Difference between revisions of "Neuroanatomy quiz"

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neuroanatomy quiz/ 10
 
 
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Revision as of 15:21, 5 November 2009

1

What does the diencephalon consist of?

Please select an option Incorrect. The mesencephalon consists of the midbrain. The diencephalon consists of the thalamus and hypothalamus. WikiVet Article: Neurology glossary Incorrect. The myelencephalon consists of the medulla. The diencephalon consists of the thalamus and hypothalamus. WikiVet Article: Neurology glossary Incorrect. The telencephalon consists of the cerebral hemispheres. The diencephalon consists of the thalamus and hypothalamus. WikiVet Article: Neurology glossary Incorrect. The metencephalon consists of the cerebellum and pons. The diencephalon consists of the thalamus and hypothalamus. WikiVet Article: Neurology glossary Correct! The diencephalon consists of the thalamus and hypothalamus. WikiVet Article: Neurology glossary

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10

Which nerves innervate the flexor muscles of the carpal and digital joints?

Please select an option Incorrect. The radial nerve nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles and is Incorrect. The axillary nerve innervates the deltoid, major and minor teres and subscapular muscles. The correct answer is the median nerve which innervates the radial carpal flexor, superficial digital flexor, deep digital flexors and pronator muscles and the ulnar nerve which supplies the ulnar flexor and deep digital flexor muscles. WikiVet Article: Distal limb Correct. The median nerve innervates the radial carpal flexor, superficial digital flexor, deep digital flexors and pronator muscles. The ulnar nerve supplies the ulnar flexor and deep digital flexor muscles. WikiVet Article: Distal limb Incorrect. The musculocutaneous nerve supplies the biceps muscle and the axillary nerve innervates the deltoid, major and minor teres and subscapular muscles. The median nerve innervates the radial carpal flexor, superficial digital flexor, deep digital flexors and pronator muscles. The ulnar nerve supplies the ulnar flexor and deep digital flexor muscles. WikiVet Article: Distal limb Incorrect. The median nerve innervates the radial carpal flexor, superficial digital flexor, deep digital flexors and pronator muscles and is correct. However, the musculocutaneous nerve supplies the biceps muscle. The other correct nerve is the ulnar nerve which supplies the ulnar flexor and deep digital flexor muscles. WikiVet Article: Distal limb Incorrect. The ulnar nerve supplies the ulnar flexor and deep digital flexor muscles and is correct. However the radial nerve nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles and is Incorrect. The other correct nerve is the median nerve which innervates the radial carpal flexor, superficial digital flexor, deep digital flexors and pronator muscles.

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Neuroanatomy quiz/ 11

11

Physical regulation of appetite occurs via stretch receptors in the stomach wall. Information from these receptors travels to the brain via which nerve?

Please select an option Incorrect. The abducens nerve (cranial nerve VI) supplies some of the muscles of the eye ball (lateral rectus and retractor bulbi). The vagus nerve transmits information from stretch receptors in the stomach wall. WikiVet Article: forestomach innervation. Incorrect. The ilioinguinal nerve supplies the abdominal body wall in the region of the flank. The vagus nerve transmits information from stretch receptors in the stomach wall. WikiVet Article: forestomach innervation. Correct! The vagus nerve (cranial nerve X) has the most widespread distribution of any cranial nerve and carries parasympathetic fibres innervating many of the cervical, thoracic and abdominal viscera. WikiVet Article: forestomach innervation. Incorrect. The axillary nerve supplies the shoulder flexors, distal brachiocephalicus muscle and skin over the cranial aspect of the arm and forearm. The vagus nerve transmits information from stretch receptors in the stomach wall. WikiVet Article: forestomach innervation. Incorrect. The phrenic nerve supplies the diaphragm with both afferent and efferent fibres. The vagus nerve transmits information from stretch receptors in the stomach wall. WikiVet Article: forestomach innervation.

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Neuroanatomy quiz/ 12

2

Where is the micturition centre located?

Please select an option Incorrect. The micturition centre is located in the pons. It responds to sensory information from bladder stretch receptors by co-ordinating relaxation of the urethralis muscle along with detrusor contraction to produce emptying of the bladder. WikiVet Article: pons. Correct! The micturition centre is located in the pons. It responds to sensory information from bladder stretch receptors by co-ordinating relaxation of the urethralis muscle along with detrusor contraction to produce emptying of the bladder. WikiVet Article: pons. Incorrect. The micturition centre is located in the pons. It responds to sensory information from bladder stretch receptors by co-ordinating relaxation of the urethralis muscle along with detrusor contraction to produce emptying of the bladder. WikiVet Article: pons. Incorrect. The micturition centre is located in the pons. It responds to sensory information from bladder stretch receptors by co-ordinating relaxation of the urethralis muscle along with detrusor contraction to produce emptying of the bladder. WikiVet Article: pons. Incorrect. The micturition centre is located in the pons. It responds to sensory information from bladder stretch receptors by co-ordinating relaxation of the urethralis muscle along with detrusor contraction to produce emptying of the bladder. WikiVet Article: pons.

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Neuroanatomy quiz/ 4

4

Which nerve innervates the triceps brachii muscle?

