Question 1

Describe the cross-sectional anatomy of the spinal cord.

Accepted Answer

No Answer

Question 2

What type of information is carried in the descending tracts of the spinal cord??1.Sensory?2.Motor?3.Integration

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) Both 1 & 2 
E) Both 2 & 3 
A) 1 only 
B) 2 only 
C) 3 only 
D) Both 1 & 2 
E) Both 2 & 3 B

Question 3

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

Accepted Answer

A) Lumbar enlargement 
B) Cervical enlargement 
C) Conus medullaris 
D) Cauda equina 
E) Obturator nerve 
A) Lumbar enlargement 
B) Cervical enlargement 
C) Conus medullaris 
D) Cauda equina 
E) Obturator nerve B

Question 4

Which portion of the spinal cord contains cell bodies and axons of interneurons as well as incoming axons of sensory neurons?

Accepted Answer

A) B 
B) C 
C) D 
D) H 
E) I 
A) B 
B) C 
C) D 
D) H 
E) I

Question 5

Which of the following nerves is labeled E in the diagram?

Accepted Answer

A) phrenic nerve 
B) ulnar nerve 
C) intercostal nerve 
D) femoral nerve 
E) tibial nerve 
A) phrenic nerve 
B) ulnar nerve 
C) intercostal nerve 
D) femoral nerve 
E) tibial nerve

Question 6

This branch of a spinal nerve serves the deep muscles and skin of the posterior surface of the trunk.

Accepted Answer

A) Meningeal branch 
B) Rami communicantes 
C) Brachial plexus 
D) Posterior ramus 
E) Anterior ramus 
A) Meningeal branch 
B) Rami communicantes 
C) Brachial plexus 
D) Posterior ramus 
E) Anterior ramus

Question 7

Spinal nerves?1.Are parts of PNS.?2.connect the CNS to sensors and effectors in all parts of the body.?3.are named according to the region of the cord from which they emerge.

Accepted Answer

A) 1 only 
B) 2 only 
C) 3 only 
D) both 1 & 3 
E) 1,2 & 3 
A) 1 only 
B) 2 only 
C) 3 only 
D) both 1 & 3 
E) 1,2 & 3

Question 8

The nerve labeled A in the diagram arises from which plexus?

Accepted Answer

A) cervical plexus 
B) brachial plexus 
C) lumbar plexus 
D) sacral plexus 
E) coccygeal plexus 
A) cervical plexus 
B) brachial plexus 
C) lumbar plexus 
D) sacral plexus 
E) coccygeal plexus

Question 9

Which of the following spinal nerves DOES NOT travel through an intervertebral foramen to reach its destination?

Accepted Answer

A) cervical spinal nerve 1 
B) thoracic spinal nerve 12 
C) lumbar spinal nerve 2 
D) sacral spinal nerve 1 
E) cervical spinal nerve 7 
A) cervical spinal nerve 1 
B) thoracic spinal nerve 12 
C) lumbar spinal nerve 2 
D) sacral spinal nerve 1 
E) cervical spinal nerve 7

Question 10

Both the gracile fasciculus and cuneate fasciculus are ________ tracts found in the ______ white column of the spinal cord.

Accepted Answer

A) ascending;posterior 
B) descending;anterior 
C) ascending;anterior 
D) descending;posterior 
E) descending;lateral 
A) ascending;posterior 
B) descending;anterior 
C) ascending;anterior 
D) descending;posterior 
E) descending;lateral

Question 11

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

Accepted Answer

A) Lumbar enlargement 
B) Cervical enlargement 
C) Conus medullaris 
D) Cauda equina 
E) Obturator nerve 
A) Lumbar enlargement 
B) Cervical enlargement 
C) Conus medullaris 
D) Cauda equina 
E) Obturator nerve

Question 12

Which of the labeled structures carries exclusively sensory information towards the spinal cord?

Accepted Answer

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

Question 13

Where is the pia mater?

