Ch 13 Brainstem 2 - Eye Movements & Pupillary Control

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Frage 1 von 33

Which muscles are innervated by CN III - Occulomotor n.?

Wähle eine oder mehr der folgenden:

Medial Rectus m.
Superior Rectus m.
Inferior Rectus m.
Inferior Oblique m.
Superior Oblique m.
Lateral Rectus m.

Erklärung

Frage 2 von 33

Which muscles are innervated by CN IV - Trochlear n.?

Wähle eine oder mehr der folgenden:

Superior Oblique m.
Lateral Rectus m.
Medial Rectus m.
Superior Rectus m.
Inferior Rectus m.
Inferior Oblique m.

Erklärung

Frage 3 von 33

Which muscles are innervated by CN VI - Abducens n.?

Wähle eine oder mehr der folgenden:

Lateral Rectus m.
Medial Rectus m.
Superior Rectus m.
Inferior Rectus m.
Inferior Oblique m.
Superior Oblique m.

Erklärung

Frage 4 von 33

AD-Duction

Wähle eine der folgenden:

Medial Rectus m.
Inferior Rectus m.
Superior Rectus m.
Inferior Oblique m.
Superior Oblique m.
Lateral Rectus m.

Erklärung

Frage 5 von 33

Depression and Extorsion;
Depression increases with AB-Duction

Wähle eine der folgenden:

Inferior Rectus m.
Medial Rectus m.
Superior Rectus m.
Inferior Oblique m.
Superior Oblique m.
Lateral Rectus m.

Erklärung

Frage 6 von 33

Elevation and Intorsion;
Elevation Increases with AB-Duction

Wähle eine der folgenden:

Superior Rectus m.
Inferior Rectus m.
Medial Rectus m.
Inferior Oblique m.
Superior Oblique m.
Lateral Rectus m.

Erklärung

Frage 7 von 33

Elevation and Extorsion;
Elevation increases with AD-Duction

Wähle eine der folgenden:

Inferior Oblique m.
Superior Oblique m.
Lateral Rectus m.
Medial Rectus m.
Inferior Rectus m.
Superior Rectus m.

Erklärung

Frage 8 von 33

Depression and Intorsion;
Depression increases with AD-Duction

Wähle eine der folgenden:

Superior Oblique m.
Lateral Rectus m.
Medial Rectus m.
Inferior Rectus m.
Superior Rectus m.
Inferior Oblique m.

Erklärung

Frage 9 von 33

AB-Duction

Wähle eine der folgenden:

Lateral Rectus m.
Medial Rectus m.
Inferior Rectus m.
Superior Rectus m.
Inferior Oblique m.
Superior Oblique m.

Erklärung

Frage 10 von 33

Oculomotor Palsy is characterized by which form of double vision?

Wähle eine der folgenden:

Diagonal Diplopia
Vertical Diplopia
Horizontal Diplopia

Erklärung

Frage 11 von 33

Trochlear Palsy is characterized by which form of double vision?

Wähle eine der folgenden:

Vertical Diplopia
Diagonal Diplopia
Horizontal Diplopia

Erklärung

Frage 12 von 33

Abducens Palsy is characterized by which form of double vision?

Wähle eine der folgenden:

Horizontal Diplopia
Diagonal Diplopia
Vertical Diplopia

Erklärung

Frage 13 von 33

Label the Image depicting the pathways controlling horizontal eye movements.

Ziehe eine Antwort zum richtigen orangen Punkt.

Lateral Rectus m.

Medial Rectus m.

CN VI

CN III

Oculomotor Nucleus

Medial Longitudinal Fasciculus (MLF)

Abducens Nucleus

Paramedian Pontine Reticular Formation

CN II

CN IV

Erklärung

Frage 14 von 33

What are the symptoms of Lesion 1?

Wähle eine der folgenden:

R Abducens Palsy
R Lateral Gaze Palsy
Left INO
1 1/2 Syndrome

Erklärung

Frage 15 von 33

What are the symptoms of Lesion 2?

Wähle eine der folgenden:

R Abducens Palsy
R Lateral Gaze Palsy
Left INO
1 1/2 Syndrome

Erklärung

Frage 16 von 33

What are the symptoms of Lesion 3?

Wähle eine der folgenden:

R Abducens Palsy
R Lateral Gaze Palsy
Left INO
1 1/2 Syndrome

Erklärung

Frage 17 von 33

What are the symptoms of Lesion 4?

Wähle eine der folgenden:

R Abducens Palsy
R Lateral Gaze Palsy
Left INO
1 1/2 Syndrome

Erklärung

Frage 18 von 33

What are the symptoms of Lesion 5?

