spinal cord

e) s1 and c6

A child was in a diving accident. When brought into the emergency room, the doctor used sharp and blunt objects to determine if there was any sensation on the bottom of the foot and the lateral aspect of their palm. The child stated they could not feel the stimulus in either area. What nerves were most likely damaged? a) L3 and C8. b) L5 and C6 c) S2 and T1 d) C7 and L4 e) S1 and C6

c) F

A gymnast has damaged their hip flexor muscles. The nerve that innervates these muscles arise from which group of spinal nerves in this diagram above? a) A b) C c) F d) H e) I

a) A

Christopher Reeve, a famous actor and competitive equestrian, suffered fractures to the top two vertebra and could not breathe without the help of a respirator. Which of the nerves in this diagram were likely damaged? a) A b) C c) D d) E e) G

d) H

If you had a rash on the anterior surface of your trunk, what labeled structure, on the image above, would serve the muscles and skin of that area? a) B b) C c) G d) H e) F

e) G

In the diagram which structure contains nerve roots that arise from the lumbar, sacral, and coccygeal region of the spinal cord? a) C b) D c) E d) F e) G

e) H

In this diagram above where would somatic motor nuclei be located? a) B b) C c) E d) F e) H

c) G

In this diagram above which area is continuous with the 4th ventricle of the brain? a) A b) B c) G d) J e) I

a) E

In this diagram above which structure is the conus medullaris? a) E b) F c) G d) H e) I

d) H

In this diagram above, where is structure that located between the subdural and subarachnoid space? a) E b) F c) G d) H e) I

e) !

In this diagram above, which layer is the thickest protective covering? a) E b) F c) G d) H e) I

a) b c) d e) i

In this diagram where are tracts located? Select all that apply. a) B b) C c) D d) E e) I

a) e

In this diagram, where is the space that contains a buoyant liquid to form a hydraulic cushion that absorbs shock? a) E b) F c) G d) H e) I

c) G

In this diagramabove, where is the structure that adheres to the spinal cord and brain? a) E b) F c) G d) H e) I

d) G e) H

Which of the labeled structures contains both sensory and motor axons? Select all that apply. a) D b) B c) C d) G e) H

a) A

Which of the labeled structures,on the image above, allows doctors to safely introduce antibiotics or anesthetics and measure CSF pressure? a) A b) E c) D d) A e) H

c) F

Which of the labeled structures,on the image above, would receive injections to cause loss of sensation to control pain in childbirth? a) B b) C c) F d) G e) H

Intercostal nerves can be described by what statements below? Select all that apply a) are also known as thoracic nerves b) do not enter into a plexus c) extend through the sacrum d) are formed from the posterior rami e) are important in controlling the diaphragm

a) are also known as thoracic nerves b) do not enter into a plexus

Sensory information travels to the brain via a) Ascending tracts b) Descending tracts c) Integration tracts d) Anterior roots e) Direct motor pathways

a) ascending tracts

Which of the following lists the connective tissue coverings of theaxons, fascicles, and entire nerve in the correct order? a) endoneurium, perineurium, epineurium b) endoneurium, epineurium, perineurium c) perineurium, epineurium, endoneurium d) epineurium, endoneurium, perineurium

a) endoneurium, perineurium, epineurium

The cell bodies of the neurons that carry information from the periphery to the spinal cord are structurally classified as [dropdown 1] and functionally classified as [dropdown 2] and their cell bodies are located in [dropdown 3]. Dropdown 1 & 2 choices: a)Sensory b)Motor c)Integrative

a) sensory

Spinal nerves ___ 1. Are part of the PNS. 2. connect the CNS to sensory receptors and effectors in all parts of the body. 3. are named according to the region of the vertebral column from which they emerge. 4. are mixed nerves. 5. only transmit sensory information. 6. only transmit motor information. a) 1, 2, 3 b) 1, 2, 3, 4 c) 1, 3, 6 d) 1 and 3 e) 1, 2, 3, 4

b) 1,2,3,4

A nerve impulse initiated at a muscle spindle has to travel through which of the following structures to enter the integrating center? a) Anterior root of spinal nerve b) Posterior root of spinal nerve c) Tectospinal tract d) Gray commissure e) Lateral reticulospinal tract

b) posterior root of spinal nerves

The cell bodies of the neurons that carry information from the periphery to the spinal cord are structurally classified as [dropdown 1] and functionally classified as [dropdown 2] and their cell bodies are located in [dropdown 3]. Dropdown 3 choices: a)anterior gray horn b)anterior root c)dorsal root ganglion d)lateral gray horn e)posterior gray horn

c) dorsal root ganglion

Denticulate ligaments are thickenings of __ a)arachnoid mater b)dura mater c)pia mater

c) pia matter

Why is a spinal tap performed below L2 of the spinal cord? a) The spinal cord is present ensuring there will be a subarachnoid space present. b) The spinal meninges and spinal cord are not present, ensuring no damage to the nervous system. c) The spinal meninges and spaces extend passed the proper spinal cord, allowing fluid to be withdrawn with a minimal risk of damage to the spinal cord. d) There is more space between the vertebrae in a flexed position below L2. e) The supracristal line is the only way to determine placement of the needle in spinal taps.

c) the spinal meninges and spaces extend passed the proper spinal cord, allowing fluid to be withdrawn with a minimal risk of damage to spinal cord

What parts of a neuron within a nerve is/are wrapped in a protective endoneurium? 1. Myelinated axon 2. Unmyelinated axon 3. Dendrites a) 1 only b) 2 only c) 3 only d) Both 1 and 2 e) 1, 2 and 3

d) both 1 and 2

Which branch of a spinal nerve serves the deep muscles and skin of the posterior surface of the trunk? a) Meningeal branch b) Rami communicantes c) Intercostal nerve d) Posterior ramus e) Anterior ramus

d) posterior ramus

If these structures were severed, the nerve impulses from pain and stretch receptors would not reach the CNS. a) white columns b) gray horns c) anterior root of spinal nerves d) posterior root of spinal nerves e) rami communicantes

d) posterior root of spinal nerves