Ch_13-SpinalCord

1. What is the most superficial of the three spinal meninges? A. Cranial Meninges B. Dura Mater C. Epidural Space D. Spinal Meninges

2. A patient has to have a Lumbar spinal tab. What are the layer of meninges and spaces that you will go throught in order from superficial to deep. A. Subarachnoid space, arachnoid mater, subdural space, dura mater, and epidural space B. Epidural space, dura mater, subdural space, arachnoid mater, and subarachnoid mater C. Pia mater, epidural space, dura mater, subarachnoid space, arachnoid mater, and subdural space D. none of the above

3. True or False Denticulate ligaments extend the length of the spinal cord are pia mater thinkenings fuse with arachnoid mater and dura mater and help to protect the spinal cord from shock and sudden displacement.

4. True or False Cervical plexus provides the nerve supply of skin and muscles of the head, neck, and superior part of the shoulders and chest, formed by the anterior rami of C1-C4 with some contribution by C5, the phrenic nerve arises from this plexus, and an injury to the plexus can affict breathing.

5. In the stretch reflex, sensory nerve impulses enter the spinal cord on the same side from which motor nerve impulses leave it. This arrangement is called A. a polysynaptic reflex arc B. an ipsilateral reflex C. an intersegmental reflex arc D. withdrawal reflex

6. What is the name of the portion of the spinal cord that contains autonomic motor nuclei that regulate the activity of cardiac muscle, smooth muscle and glands? A. Anterior white commissure B. central canal C. posterior median sulcus D. lateral gray horns

7. Which is not typically caused by an injury to nerves emerging from the brachial plexus? A. wrist drop B. Erb-Duchenne palsy C. Bell’s palsy D. winged scapula

8. A polysynaptic reflex contains sensory neurons, interneurons, and motor neurons. Which of the following is not an example of a polysynaptic reflex? A) Tendon reflex B) Flexor reflex C) Crossed extensor reflex D) Stretch reflex

9. The gray matter in the spinal cord is divided into __(BLANK)__, and the white matter into __(BLANK)__. A) Columns; horns B) Columns; central canals C) Horns; columns D) Horns; central canals

10. During Ann's pregnancy, the head of her baby continually put pressure on the nerve. Which type of nerve injury would Ann most likely have? A). obturator nerve injury B). femoral nerve injury C). radial nerve injury D). median nerve injury E). ulnar nerve injury

11.In adults the spinal cord ends at L4 A. true B. false

12. Damage to cord above C3 causes respiratory arrest. A. true B. false

13. Ulnar nerve innervates thumb side of hand. A. true B. false

14. During this procedure, the patient lies on the side with the vertebral column flexed as in asuming the fetal position. What procedure is being done? A. cervical enlargement B. filum terminale C. lumbar puncture D. none of the above

15. Amanda has loss of sensation over her little fnger.She is suffering from A. claw hand B. wrist drop C. claw finger D. median nerve injury

16. Shingles is an acute infection of the PNNS caused by herpes zoster, the virus that also causes chicken-pox.After a person recovers from chichen pox ,the virus retreats to the posterior root varicosity.If the virus is reactivated, the immune system usually prevents it from spreading.From time to time, however, the reactivated virus overcomes a weakened immune system, leave the varicosity,and travels down sensory neurons of the skin by fast axonal transport. The result is pain, discolorationof the skin, and characteristic line of skin blisters.The line of blisters marks the distribution (dermatome)of the particular cutaneous sensory nerve belonging to the infected posterior root variscosity. A.TRUE B.FALSE

17.The only one spinal nerve without a corrisponding dermatome is C1. A.TRUE B.FALSE

18. Each posterior root has a swelling called posterior(dorsal ) root varicosity or ganglion, which contains the cell bodies of the sensory neurons. A.TRUE B.FALSE

19. RESPONDS TO A PAINFUL STIMULUS AND IS CLASSIFIED AS AN INTERSEGMENTAL REFLEX ARC ? A. FLEXOR REFLEX B. CROSSED EXTENSOR REFLEX C. CONTRALATERAL RELEX ARC D. STRECH REFLEX

