Question 1

Axons that cross from one side of the spinal cord to the other are found in the

Accepted Answer

A) anterior white columns. 
B) lateral gray horns. 
C) posterior gray horns. 
D) gray commissures. 
E) posterior white columns. 
A) anterior white columns. 
B) lateral gray horns. 
C) posterior gray horns. 
D) gray commissures. 
E) posterior white columns. D

Question 2

A few spiders produce a venom that is a calcium-channel blocker.Where would this venom have on nerve impulse transmission?

Accepted Answer

A) at the axon terminal 
B) at the axon hillock 
C) along the dendrite 
D) along the cell body membrane 
E) at the postsynaptic membrane 
A) at the axon terminal 
B) at the axon hillock 
C) along the dendrite 
D) along the cell body membrane 
E) at the postsynaptic membrane A

Question 3

Structure J is the

Accepted Answer

A) midbrain. 
B) medulla oblongata. 
C) cerebellum. 
D) basal ganglia. 
E) pons. 
A) midbrain. 
B) medulla oblongata. 
C) cerebellum. 
D) basal ganglia. 
E) pons. E

Question 4

The division of the autonomic nervous system that prepares the body for emergencies is the

Accepted Answer

A) sympathetic division. 
B) parasympathetic division. 
C) craniosacral division. 
D) arachnoid division. 
E) somatic motor division. 
A) sympathetic division. 
B) parasympathetic division. 
C) craniosacral division. 
D) arachnoid division. 
E) somatic motor division.

Question 5

The phrenic nerves arise from the

Accepted Answer

A) cervical plexus. 
B) thoracic plexus. 
C) lumbar plexus. 
D) sacral plexus. 
E) brain. 
A) cervical plexus. 
B) thoracic plexus. 
C) lumbar plexus. 
D) sacral plexus. 
E) brain.

Question 6

The glial cells responsible for maintaining the blood-brain barrier are the

Accepted Answer

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

Question 7

Interneurons

Accepted Answer

A) are found only in the central nervous system. 
B) carry only sensory impulses. 
C) carry only motor impulses. 
D) only connect motor neurons to other motor neurons. 
E) are found between neurons and their effectors. 
A) are found only in the central nervous system. 
B) carry only sensory impulses. 
C) carry only motor impulses. 
D) only connect motor neurons to other motor neurons. 
E) are found between neurons and their effectors.

Question 8

Structure B is the

Accepted Answer

A) lateral sulcus. 
B) precentral gyrus. 
C) cerebral aqueduct. 
D) central sulcus. 
E) postcentral gyrus. 
A) lateral sulcus. 
B) precentral gyrus. 
C) cerebral aqueduct. 
D) central sulcus. 
E) postcentral gyrus.

Question 9

Which of the following pairs is not properly matched?

Accepted Answer

A) cervical spinal nerves: 8 
B) thoracic spinal nerves: 12 
C) lumbar spinal nerves: 4 
D) sacral spinal nerves: 5 
E) coccygeal spinal nerves: 1 
A) cervical spinal nerves: 8 
B) thoracic spinal nerves: 12 
C) lumbar spinal nerves: 4 
D) sacral spinal nerves: 5 
E) coccygeal spinal nerves: 1

Question 10

The region of the brain that is involved in conscious thought and intellectual function as well as processing somatic sensory and motor information is the

Accepted Answer

A) medulla. 
B) pons. 
C) midbrain. 
D) cerebellum. 
E) cerebrum. 
A) medulla. 
B) pons. 
C) midbrain. 
D) cerebellum. 
E) cerebrum.

Question 11

The lobe containing the general interpretive area is labeled

Accepted Answer

A) P. 
B) B. 
C) M. 
D) H. 
E) C. 
A) P. 
B) B. 
C) M. 
D) H. 
E) C.

Question 12

The cranial nerve that has three branches is the

Accepted Answer

A) abducens. 
B) facial. 
C) vagus. 
D) trigeminal. 
E) glossopharyngeal. 
A) abducens. 
B) facial. 
C) vagus. 
D) trigeminal. 
E) glossopharyngeal.

Question 13

Most neurons lack centrioles.This observation explains

Accepted Answer

A) why neurons grow such long axons. 
B) why such neurons cannot divide through mitosis. 
C) the conducting ability of neurons. 
D) the ability of neurons to communicate with each other. 
E) the longevity of neurons. 
A) why neurons grow such long axons. 
B) why such neurons cannot divide through mitosis. 
C) the conducting ability of neurons. 
D) the ability of neurons to communicate with each other. 
E) the longevity of neurons.

Question 14

The resting potential of a neuron is

Accepted Answer

A) 0 mV. 
B) +10 mV. 
C) -70 mV. 
D) -10 mV. 
E) +70 mV. 
A) 0 mV. 
B) +10 mV. 
C) -70 mV. 
D) -10 mV. 
E) +70 mV.