Wähle eine der folgenden:

R Abducens Palsy
R Lateral Gaze Palsy
Left INO
1 1/2 Syndrome

Erklärung

Frage 19 von 33

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The nuclei located in the Upper Midbrain at the level of the Superior Colliculi and Red Nuclei, just ventral to the Periaqueductal Gray Matter is called the ( Oculomotor, Trochlear, Abducens ) Nuclei and corresponds to CN ( III, IV, VI ).

Erklärung

Frage 20 von 33

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The nuclei located in the Lower Midbrain at the level of the Inferior Colliculi and the decussation of the Superior Cerebellar Peduncle is the ( Trochlear, Oculomotor, Abducens ) Nuclei which corresponds with CN ( IV, III, VI ).

Erklärung

Frage 21 von 33

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The nucleus located in the Floor of 4th Ventricle under the Facial Colliculi in the Mid-to-lower Pons is the ( Abducens, Trochlear, Oculomotor ) Nucleus which corresponds to CN ( VI, III, IV ).

Erklärung

Frage 22 von 33

These are the possible causes of what condition?

-Mechanical problems (i.e. Orbital fracture)
-Disorders of the extraocular muscles (i.e. Thyroid disease)
-Disorders of the neuromuscular junction (i.e. Myasthenia gravis)
-Disorders of CN III, IV, VI and their pathways

Wähle eine der folgenden:

Diplopia
Ptosis
Mydriasis
Horner’s Syndrome
Pseudoptosis

Erklärung

Frage 23 von 33

Patient presents with their left eye in the "Down and Out Position" and slight Ptosis.
Which CN do you immediately suspect is involved?

Wähle eine der folgenden:

CN III
CN IV
CN VI

Erklärung

Frage 24 von 33

As you walk into the waiting room to greet a new patient, he turns his ahead away from you and tucks his chin to his chest.
Which is the most likely cause of this behavior?

Wähle eine der folgenden:

Patient has Vertical Diplopia so he is trying to minimize the effect while focusing on you.
Patient is rather shy. Just give him some time to warm up to you.
Patient has Abducens Palsy so he is trying to minimize the effect while focusing on you.
Patient has Optokinetic Nystagmus and is trying to focus on you.

Erklärung

Frage 25 von 33

Which direction will a patient turn his head to minimize Horizontal Diplopia?

Wähle eine der folgenden:

Toward the affected eye
Away from the affected eye
Head movements alone will not correct a Horizontal Diplopia
Away from the affected eye with the chin tucked to the chest

Erklärung

Frage 26 von 33

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

For Mydriasis ( Sympathetic, Parasympathetic ) Activation causes Contraction of the Pupillary ( Dilator, Sphincter ) Muscle and ( Parasympathetic, Sympathetic ) Relaxation causes Relaxation of the Pupillary ( Sphincter, Dilator ) Muscle.

Erklärung

Frage 27 von 33

Miosis requires relaxation of the Sympathetic NS and activation of the Parasympathetic NS.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 28 von 33

Miosis requires activation of the Sympathetic NS and relaxation of the Parasympathetic NS.

Wähle eins der folgenden:

WAHR
FALSCH

Erklärung

Frage 29 von 33

Mydriasis can be caused by which of the following?

Wähle eine der folgenden:

Pupillary Light Reflex responding to decreased light entering the eye.
Pupillary Light Reflex responding to increased light entering the eye.
Accommodation Reflex
Parasympathetic Activation

Erklärung

Frage 30 von 33

The Accommodation Reflex...

Wähle eine der folgenden:

occurs when an object being focused upon moves closer
occurs when an object being focused upon moves further away
is related to Mydriasis
is related to Pseudoptosis
is related to Ptosis

Erklärung

Frage 31 von 33

The following are possible causes for which condition?

-Horner’s Syndrome
-Oculomotor Palsy
-Myasthenia Gravis

Wähle eine der folgenden:

Ptosis
Pseudoptosis
Miosis
Mydriasis
Optokinetic Nystagmus

Erklärung

Frage 32 von 33

Which of the following describe Optokinetic Nystagmus?

Wähle eine oder mehr der folgenden:

Allows the eye to follow objects in motion when the head remains stationary
Composed of slow eye movements in one direction interrupted repeatedly by fast, saccade-like eye movements in the opposite direction
Stabilizes the eyes on a visual image during head and body movements
Occurs normally
Indicative of CN III lesion
Indicative of CN VI lesion

Erklärung

Frage 33 von 33

Wähle von der Aufklappliste, um den Text zu vervollständigen.

( Vestibulo-Ocular Reflex, Optokinetic Nystagmus, Pseudoptosis ) stabilizes the eyes on a visual image during head and body movements

Erklärung

Antwort prüfen

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	Erstellt von Ben Williams vor mehr als 7 Jahre

Neuroscience (Exam 3) Quiz am Ch 13 Brainstem 2 - Eye Movements & Pupillary Control, erstellt von Ben Williams am 20/03/2017.