20. T/F. INJURE TO C1-C3, WILL RESULT IN NO BODILY FUNCTION MAINTAINED FROM THE NECK DOWN.

21. Out of the five nerve disorders resulting from injury to the brachial plexus, which one has damage due to delivery of a baby? A. Erb-Duchene palsy B. wrist drop C. klumphe's palsy D. winged scapula E. all the above

22. If Sally were to step outside on a cool autumn day, which tract in her spinal cord would send this sensory information to her brain? a. Rubrospinal b. Cuneate Fasciculus c. Spinothalamic d. Corticobulbar 23. Jayla touched a hot stove. She immediately pulled her arm back and screamed to the top of her lungs! Which reflex is this an example of ? a. tendon reflex b. crossed extensor reflex c. flexor withdrawal reflex d. brachial reflex 24. Mr. Adams was brought to the ER with multiple stab wounds to his upper torso. he later informed the doctor that he had no feeling in his arms. The doctor told him he has damage to his nerves of the lumbar plexus. Is his diagnosis accurate? a. True- and can be treated with medication and extensive rehabilitation b. False- he has damage to nerves of the brachial plexus

25. What is the name of the structure labeled 1?

A. Anterior spinal nerve B. Lateral spinal nerve C. Spinal ganglion D. Posterior spinal nerve

26. The descending tracts of the spinal cord carry what type of information?

A. Sensory B. Both A and B C. Motor D. Integration

27. A 26 y/o male was in a car accident. When the paramedics arrived on scene the crash victim was not moving and becoming cyanotic, but still appeared to have a slight level of consciousness. After endotrachial intubation and transfer over to the hospital, further review of his MRI indicated an injury to one of the patients cervical vertebrae. Which section of cervical vertebrae was his injury most likely located?

A. Above C-2 B. Below C-5 C. C-7 D. Between C-3 and C-5

28. Jessica had a spinal tap done to check her cerebrospinal fluid for infection. Which color on the diagram represents where the needle was inserted to perform this procedure.



A. Dark grey B. Green C. Light grey D. Red E. Blue

29. The intercostal muscles have their own specific plexus of nerves to help coordinate the complex function of breathing.

A. true B. false

30,_ __separates the two hemispheres of the cerebrum.__


 * 1) Falx Cerebri
 * 2) Tentorium Cerebelli
 * 3) Falx Cerebelli

__ 31. What is the letter B pointing to in the picture below? __



__ A. Posterior Median Sulcus __ __ B.Anterior Median Sulcus __ __ C.Posterior Median Fissure __ __ D.Anterior Median Fissure __ __ E. None of the above __

__32. What is letter E pointing to?__ __A. Pia Mater__ __B.Arachnoid__ __C.Subarachnoid space__ __D. Dura Mater__ __E. None of the above__ __33.if i signaled you with a light what involuntary motor tract would be used ?__ __a. tectospinal__ __b.rubrospinal__ __c.vestibulospinal__ __d. direct__ __34.what nerves keeps the diaphram alive ?__ __a.phrenic nerve__ __b.septic nereve__ __c.spinal nerve__ __d. cranial nerve__

__35. A patient has cancer, the Doctor's are going to do a spinal tap procedure to administer chemotherapy. During this procedure, the Doctor will safely insert a needle from L3 to L5 to withdraw cerebrospinal fluid, What space is the needle inserted?__ __A. cerebrospinal space__ __B. subarachnoid space__ __C. subdural space__ __D. epidural space__

__36. Jackson gets into a severe motorcycle accident and damages the cord above C3, what nerve does Jackson damage that causes respiratory arrest?__

__A. phrenic nerve__ __B. a thoracic nerve__ __C. axillary nerve__ __D. median nerve__

__37. A pregnant women had thigh pains, she went to the Doctor and he told her a specific nerve the baby was laying on to cause this pain. What was the nerve the baby was lying on?__

