Ch 13 Brainstem 2 - Eye Movements & Pupillary Control

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Questão 1 de 33

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

Selecione uma ou mais das seguintes:

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

Explicação

Questão 2 de 33

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

Selecione uma ou mais das seguintes:

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

Explicação

Questão 3 de 33

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

Selecione uma ou mais das seguintes:

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

Explicação

Questão 4 de 33

AD-Duction

Selecione uma das seguintes:

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

Explicação

Questão 5 de 33

Depression and Extorsion;
Depression increases with AB-Duction

Selecione uma das seguintes:

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

Explicação

Questão 6 de 33

Elevation and Intorsion;
Elevation Increases with AB-Duction

Selecione uma das seguintes:

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

Explicação

Questão 7 de 33

Elevation and Extorsion;
Elevation increases with AD-Duction

Selecione uma das seguintes:

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

Explicação

Questão 8 de 33

Depression and Intorsion;
Depression increases with AD-Duction

Selecione uma das seguintes:

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

Explicação

Questão 9 de 33

AB-Duction

Selecione uma das seguintes:

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

Explicação

Questão 10 de 33

Oculomotor Palsy is characterized by which form of double vision?

Selecione uma das seguintes:

Diagonal Diplopia
Vertical Diplopia
Horizontal Diplopia

Explicação

Questão 11 de 33

Trochlear Palsy is characterized by which form of double vision?

Selecione uma das seguintes:

Vertical Diplopia
Diagonal Diplopia
Horizontal Diplopia

Explicação

Questão 12 de 33

Abducens Palsy is characterized by which form of double vision?

Selecione uma das seguintes:

Horizontal Diplopia
Diagonal Diplopia
Vertical Diplopia

Explicação

Questão 13 de 33

Label the Image depicting the pathways controlling horizontal eye movements.

Arraste a resposta correta para cada ponto laranja.

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

Explicação

Questão 14 de 33

What are the symptoms of Lesion 1?

Selecione uma das seguintes:

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

Explicação

Questão 15 de 33

What are the symptoms of Lesion 2?

Selecione uma das seguintes:

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

Explicação

Questão 16 de 33

What are the symptoms of Lesion 3?

Selecione uma das seguintes:

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

Explicação

Questão 17 de 33

What are the symptoms of Lesion 4?

Selecione uma das seguintes:

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

Explicação

Questão 18 de 33

What are the symptoms of Lesion 5?

Selecione uma das seguintes:

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

Explicação

Questão 19 de 33

Selecione das listas do Menu para completar o texto.

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 ).

Explicação

Questão 20 de 33

Selecione das listas do Menu para completar o texto.

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 ).

Explicação

Questão 21 de 33

Selecione das listas do Menu para completar o texto.

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 ).

Explicação

Questão 22 de 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

Selecione uma das seguintes:

Diplopia
Ptosis
Mydriasis
Horner’s Syndrome
Pseudoptosis

Explicação

Questão 23 de 33

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

Selecione uma das seguintes:

CN III
CN IV
CN VI

Explicação

Questão 24 de 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?

Selecione uma das seguintes:

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.

Explicação

Questão 25 de 33

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

Selecione uma das seguintes:

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

Explicação

Questão 26 de 33

Selecione das listas do Menu para completar o texto.

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.

Explicação

Questão 27 de 33

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

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 28 de 33

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

Selecione uma das opções:

VERDADEIRO
FALSO

Explicação

Questão 29 de 33

Mydriasis can be caused by which of the following?

Selecione uma das seguintes:

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

Explicação

Questão 30 de 33

The Accommodation Reflex...

Selecione uma das seguintes:

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

Explicação

Questão 31 de 33

The following are possible causes for which condition?

-Horner’s Syndrome
-Oculomotor Palsy
-Myasthenia Gravis

Selecione uma das seguintes:

Ptosis
Pseudoptosis
Miosis
Mydriasis
Optokinetic Nystagmus

Explicação

Questão 32 de 33

Which of the following describe Optokinetic Nystagmus?

Selecione uma ou mais das seguintes:

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

Explicação

Questão 33 de 33

Selecione da lista do Menu para completar o texto.

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

Explicação

Verificar resposta

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	Criado por Ben Williams mais de 7 anos atrás

Neuroscience (Exam 3) Quiz sobre Ch 13 Brainstem 2 - Eye Movements & Pupillary Control, criado por Ben Williams em 20-03-2017.

Ch 13 Brainstem 2 - Eye Movements & Pupillary Control

Ch 13 Brainstem 2 - Eye Movements & Pupillary Control

Questão 1 de 33

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

Selecione uma ou mais das seguintes:

Explicação

Questão 2 de 33

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

Selecione uma ou mais das seguintes:

Explicação

Questão 3 de 33

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

Selecione uma ou mais das seguintes:

Explicação

Questão 4 de 33

AD-Duction

Selecione uma das seguintes:

Explicação

Questão 5 de 33

Depression and Extorsion; Depression increases with AB-Duction

Selecione uma das seguintes:

Explicação

Questão 6 de 33

Elevation and Intorsion; Elevation Increases with AB-Duction

Selecione uma das seguintes:

Explicação

Questão 7 de 33

Elevation and Extorsion; Elevation increases with AD-Duction

Selecione uma das seguintes:

Explicação

Questão 8 de 33

Depression and Intorsion; Depression increases with AD-Duction

Selecione uma das seguintes:

Explicação

Questão 9 de 33

AB-Duction

Selecione uma das seguintes:

Explicação

Questão 10 de 33

Oculomotor Palsy is characterized by which form of double vision?

Selecione uma das seguintes:

Explicação

Questão 11 de 33

Trochlear Palsy is characterized by which form of double vision?

Selecione uma das seguintes:

Explicação

Questão 12 de 33

Abducens Palsy is characterized by which form of double vision?

Selecione uma das seguintes:

Explicação

Questão 13 de 33

Label the Image depicting the pathways controlling horizontal eye movements.

Arraste a resposta correta para cada ponto laranja.

Explicação

Questão 14 de 33

What are the symptoms of Lesion 1?

Selecione uma das seguintes:

Explicação

Questão 15 de 33

What are the symptoms of Lesion 2?

Selecione uma das seguintes:

Explicação

Questão 16 de 33

What are the symptoms of Lesion 3?

Selecione uma das seguintes:

Explicação

Questão 17 de 33

What are the symptoms of Lesion 4?

Selecione uma das seguintes:

Explicação

Questão 18 de 33

What are the symptoms of Lesion 5?

Selecione uma das seguintes:

Explicação

Questão 19 de 33

Selecione das listas do Menu para completar o texto.

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 ).

Explicação

Questão 20 de 33

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