Ch 13 Brainstem 2 - Eye Movements & Pupillary Control

Frage 1 von 33

Which muscles are innervated by CN III - Occulomotor n.?

Wähle eine oder mehr der folgenden:

Erklärung

Frage 2 von 33

Which muscles are innervated by CN IV - Trochlear n.?

Wähle eine oder mehr der folgenden:

Erklärung

Frage 3 von 33

Which muscles are innervated by CN VI - Abducens n.?

Wähle eine oder mehr der folgenden:

Erklärung

Frage 4 von 33

AD-Duction

Wähle eine der folgenden:

Erklärung

Frage 5 von 33

Depression and Extorsion; Depression increases with AB-Duction

Wähle eine der folgenden:

Erklärung

Frage 6 von 33

Elevation and Intorsion; Elevation Increases with AB-Duction

Wähle eine der folgenden:

Erklärung

Frage 7 von 33

Elevation and Extorsion; Elevation increases with AD-Duction

Wähle eine der folgenden:

Erklärung

Frage 8 von 33

Depression and Intorsion; Depression increases with AD-Duction

Wähle eine der folgenden:

Erklärung

Frage 9 von 33

AB-Duction

Wähle eine der folgenden:

Erklärung

Frage 10 von 33

Oculomotor Palsy is characterized by which form of double vision?

Wähle eine der folgenden:

Erklärung

Frage 11 von 33

Trochlear Palsy is characterized by which form of double vision?

Wähle eine der folgenden:

Erklärung

Frage 12 von 33

Abducens Palsy is characterized by which form of double vision?

Wähle eine der folgenden:

Erklärung

Frage 13 von 33

Label the Image depicting the pathways controlling horizontal eye movements.

Ziehe eine Antwort zum richtigen orangen Punkt.

Erklärung

Frage 14 von 33

What are the symptoms of Lesion 1?

Wähle eine der folgenden:

Erklärung

Frage 15 von 33

What are the symptoms of Lesion 2?

Wähle eine der folgenden:

Erklärung

Frage 16 von 33

What are the symptoms of Lesion 3?

Wähle eine der folgenden:

Erklärung

Frage 17 von 33

What are the symptoms of Lesion 4?

Wähle eine der folgenden:

Erklärung

Frage 18 von 33

What are the symptoms of Lesion 5?

Wähle eine der folgenden:

Erklärung

Frage 19 von 33

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

The nuclei located in the Upper Midbrain at the level of the Superior Colliculi and Red Nuclei, just ventral to the Periaqueductal Gray Matter is called the Oculomotor Trochlear Abducens( Oculomotor, Trochlear, Abducens ) Nuclei and corresponds to CN III IV VI( III, IV, VI ).

Erklärung

Frage 20 von 33

Wähle von der Dropdown-Liste, um den Text zu vervollständigen.

Depression and Extorsion;
Depression increases with AB-Duction

Elevation and Intorsion;
Elevation Increases with AB-Duction

Elevation and Extorsion;
Elevation increases with AD-Duction

Depression and Intorsion;
Depression increases with AD-Duction

The nuclei located in the Upper Midbrain at the level of the Superior Colliculi and Red Nuclei, just ventral to the Periaqueductal Gray Matter is called the ( Oculomotor, Trochlear, Abducens ) Nuclei and corresponds to CN ( III, IV, VI ).

The nuclei located in the Lower Midbrain at the level of the Inferior Colliculi and the decussation of the Superior Cerebellar Peduncle is the ( Trochlear, Oculomotor, Abducens ) Nuclei which corresponds with CN ( IV, III, VI ).

The nucleus located in the Floor of 4th Ventricle under the Facial Colliculi in the Mid-to-lower Pons is the ( Abducens, Trochlear, Oculomotor ) Nucleus which corresponds to CN ( VI, III, IV ).

These are the possible causes of what condition?

-Mechanical problems (i.e. Orbital fracture)
-Disorders of the extraocular muscles (i.e. Thyroid disease)
-Disorders of the neuromuscular junction (i.e. Myasthenia gravis)
-Disorders of CN III, IV, VI and their pathways

Patient presents with their left eye in the "Down and Out Position" and slight Ptosis.
Which CN do you immediately suspect is involved?

As you walk into the waiting room to greet a new patient, he turns his ahead away from you and tucks his chin to his chest.
Which is the most likely cause of this behavior?

The following are possible causes for which condition?

-Horner’s Syndrome
-Oculomotor Palsy
-Myasthenia Gravis

( Vestibulo-Ocular Reflex, Optokinetic Nystagmus, Pseudoptosis ) stabilizes the eyes on a visual image during head and body movements