Accepted Answer

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

Question 14

The area of the skin that provides sensory input to the CNS via one pair of spinal nerve is called

Accepted Answer

A) a dermatome. 
B) a microtome. 
C) perineurium. 
D) a fascicle. 
E) an epitome. 
A) a dermatome. 
B) a microtome. 
C) perineurium. 
D) a fascicle. 
E) an epitome.

Question 15

What spinal cord feature is the area where the nerves that supply the lower limb emerge?

Accepted Answer

A) Lumbar enlargement 
B) Filum terminale 
C) Cauda equina 
D) Cranial nerve XII 
E) Cervical enlargement 
A) Lumbar enlargement 
B) Filum terminale 
C) Cauda equina 
D) Cranial nerve XII 
E) Cervical enlargement

Question 16

Which nerve labeled in the diagram does NOT arise from any plexus?

Accepted Answer

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

Question 17

A reflex pathway having only one synapse in the CNS is called a

Accepted Answer

A) visceral reflex arc. 
B) somatic reflex arc. 
C) polysynaptic reflex arc. 
D) autonomic reflex arc. 
E) none of these choices 
A) visceral reflex arc. 
B) somatic reflex arc. 
C) polysynaptic reflex arc. 
D) autonomic reflex arc. 
E) none of these choices

Question 18

Identify and describe the function of each of the components of a spinal reflex arc.

Accepted Answer

The answer of Identify and describe the function of each...

Question 19

A typical spinal nerve has how many connections to the spinal cord?

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 4 
E) 5 
A) 1 
B) 2 
C) 3 
D) 4 
E) 5

Question 20

The structure labeled F in the diagram belongs to which group of spinal nerves?

Accepted Answer

A) cervical nerves 
B) thoracic nerves 
C) lumbar nerves 
D) sacral nerves 
E) coccygeal nerves 
A) cervical nerves 
B) thoracic nerves 
C) lumbar nerves 
D) sacral nerves 
E) coccygeal nerves

Exam 13: The Spinal Cord and Spinal Nerves

Describe the cross-sectional anatomy of the spinal cord.

What type of information is carried in the descending tracts of the spinal cord??1.Sensory?2.Motor?3.Integration

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

Which portion of the spinal cord contains cell bodies and axons of interneurons as well as incoming axons of sensory neurons?

Which of the following nerves is labeled E in the diagram?

This branch of a spinal nerve serves the deep muscles and skin of the posterior surface of the trunk.

Spinal nerves?1.Are parts of PNS.?2.connect the CNS to sensors and effectors in all parts of the body.?3.are named according to the region of the cord from which they emerge.

The nerve labeled A in the diagram arises from which plexus?

Which of the following spinal nerves DOES NOT travel through an intervertebral foramen to reach its destination?

Both the gracile fasciculus and cuneate fasciculus are ________ tracts found in the ______ white column of the spinal cord.

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

Which of the labeled structures carries exclusively sensory information towards the spinal cord?

Where is the pia mater?

The area of the skin that provides sensory input to the CNS via one pair of spinal nerve is called

What spinal cord feature is the area where the nerves that supply the lower limb emerge?

Which nerve labeled in the diagram does NOT arise from any plexus?

A reflex pathway having only one synapse in the CNS is called a

Identify and describe the function of each of the components of a spinal reflex arc.

A typical spinal nerve has how many connections to the spinal cord?

The structure labeled F in the diagram belongs to which group of spinal nerves?

An Introduction to the Human Body

The Chemical Level of Organization

The Cellular Level of Organization

The Tissue Level of Organization

The Integumentary System

The Skeletal System: Bone Tissue

The Skeletal System: The Axial Skeleton

The Skeletal System: The Appendicular Skeleton

Joints

Muscle Tissue

The Muscular System

Nervous Tissue

The Brain and Cranial Nerves

The Autonomic Nervous System

Sensory, Motor and Integrative Systems

The Special Senses

The Endocrine System

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 Digestive System

Metabolism

The Urinary System

The Reproductive Systems

Development and Inheritance

Filters

Both the gracile fasciculus and cuneate fasciculus are __ tracts found in the white column of the spinal cord.