Question 1

Glial cells that surround the neurons in ganglia are

Accepted Answer

A) astrocytes. 
B) satellite cells. 
C) oligodendrocytes. 
D) microglia. 
E) ependymal cells. 
A) astrocytes. 
B) satellite cells. 
C) oligodendrocytes. 
D) microglia. 
E) ependymal cells.

Question 2

The equilibrium potential for potassium ion occurs at approximately

Accepted Answer

A) -90 mV. 
B) -70 mV. 
C) +66 mV. 
D) 0 mV. 
E) +30 mV. 
A) -90 mV. 
B) -70 mV. 
C) +66 mV. 
D) 0 mV. 
E) +30 mV.

Question 3

After a stroke,what type of glial cell accumulates within the affected brain region?

Accepted Answer

A) Schwann cells 
B) satellite cells 
C) oligodendrocytes 
D) microglia 
E) ependymal cells 
A) Schwann cells 
B) satellite cells 
C) oligodendrocytes 
D) microglia 
E) ependymal cells

Question 4

The neurilemma of axons in the peripheral nervous system is formed by

Accepted Answer

A) astrocytes. 
B) satellite cells. 
C) oligodendrocytes. 
D) microglia. 
E) Schwann cells. 
A) astrocytes. 
B) satellite cells. 
C) oligodendrocytes. 
D) microglia. 
E) Schwann cells.

Question 5

________ provide information about the external environment.

Accepted Answer

A) Spinal nerves 
B) Anaxonic neurons 
C) Internoceptors 
D) Exteroceptors 
E) Proprioceptors 
A) Spinal nerves 
B) Anaxonic neurons 
C) Internoceptors 
D) Exteroceptors 
E) Proprioceptors

Question 6

Clusters of RER and free ribosomes in neurons are called

Accepted Answer

A) neurofilaments. 
B) neurofibrils. 
C) perikaryon. 
D) Nissl bodies. 
E) microglia. 
A) neurofilaments. 
B) neurofibrils. 
C) perikaryon. 
D) Nissl bodies. 
E) microglia.

Question 7

The separation of positive and negative charges across the membrane creates a ________ difference,or voltage.

Accepted Answer

A) thermodynamic 
B) permeability 
C) dialysis 
D) electrochemical 
E) potential 
A) thermodynamic 
B) permeability 
C) dialysis 
D) electrochemical 
E) potential

Question 8

Which of the following is not a recognized structural classification for neurons?

Accepted Answer

A) anaxonic 
B) bipolar 
C) multipolar 
D) pseudopolar 
E) unipolar 
A) anaxonic 
B) bipolar 
C) multipolar 
D) pseudopolar 
E) unipolar

Question 9

A change in the conditions in the synaptic terminal can influence the soma as a result of ________ transport.

Accepted Answer

A) anterograde 
B) retrograde 
C) osmotic 
D) active 
E) passive 
A) anterograde 
B) retrograde 
C) osmotic 
D) active 
E) passive

Question 10

The cytoplasm that surrounds the nucleus of a neuron is called the

Accepted Answer

A) protoplasm. 
B) nucleoplasm. 
C) sarcoplasm. 
D) neuroplasm. 
E) perikaryon. 
A) protoplasm. 
B) nucleoplasm. 
C) sarcoplasm. 
D) neuroplasm. 
E) perikaryon.

Question 11

Cholinergic synapses release the neurotransmitter

Accepted Answer

A) norepinephrine. 
B) adrenalin. 
C) serotonin. 
D) acetylcholine. 
E) GABA. 
A) norepinephrine. 
B) adrenalin. 
C) serotonin. 
D) acetylcholine. 
E) GABA.

Question 12

The axon is connected to the soma at the

Accepted Answer

A) telodendria. 
B) synaptic terminal. 
C) collaterals. 
D) axon hillock. 
E) synapse. 
A) telodendria. 
B) synaptic terminal. 
C) collaterals. 
D) axon hillock. 
E) synapse.

Question 13

At a(n)________ synapse,a neurotransmitter is released to stimulate the postsynaptic membrane.

Accepted Answer

A) electrical 
B) cell 
C) chemical 
D) osmotic 
E) gap 
A) electrical 
B) cell 
C) chemical 
D) osmotic 
E) gap

Question 14

Which of the following is not a possible drug effect on synaptic function?

