and Their Closest Relatives

Population Ecology

Population Interactions and Community Ecology

Ecosystems

Conservation of Biodiversity

Putting Selection to Work

Organization of the Plant Body

Transport in Plants

Reproduction and Development in Flowering Plants

Plant Nutrition

Plant Signals and Responses to the Environment

Introduction to Animal Organization and Physiology

Transport in Animals: the Circulatory System

Reproduction in Animals

Animal Development

Control of Animal Processes: Neural Control

Control of Animal Processes: Neural Integration

Muscles, Skeletons, and Body Movements

Animal Behaviour

Animal Nutrition

Gas Exchange: the Respiratory System

Regulating the Internal Environment

Defences Against Disease

Conservation and Evolutionary Physiology

Filters

Which of the following neuron locations have the greatest density of voltage-gated Na⁺ channels, thus resulting in the lowest threshold potential along a neuron?