Question 1

List the three major factors that contribute to the creation of the resting membrane potential in excitable cells.

Accepted Answer

The major factors that lead to creation

Question 2

Which of the types of circuits is commonly used to send sensory signals to multiple areas of the brain?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 3

This structure electrically insulates the axon of a neuron to increase the speed of nerve impulse conduction.

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 4

What specific type of unipolar neuron is shown in the diagram labeled B?

Accepted Answer

A) Type I cutaneous mechanoreceptor (Merkel disc) 
B) Corpuscle of touch (Meissner corpuscle) 
C) Lamellated (Pacinian)corpuscle 
D) nociceptor 
E) Purkinje cell 
A) Type I cutaneous mechanoreceptor (Merkel disc) 
B) Corpuscle of touch (Meissner corpuscle) 
C) Lamellated (Pacinian)corpuscle 
D) nociceptor 
E) Purkinje cell

Question 5

List the three ways that neurotransmitters can be removed from a synapse.

Accepted Answer

Neurotransmitters ca

Question 6

Which of the following structures is labeled B in the diagram?

Accepted Answer

A) axon terminal 
B) trigger zone 
C) cell body 
D) peripheral process 
E) dendrites 
A) axon terminal 
B) trigger zone 
C) cell body 
D) peripheral process 
E) dendrites

Question 7

Which of the following types of neurons have one axon and one dendrite emerging from the cell body and are found in the retina of the eye,inner ear,and olfactory region of the brain?

Accepted Answer

A) bipolar neuron 
B) multipolar neuron 
C) unipolar neuron 
D) nonpolar neuron 
E) pseudounipolar 
A) bipolar neuron 
B) multipolar neuron 
C) unipolar neuron 
D) nonpolar neuron 
E) pseudounipolar

Question 8

Name the type of membrane channel that opens in response to chemical binding and is found in dendrites of some sensory receptors like pain receptors,and in the dendrites and cell bodies of interneurons and motor neurons.

Accepted Answer

A) leakage channel 
B) ligand-gated channels 
C) mechanically gated channels 
D) voltage-gated channels 
E) pressure-sensitive channel 
A) leakage channel 
B) ligand-gated channels 
C) mechanically gated channels 
D) voltage-gated channels 
E) pressure-sensitive channel

Question 9

In the process of spatial summation,_____ are added together and _____ are subtracted from that total to determine whether _____ will be created at the trigger zone of the postsynaptic neuron.

Accepted Answer

A) EPSPs;IPSPs;action potentials 
B) IPSPs;EPSPs;action potentials 
C) EPSPs;IPSPs;graded potentials 
D) IPSPs;action potentials;EPSPs 
E) EPSPs;action potentials;IPSPs 
A) EPSPs;IPSPs;action potentials 
B) IPSPs;EPSPs;action potentials 
C) EPSPs;IPSPs;graded potentials 
D) IPSPs;action potentials;EPSPs 
E) EPSPs;action potentials;IPSPs

Question 10

Which type of circuit is involved in solving mathematical problems?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
A) A 
B) B 
C) C 
D) D

Question 11

During the resting state of a voltage-gated Na+ channel,
1)the inactivation gate is open.
2)the activation gate is closed.
3)the channel is permeable to Na+.

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) both 1 and 2 are true. 
E) all of these choices are true. 
A) 1 only 
B) 2 only 
C) 3 only 
D) both 1 and 2 are true. 
E) all of these choices are true.

Question 12

This part of a neuron contains the nucleus and cytoplasm of the Schwann's cell that has formed a myelin sheath around the axon.

Accepted Answer

A) C 
B) D 
C) E 
D) F 
E) G 
A) C 
B) D 
C) E 
D) F 
E) G

Question 13

What factors limit neurogenesis in the CNS of adults?

Accepted Answer

Neurogenesis in adults is limi

Question 14

Which of the labeled cells in the diagram is a neuroglial cell that forms and maintains the myelin sheath around CNS axons?

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) F 
A) A 
B) B 
C) C 
D) D 
E) F

Question 15

In the CNS,this structure is produced by oligodendrocytes.

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Exam 12: Nervous Tissue

List the three major factors that contribute to the creation of the resting membrane potential in excitable cells.

Which of the types of circuits is commonly used to send sensory signals to multiple areas of the brain?

This structure electrically insulates the axon of a neuron to increase the speed of nerve impulse conduction.

What specific type of unipolar neuron is shown in the diagram labeled B?

List the three ways that neurotransmitters can be removed from a synapse.

Which of the following structures is labeled B in the diagram?

Which of the following types of neurons have one axon and one dendrite emerging from the cell body and are found in the retina of the eye,inner ear,and olfactory region of the brain?

Name the type of membrane channel that opens in response to chemical binding and is found in dendrites of some sensory receptors like pain receptors,and in the dendrites and cell bodies of interneurons and motor neurons.

In the process of spatial summation,_____ are added together and _____ are subtracted from that total to determine whether _____ will be created at the trigger zone of the postsynaptic neuron.

Which type of circuit is involved in solving mathematical problems?

During the resting state of a voltage-gated Na+ channel, 1)the inactivation gate is open. 2)the activation gate is closed. 3)the channel is permeable to Na+.

This part of a neuron contains the nucleus and cytoplasm of the Schwann's cell that has formed a myelin sheath around the axon.

What factors limit neurogenesis in the CNS of adults?

Which of the labeled cells in the diagram is a neuroglial cell that forms and maintains the myelin sheath around CNS axons?

In the CNS,this structure is produced by oligodendrocytes.

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System Unit Ii: Principles of Support and Movement

The Skeletal System: Bone Tissue

The Skeletal System: the Axial Skeleton

The Skeletal System: the Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System Unit Iii: Control Systems of the Human Body

The Spinal Cord and Spinal Nerves

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System Unit Iv: Maintenance of the Human Body

The Cardiovascular System: the Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Hemodynamics

The Lymphatic System, Nonspecific Resistance to Disease, and Immunity

The Respiratory System

The Digestive System

Metabolism

The Urinary System

Fluid, Electrolyte, and Acid-Base Homeostasis Unit V: Continuity

The Reproductive Systems

Development and Inheritance

Filters

In the process of spatial summation,___ are added together and _ are subtracted from that total to determine whether ___ will be created at the trigger zone of the postsynaptic neuron.

During the resting state of a voltage-gated Na⁺ channel, 1)the inactivation gate is open. 2)the activation gate is closed. 3)the channel is permeable to Na⁺.