Question 15

The primary motor cortex of the cerebrum is located in the

Accepted Answer

A) cerebellum. 
B) precentral gyrus. 
C) pons. 
D) lateral sulcus. 
E) postcentral gyrus. 
A) cerebellum. 
B) precentral gyrus. 
C) pons. 
D) lateral sulcus. 
E) postcentral gyrus.

Question 16

Which neuroglial cells produce CSF in some regions of the brain?

Accepted Answer

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

Question 17

Effects produced by the parasympathetic branch of the autonomic nervous system include

Accepted Answer

A) dilation of the pupils. 
B) increased secretion by digestive glands. 
C) dilation of respiratory passages. 
D) increased heart rate. 
E) increased tissue metabolism. 
A) dilation of the pupils. 
B) increased secretion by digestive glands. 
C) dilation of respiratory passages. 
D) increased heart rate. 
E) increased tissue metabolism.

Question 18

There are ________ pairs of spinal nerves.

Accepted Answer

A) 6 
B) 8 
C) 10 
D) 12 
E) 31 
A) 6 
B) 8 
C) 10 
D) 12 
E) 31

Question 19

Which of the following occurs from spinal segments T1 to L2?

Accepted Answer

A) Sympathetic postganglionic fibers join the dorsal root of each spinal nerve. 
B) Parasympathetic postganglionic fibers join the dorsal root of each spinal nerve. 
C) Sympathetic postganglionic fibers join the ventral root of each spinal nerve. 
D) Parasympathetic preganglionic fibers join the ventral root of each spinal nerve. 
E) Sympathetic preganglionic fibers join the ventral root of each spinal nerve. 
A) Sympathetic postganglionic fibers join the dorsal root of each spinal nerve. 
B) Parasympathetic postganglionic fibers join the dorsal root of each spinal nerve. 
C) Sympathetic postganglionic fibers join the ventral root of each spinal nerve. 
D) Parasympathetic preganglionic fibers join the ventral root of each spinal nerve. 
E) Sympathetic preganglionic fibers join the ventral root of each spinal nerve.

Question 20

Structure G divides the ________ and ________ cerebral lobes.

Accepted Answer

A) frontal; occipital 
B) parietal; frontal 
C) temporal; occipital 
D) temporal; parietal 
E) parietal; occipital 
A) frontal; occipital 
B) parietal; frontal 
C) temporal; occipital 
D) temporal; parietal 
E) parietal; occipital

Axons that cross from one side of the spinal cord to the other are found in the

A few spiders produce a venom that is a calcium-channel blocker.Where would this venom have on nerve impulse transmission?

Structure J is the

The division of the autonomic nervous system that prepares the body for emergencies is the

The phrenic nerves arise from the

The glial cells responsible for maintaining the blood-brain barrier are the

Interneurons

Structure B is the

Which of the following pairs is not properly matched?

The region of the brain that is involved in conscious thought and intellectual function as well as processing somatic sensory and motor information is the

The lobe containing the general interpretive area is labeled

The cranial nerve that has three branches is the

Most neurons lack centrioles.This observation explains

The resting potential of a neuron is

The primary motor cortex of the cerebrum is located in the

Which neuroglial cells produce CSF in some regions of the brain?

Effects produced by the parasympathetic branch of the autonomic nervous system include

There are ________ pairs of spinal nerves.

Which of the following occurs from spinal segments T₁ to L₂?

Structure G divides the and cerebral lobes.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters

Exam 8: The Nervous System

Axons that cross from one side of the spinal cord to the other are found in the

A few spiders produce a venom that is a calcium-channel blocker.Where would this venom have on nerve impulse transmission?

Structure J is the

The division of the autonomic nervous system that prepares the body for emergencies is the

The phrenic nerves arise from the

The glial cells responsible for maintaining the blood-brain barrier are the

Interneurons

Structure B is the

Which of the following pairs is not properly matched?

The region of the brain that is involved in conscious thought and intellectual function as well as processing somatic sensory and motor information is the

The lobe containing the general interpretive area is labeled

The cranial nerve that has three branches is the

Most neurons lack centrioles.This observation explains

The resting potential of a neuron is

The primary motor cortex of the cerebrum is located in the

Which neuroglial cells produce CSF in some regions of the brain?

Effects produced by the parasympathetic branch of the autonomic nervous system include

There are ________ pairs of spinal nerves.

Which of the following occurs from spinal segments T1 to L2?

Structure G divides the ________ and ________ cerebral lobes.

An Introduction to Anatomy and Physiology

The Chemical Level of Organization

Cell Structure and Function

The Tissue Level of Organization

The Integumentary System

The Skeletal System

The Muscular System

The General and Special Senses

The Endocrine System

The Cardiovascular System: Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels and Circulation

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Metabolism and Energetics

The Urinary System

The Reproductive System

Development and Inheritance

Filters

Which of the following occurs from spinal segments T₁ to L₂?

Structure G divides the and cerebral lobes.