Neurosensory System (Exam Mode) By Rnpedia.Com

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  • 1/20 Questions

    Which of the following ligaments is not found in the knee? 

    • Patellar ligament
    • Oblique popliteal ligament
    • Arcuate popliteal ligament
    • Deltoid ligament
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Mark the letter of the letter of choice then click on the next button. Score will be posted as soon as the you are done with the quiz. You got 24 minutes to finish the exam. Good luck!

Neurosensory System (Exam Mode) By Rnpedia.Com - Quiz

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  • 2. 

    Which of the following is not included in the femoral triangle? 

    • Femoral Artery

    • Femoral Nerve

    • Femoral Vein

    • Femoral Ligament

    Correct Answer
    A. Femoral Ligament
    Explanation
    The femoral triangle is a region in the upper thigh that contains the femoral artery, femoral vein, and femoral nerve. The femoral ligament, also known as the inguinal ligament, is not included in the femoral triangle. It is a fibrous band that runs from the anterior superior iliac spine to the pubic tubercle, forming the lower border of the triangle.

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  • 3. 

    Which of the following passageways contain the internal carotid artery? 

    • Foramen rotundum

    • Condylar canal

    • Foramen ovale

    • Carotid canal

    Correct Answer
    A. Carotid canal
    Explanation
    The carotid canal is the only passageway listed that contains the internal carotid artery. The foramen rotundum is a passageway for a branch of the trigeminal nerve, the condylar canal is a passageway for veins, and the foramen ovale is a passageway for a branch of the trigeminal nerve as well.

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  • 4. 

    Wrist extensors are primarily controlled by what nerve? 

    • Radial

    • Ulnar

    • Median

    • Tibial

    Correct Answer
    A. Radial
    Explanation
    The wrist extensors are primarily controlled by the radial nerve. The radial nerve innervates the muscles that extend the wrist and fingers, allowing for movements such as wrist extension and finger straightening. The ulnar nerve controls the muscles of the hand and is not primarily responsible for wrist extension. The median nerve primarily controls the muscles of the forearm and hand, but not specifically the wrist extensors. The tibial nerve is not involved in the control of the wrist extensors as it primarily innervates the muscles of the lower leg and foot.

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  • 5. 

    Which of the following supplies the muscles of the perineum? 

    • Pudendal nerve

    • Sciatic nerve

    • Femoral nerve

    • Tibial nerve

    Correct Answer
    A. Pudendal nerve
    Explanation
    The pudendal nerve supplies the muscles of the perineum. The perineum is the region between the anus and the external genitalia, and it contains several important muscles involved in urination, defecation, and sexual function. The pudendal nerve innervates these muscles, providing the necessary motor control and sensation for their proper function. The other nerves listed, such as the sciatic nerve, femoral nerve, and tibial nerve, do not specifically supply the muscles of the perineum.

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  • 6. 

    Which of the following is not a component of the carotid sheath? 

    • Cranial nerve X

    • Common carotid artery

    • Internal jugular vein

    • Cranial nerve IX

    Correct Answer
    A. Cranial nerve IX
    Explanation
    The carotid sheath is a connective tissue structure that surrounds and protects the common carotid artery, internal jugular vein, and cranial nerve X (vagus nerve). Cranial nerve IX (glossopharyngeal nerve) is not a component of the carotid sheath.

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  • 7. 

    Which of the following nerves innervates the deltoid? 

    • Radial

    • Cranial nerve XI

    • Subscapular

    • Axillary

    Correct Answer
    A. Axillary
    Explanation
    The axillary nerve innervates the deltoid muscle. It is a branch of the brachial plexus and provides motor innervation to the deltoid muscle, which is responsible for shoulder abduction. The other options listed are not innervators of the deltoid muscle.

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  • 8. 

    Which of the following arteries is the most frequent site of coronary artery stenosis? 

    • LCA

    • RCA

    • LAD

    • PD

    Correct Answer
    A. LAD
    Explanation
    The left anterior descending artery (LAD) is the most frequent site of coronary artery stenosis. This is because the LAD supplies a large portion of the left ventricle, which is the main pumping chamber of the heart. Any blockage or narrowing in the LAD can significantly reduce blood flow to the heart muscle, leading to symptoms such as chest pain or angina. Therefore, stenosis in the LAD is a common cause of coronary artery disease.

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  • 9. 

    Which of the following passageways contain the facial nerve and blood vessels? 

    • Stylomastoid foramin

    • Inferior orbital fissure

    • Foramen ovale

    • Carotid canal

    Correct Answer
    A. Stylomastoid foramin
    Explanation
    The stylomastoid foramen is the passageway that contains the facial nerve and blood vessels. The facial nerve, also known as cranial nerve VII, is responsible for controlling the muscles of facial expression. The blood vessels in this passageway supply oxygen and nutrients to the facial nerve and surrounding tissues. The other options listed do not contain the facial nerve and blood vessels. The inferior orbital fissure is a passageway for nerves and blood vessels related to the eye. The foramen ovale is a passageway for nerves and blood vessels related to the trigeminal nerve. The carotid canal is a passageway for the carotid artery, which supplies blood to the brain.

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  • 10. 

    Which of the following eye muscles rotates the eye downward and away from midline?

    • Inferior oblique

    • Superior oblique

    • Inferior rectus

    • Superior rectus

    Correct Answer
    A. Superior oblique
    Explanation
    The superior oblique muscle is responsible for rotating the eye downward and away from the midline. The other three muscles listed have different functions: the inferior oblique muscle rotates the eye upward and away from the midline, the inferior rectus muscle rotates the eye downward and toward the midline, and the superior rectus muscle rotates the eye upward and toward the midline.

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  • 11. 