Please select an option Incorrect. The axillary nerve innervates the flexors of the shoulder. The radial nerve innervates the extensors of the elbow i.e. the triceps brachii muscle and the tensor fasciae brachiae. It also innervates the extensors of the carpus and digits and the supinators. WikiVet Article: canine forelimb. Incorrect. The musculocutaneous nerve innervates the flexors of the elbow. The radial nerve innervates the extensors of the elbow i.e. the triceps brachii muscle and the tensor fasciae brachiae. It also innervates the extensors of the carpus and digits and the supinators. WikiVet Article: canine forelimb. Incorrect. The ulnar nerve innervates the flexors of the carpus and digits along with the median nerve. The radial nerve innervates the extensors of the elbow i.e. the triceps brachii muscle and the tensor fasciae brachiae. It also innervates the extensors of the carpus and digits and the supinators. WikiVet Article: canine forelimb. Correct! The radial nerve innervates the extensors of the elbow i.e. the triceps brachii muscle and the tensor fasciae brachiae. It also innervates the extensors of the carpus and digits and the supinator. WikiVet Article: canine forelimb. Incorrect. The median nerve innervates the flexors of the carpus and digits and the pronators. The radial nerve innervates the extensors of the elbow i.e. the triceps brachii muscle and the tensor fasciae brachiae. It also innervates the extensors of the carpus and digits and the supinators. WikiVet Article: canine forelimb.

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Neuroanatomy quiz/ 5

5

Which nerve innervates the quadriceps?

Please select an option Correct! The femoral nerve arises form the lumbosacral plexus and it innervates the quadriceps and iliopsoas muscle. WikiVet Article: hindlimb. Incorrect. The peroneal nerve is a branch of the sciatic nerve and it innervates the flexors of the hock and the extensors of the digits. The femoral nerve arises form the lumbosacral plexus and it innervates the quadriceps and iliopsoas muscle. WikiVet Article: hindlimb. Incorrect. The sciatic nerve innervates the biceps femoris, semintendinosus and semimembranosus muscles. The femoral nerve arises form the lumbosacral plexus and it innervates the quadriceps and iliopsoas muscle. WikiVet Article: hindlimb. Incorrect. The obturator muscles innervates the adductor muscles; external obturator, adductor and gracilis muscles. The femoral nerve arises form the lumbosacral plexus and it innervates the quadriceps and iliopsoas muscle. WikiVet Article: hindlimb. Incorrect. The tibial nerve is a branch of the sciatic nerve and it innervates the extensors of the hock, flexors of the digits, and the popliteal muscle. The femoral nerve arises form the lumbosacral plexus and it innervates the quadriceps and iliopsoas muscle. WikiVet Article: hindlimb.

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Neuroanatomy quiz/ 7

7

Which nerve innervates the semimembranosus muscle?

Please select an option Incorrect. The peroneal nerve is a branch of the sciatic nerve and it innervates the flexors of the hock and the extensors of the digits. The sciatic nerve innervates the biceps femoris, semintendinosus and semimembranosus muscles. WikiVet Article: hindlimb. Incorrect. The obturator muscles innervates the adductor muscles; external obturator, adductor and gracilis muscles. The sciatic nerve innervates the biceps femoris, semintendinosus and semimembranosus muscles. WikiVet Article: hindlimb. Incorrect. The gluteal nerve innervates the gluteal muscles, tensor fascia lata, biceps femoris and semitendinosus muscles. The sciatic nerve innervates the biceps femoris, semintendinosus and semimembranosus muscles. WikiVet Article: hindlimb. Correct! The sciatic nerve innervates the biceps femoris, semintendinosus and semimembranosus muscles. WikiVet Article: hindlimb. Incorrect. The femoral nerve innervates the quadriceps and iliopsoas muscle. The sciatic nerve innervates the biceps femoris, semintendinosus and semimembranosus muscles. WikiVet Article: hindlimb.

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Neuroanatomy quiz/ 8

8

Which nerve innervates the biceps brachii muscle?

Please select an option Incorrect. The ulnar nerve innervates the flexors of the carpus and digits along with the median nerve. The musculocutaneous nerve, from the brachial pelxus, innervates the flexors of the elbow i.e. the biceps brachii and brachialis muscles. WikiVet Article: canine forelimb. Incorrect. The radial nerve innervates the extensors of the elbow, carpus and digits and the supinators. The musculocutaneous nerve, from the brachial pelxus, innervates the flexors of the elbow i.e. the biceps brachii and brachialis muscles. WikiVet Article: canine forelimb. Incorrect. The median nerve innervates the flexors of the carpus and digits and the pronators. The musculocutaneous nerve, from the brachial pelxus, innervates the flexors of the elbow i.e. the biceps brachii and brachialis muscles. WikiVet Article: canine forelimb. Correct! The musculocutaneous nerve, from the brachial pelxus, innervates the flexors of the elbow i.e. the biceps brachii and brachialis muscles. WikiVet Article: canine forelimb. Incorrect. The axillary nerve innervates the flexors of the shoulder. The musculocutaneous nerve, from the brachial pelxus, innervates the flexors of the elbow i.e. the biceps brachii and brachialis muscles. WikiVet Article: canine forelimb.

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neuroanatomy quiz/ 9

9

Which nerve innervates the extensor muscles of the carpal and digital joints?

Please select an option Correct! The radial nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles. WikiVet Article: Distal limb Incorrect. The axillary nerve innervates the deltoid, major and minor teres and subscapular muscles. The radial nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles. WikiVet Article: Distal limb Incorrect. The median nerve innervates the radial carpal flexor, superficial digital flexor, deep digital flexors and pronator muscles. The radial nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles. WikiVet Article: Distal limb Incorrect. The ulnar nerve innervates the ulnar flexor and deep digital flexor muscles. The radial nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles. WikiVet Article: Distal limb Incorrect. The cutaneous antebrachial nerve has three branches, the caudal, medial and cranial. The cutaneous antebrachial nerve provides sensory innervation to the distal forelimb. The radial nerve has a craniolateral position and innervates the triceps, radial carpal extensor, lateral ulnar, supinator and common and lateral digital extensor muscles. WikiVet Article: Distal limb

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