__A. tibial nerve__ __B. phrenic nerve__ __C. sciatic nerve__ __D. fibular nerve__

__38. After Jessie had knee surgery to repair her anterior cruciate ligament, she loss sensation from the injection of anesthesia. What causes this loss of sensation?__

__A. Nerve Block__ __B. Neuritis__ __C. Neuralgia__ __D. Free nerve endings__

39. The anterior spinothalamic tract conveys nerve impulses from the _ __to the__ _ and is thus considered a/n _ __tract.__

__A. Spinal cord; hypothalamus; sensory__ __B. Spinal cord; thalamus; motor__ __C. Hypothalamus; spinal cord; motor__ __D. Thalamus; spinal cord; sensory__ __E. Spinal cord; thalamus; sensory__

__ 40. This contains only sensory axons that conduct nerve impulses from sensory receptors in the skin, muscles and internal organs into the CNS. __ __ A. Central canal __ __ B. Anterior root __ __ C. Spinal nerves __ __ D. Posterior root __

__ 41. Which part of a reflux arc would have a cell body in the posterior root? __ __ A. Effector __ __ B. Motor neuron __ __ C. Sensory neuron __ __ D. Sensory receptor __

__ 42. A typical spinal nerve has how many connections to the cord? __ __ A. 5 __ __ B. 7 __ __ C. 4 __ __ D. 2 __

__ 43. __

__Danielle has a small infant daughter. She can test to see if her reflexes are working with many different reflex test. Which test is the palpation of the lateral outer margin of the sole?__ __A. Stretch Reflex__ __B. Grasp Reflex__ __C. Babinski Reflex__ __D. Rooting Reflex__

__44. A stretch reflex causes the effector to contract in response to stretching of the muscle. Because this type of reflex pathway has only one synapse in the CNS, it is also considered__ __.__

__A. A polysnaptic reflex arc__ __B. An ipsilateral reflex__ __C. A contralateral reflex__ __D. An intersegmental reflex arc__ __E. A crossed extensor reflex__

__ 45. True or False. __ __Autonomic reflexes involve skeletal muscle effectors.__

__46. When a complete transaction of the spinal cord occurs at C2, respiratory arrest occurs because__.

A. A nerve associated with C1 is responsible for diaphragm function B. A nerve associated with C1 maintains lung function C. A major nerve associated with the region from C3-C5 is responsible for diaphragm function D. A major nerve associated with the region from C3-C5 maintains lung funtion E. A nerve associated with the region from L1-L2 maintains cardiac funtion

47. What is the area of the skin that provides sensory input to the CNS via posterior roots of one pair of spinal nerves or via the trigeminal nerve? A. Rubrospinal Tract B. Dermatome C. Femoral Nerve D. Central Canal

48. If a patient comes into the emergency room and has injured his spine at C3, what is first main concern for the patient? A. the patient may never walk again B. the patient is paralyzed from the waist down C. the patient is experiencing respiratory arrest D. the patient’s eye sight is affected

49. What is a human’s typical response to a sudden pain(like stepping on a tac)? A. to flex B. to jump C. to extend the leg D. to ignore the pain and continue walking

50. This statement is false “Monoplegia is paralysis of both lower limbs” and which one makes it true. A. is paralysis of both upper limbs or both lower limbs B. is paralysis of one limb only. C. is paralysis of all four limbs D. is paralysis of the upper limb, trunk, and lower limb on one side of the body 51.True or False Spinal shock is an immediate response to spinal cord injury characterized by temporary areflexia. A.True B.False

Answers 1.B 2.B  3. True 4. True 5. B 6. D  7. C  8. D  9. C  10. A 11. B 12. A 13. B 14. C 15. A 16.B  17.A  18.B  19. A 20. TRUE 21. A 22. C 23. C 24.B  25. C 26. C 27. A 28. E 29. B 30.A  31.D 32.B 33.a 34.a 35. B 36. A 37. C 38. A 39. E 40. D 41. D 42. D 43. C 44. B 45. F 46. C 47. B 48. C 49. A 50.B 51.A