     Adductor pollicis in the hand is controlled by which nerve? 

    • Radial

    • Ulnar

    • Median

    • Tibial

    Correct Answer
    A. Ulnar
    Explanation
    The adductor pollicis muscle is responsible for adducting the thumb towards the palm of the hand. It is innervated by the ulnar nerve, which is one of the major nerves in the hand. The ulnar nerve provides motor innervation to many muscles in the hand, including the adductor pollicis, as well as sensory innervation to the little finger and part of the ring finger. Therefore, the correct answer is ulnar.

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  • 12. 

    Which of the following is the most common site of disc herniation? 

    • C6-7

    • T12-L1

    • L4-5

    • L5-S1

    Correct Answer
    A. L5-S1
    Explanation
    The most common site of disc herniation is the L5-S1 level. This refers to the disc between the fifth lumbar vertebra and the first sacral vertebra in the lower back. Disc herniation occurs when the soft inner part of the disc protrudes through the outer layer, putting pressure on nearby nerves. The L5-S1 level is particularly susceptible to herniation due to the high amount of stress and movement it experiences. This can lead to symptoms such as lower back pain, leg pain, and numbness or weakness in the legs.

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  • 13. 

    Which of the following nerves is not directly linked to the L2-L3 spinal level? 

    • Tibial

    • Obturator

    • Femoral

    Correct Answer
    A. Tibial
    Explanation
    The tibial nerve is not directly linked to the L2-L3 spinal level. The tibial nerve arises from the sciatic nerve, which is formed by the L4-S3 spinal nerves. Therefore, it is not directly connected to the L2-L3 spinal level. In contrast, the obturator nerve arises from the L2-L4 spinal nerves, and the femoral nerve arises from the L2-L4 spinal nerves as well.

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  • 14. 

    Which of the following passageways contain the maxillary nerve and blood vessels? 

    • Stylomastoid foramin

    • Inferior orbital fissure

    • Foramen ovale

    • Carotid canal

    Correct Answer
    A. Inferior orbital fissure
    Explanation
    The maxillary nerve and blood vessels are contained in the inferior orbital fissure. This passageway is located in the skull and connects the middle cranial fossa with the pterygopalatine fossa. The maxillary nerve, which is a branch of the trigeminal nerve, passes through this fissure along with the maxillary artery and veins. The maxillary nerve provides sensory innervation to the upper teeth, upper gum, upper lip, and the skin of the cheek, while the maxillary artery supplies blood to the structures in this region.

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  • 15. 

    Which of the following nerves innervates the teres minor muscle? 

    • Subscapular nerve

    • Suprascapular nerve

    • Axillary nerve

    • Pectoral nerve

    Correct Answer
    A. Axillary nerve
    Explanation
    The axillary nerve innervates the teres minor muscle. The teres minor is one of the four muscles that make up the rotator cuff in the shoulder. It is responsible for external rotation and stabilization of the shoulder joint. The axillary nerve originates from the posterior cord of the brachial plexus and supplies motor innervation to the teres minor, as well as the deltoid muscle.

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  • 16. 

    Which of the following nerves innervates the pronator teres muscle? 

    • Radial

    • Median

    • Musculocutaneous

    • Ulnar

    Correct Answer
    A. Median
    Explanation
    The pronator teres muscle is innervated by the median nerve. This nerve originates from the brachial plexus and supplies motor and sensory innervation to the forearm and hand. The pronator teres muscle is responsible for pronating the forearm, which means rotating it so that the palm faces downwards. The median nerve runs alongside the pronator teres muscle and sends signals to control its movement.

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  • 17. 

    Which of the following is not a muscle identified in the rotator cuff? 

    • Teres Major

    • Teres Minor

    • Infraspinatus

    • Supraspinatus

    Correct Answer
    A. Teres Major
    Explanation
    The question asks for a muscle that is not identified in the rotator cuff. The rotator cuff is a group of muscles that stabilize the shoulder joint. The muscles identified in the rotator cuff are the teres minor, infraspinatus, and supraspinatus. The correct answer, Teres Major, is not a muscle identified in the rotator cuff.

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  • 18. 

    Which of the following is not a component of the unhappy triad? 

    • MCL

    • PCL

    • ACL

    • Medial Meniscus

    Correct Answer
    A. PCL
    Explanation
    The unhappy triad, also known as O'Donoghue's triad, is a knee injury that involves three components: the medial collateral ligament (MCL), the anterior cruciate ligament (ACL), and the medial meniscus. The posterior cruciate ligament (PCL) is not part of the unhappy triad.

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  • 19. 

    Which of the following eye muscles rotates the eye upward and toward midline? 

    • Inferior oblique

    • Superior oblique

    • Inferior rectus

    • Superior rectus

    Correct Answer
    A. Superior rectus
    Explanation
    The superior rectus muscle is responsible for rotating the eye upward and toward the midline. This muscle helps in elevating the eye and also contributes to medial rotation. The other muscles listed in the options have different functions. The inferior oblique muscle rotates the eye upward and away from the midline, the superior oblique muscle rotates the eye downward and away from the midline, and the inferior rectus muscle rotates the eye downward and toward the midline.

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  • 20. 

    Which of the following spinal dermatome level corresponds with the landmark of the inguinal ligament? 

    • T10

    • L1

    • L3

    • L5

    Correct Answer
    A. L1
    Explanation
    The inguinal ligament is a landmark located in the groin area. The spinal dermatome level that corresponds with this landmark is L1. Dermatomes are specific areas of skin that are innervated by a single spinal nerve. The L1 spinal nerve supplies sensation to the area where the inguinal ligament is located.

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  • Current Version
  • Mar 20, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 29, 2010
    Quiz Created by
    RNpedia.com
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