Accepted Answer

A) interfere with neurotransmitter synthesis 
B) interfere with neurotransmitter reuptake 
C) prevent neurotransmitter inactivation 
D) block neurotransmitter binding to receptors 
E) change the type of receptor found in the postsynaptic membrane 
A) interfere with neurotransmitter synthesis 
B) interfere with neurotransmitter reuptake 
C) prevent neurotransmitter inactivation 
D) block neurotransmitter binding to receptors 
E) change the type of receptor found in the postsynaptic membrane

Question 15

Voltage-gated channels are present

Accepted Answer

A) at the motor end plate. 
B) on the surface of dendrites. 
C) in the membrane that covers axons. 
D) on the soma of neurons. 
E) along the perikaryon of neurons. 
A) at the motor end plate. 
B) on the surface of dendrites. 
C) in the membrane that covers axons. 
D) on the soma of neurons. 
E) along the perikaryon of neurons.

Question 16

The efferent division of the peripheral nervous system innervates ________ cells.

Accepted Answer

A) skeletal muscle 
B) smooth muscle 
C) heart muscle 
D) glandular 
E) All of the answers are correct. 
A) skeletal muscle 
B) smooth muscle 
C) heart muscle 
D) glandular 
E) All of the answers are correct.

Question 17

If the sodium-potassium pumps in the plasma membrane fail to function,all of the following occur except

Accepted Answer

A) the intracellular concentration of potassium ions will increase. 
B) the neuron will slowly depolarize. 
C) the membrane will slowly lose its capacity to generate action potentials. 
D) the inside of the membrane will have a resting potential that is more positive than normal. 
E) the intracellular concentration of sodium ions will increase. 
A) the intracellular concentration of potassium ions will increase. 
B) the neuron will slowly depolarize. 
C) the membrane will slowly lose its capacity to generate action potentials. 
D) the inside of the membrane will have a resting potential that is more positive than normal. 
E) the intracellular concentration of sodium ions will increase.

Question 18

The ion that triggers the release of acetylcholine into the synaptic cleft is

Accepted Answer

A) sodium. 
B) potassium. 
C) calcium. 
D) chloride. 
E) magnesium. 
A) sodium. 
B) potassium. 
C) calcium. 
D) chloride. 
E) magnesium.

Question 19

The basic functional unit of the nervous system is the

Accepted Answer

A) neuron. 
B) axon. 
C) nerve. 
D) glial cell. 
E) receptor. 
A) neuron. 
B) axon. 
C) nerve. 
D) glial cell. 
E) receptor.

Question 20

During repolarization of a neuron

Accepted Answer

A) sodium ions move out of the cell. 
B) potassium ions move out of the cell. 
C) potassium ions move into the cell. 
D) both sodium and potassium ions move into the cell. 
E) sodium ions move into the cell. 
A) sodium ions move out of the cell. 
B) potassium ions move out of the cell. 
C) potassium ions move into the cell. 
D) both sodium and potassium ions move into the cell. 
E) sodium ions move into the cell.

Exam 12: Neural Tissue

Glial cells that surround the neurons in ganglia are

The equilibrium potential for potassium ion occurs at approximately

After a stroke,what type of glial cell accumulates within the affected brain region?

The neurilemma of axons in the peripheral nervous system is formed by

________ provide information about the external environment.

Clusters of RER and free ribosomes in neurons are called

The separation of positive and negative charges across the membrane creates a ________ difference,or voltage.

Which of the following is not a recognized structural classification for neurons?

A change in the conditions in the synaptic terminal can influence the soma as a result of ________ transport.

The cytoplasm that surrounds the nucleus of a neuron is called the

Cholinergic synapses release the neurotransmitter

The axon is connected to the soma at the

At a(n)________ synapse,a neurotransmitter is released to stimulate the postsynaptic membrane.

Which of the following is not a possible drug effect on synaptic function?

Voltage-gated channels are present

The efferent division of the peripheral nervous system innervates ________ cells.

If the sodium-potassium pumps in the plasma membrane fail to function,all of the following occur except

The ion that triggers the release of acetylcholine into the synaptic cleft is

The basic functional unit of the nervous system is the

During repolarization of a neuron

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

Osseous Tissue and Bone Structure

The Axial Skeleton

The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

The Spinal Cord, spinal Nerves, and Spinal Reflexes

The Brain and Cranial Nerves

Sensory Pathways and the Somatic Nervous System

The Autonomic Nervous System and Higher-Order Functions

The Special Senses

The Endocrine System

Blood

The Heart

Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

Fluid, electrolyte, and Acid-Base Balance

The Reproductive System

Development and Inheritance

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