Question 1

What is the location of the motor neurons in the blink-to-light reflex?

Accepted Answer

A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Nucleus ambiguus 
D)  Facial nucleus 
E)  Superior salivatory nucleus 
A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Nucleus ambiguus 
D)  Facial nucleus 
E)  Superior salivatory nucleus D

Question 2

In the blink-to-light reflex, intense light stimulates receptors in the cornea.

Accepted Answer

A) True 
 B)False  False

Question 3

Motor neurons for which of the following reflexes are located in the facial nucleus? (Select all that apply.)

Accepted Answer

A)  Blink-to-light 
B)  Tearing 
C)  Cough 
D)  Blink-to-touch 
E)  Gag 
A)  Blink-to-light 
B)  Tearing 
C)  Cough 
D)  Blink-to-touch 
E)  Gag A, D

Question 4

Match the structures with their correct locations. Answers may be used only once.
-Second synapse in the cough reflex

Accepted Answer

A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Superior salivatory nucleus 
D)  Nucleus ambiguus 
E)  Facial nucleus 
A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Superior salivatory nucleus 
D)  Nucleus ambiguus 
E)  Facial nucleus

Question 5

What term is used to describe an aggregation of neurons that act as an interneuron to coordinate complex reactions to a stimulus?

Accepted Answer

The answer of What term is used to describe an...

Question 6

The receptors for the gag reflex are located on the

Accepted Answer

A)  body of the tongue. 
B)  cheek wall. 
C)  anterior tonsillar pillars. 
D)  rugae of the hard palate. 
E)  posterior one-third of the tongue. 
A)  body of the tongue. 
B)  cheek wall. 
C)  anterior tonsillar pillars. 
D)  rugae of the hard palate. 
E)  posterior one-third of the tongue.

Question 7

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply.
-Pharyngeal constrictors

Accepted Answer

A)  Afferent limb of cough reflex 
B)  Effector for gag reflex 
C)  Afferent limb of blink-to-light reflex 
D)  Effector for blinking reflexes 
E)  Motor limb of tear reflex
F) Afferent limb of touch-to-blink reflex 
A)  Afferent limb of cough reflex 
B)  Effector for gag reflex 
C)  Afferent limb of blink-to-light reflex 
D)  Effector for blinking reflexes 
E)  Motor limb of tear reflex
F) Afferent limb of touch-to-blink reflex

Question 8

What term is used to describe a predictable response to a sensory stimulus?

Accepted Answer

The answer of What term is used to describe a...

Question 9

An involuntary response to an outside stimulus reaches the brain via the corticospinal tract.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is the effector for the blink reflex?

Accepted Answer

A)  Levator palpebrae superioris muscle 
B)  Facial nerve 
C)  Oculomotor nerve 
D)  Orbicularis oculi muscle 
E)  Pupillary muscle 
A)  Levator palpebrae superioris muscle 
B)  Facial nerve 
C)  Oculomotor nerve 
D)  Orbicularis oculi muscle 
E)  Pupillary muscle

Question 11

In the sensory limb of a reflex arc, the stimulus is received by a ____________________, and the impulse is then carried to the central nervous system by a sensory neuron.

Accepted Answer

The answer of In the sensory limb of a reflex...

Question 12

A voluntary response to move away from an unpleasant stimulus arises from the cerebrum and is transferred to motor neurons in the spinal cord via the ____________________.

Accepted Answer

The answer of A voluntary response to move away from...

Question 13

Match the structures with their correct locations. Answers may be used only once.
-First synapse in the tearing reflex

Accepted Answer

A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Superior salivatory nucleus 
D)  Nucleus ambiguus 
E)  Facial nucleus 
A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Superior salivatory nucleus 
D)  Nucleus ambiguus 
E)  Facial nucleus

Question 14

Which nucleus is a component of the motor limb of the cough reflex?

Accepted Answer

A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Nucleus ambiguus 
D)  Facial nucleus 
E)  Superior salivatory nucleus 
A)  Superior colliculus 
B)  Spinal nucleus of V 
C)  Nucleus ambiguus 
D)  Facial nucleus 
E)  Superior salivatory nucleus

Question 15

The pathway through which a stimulus must travel to invoke a response is known as a ____________________.

Accepted Answer

The answer of The pathway through which a stimulus must...

Question 16

During a routine examination of a patient's oral cavity, you notice the oropharynx is insensitive to touch, and the gag reflex is impaired. Which of the following cranial nerves is most likely affected?

Accepted Answer

A)  Hypoglossal 
B)  Vagus 
C)  Mandibular nerve (V3) 
D)  Facial 
E)  Glossopharyngeal 
A)  Hypoglossal 
B)  Vagus 
C)  Mandibular nerve (V3) 
D)  Facial 
E)  Glossopharyngeal

Question 17

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply.
-Superior laryngeal nerve

Accepted Answer

A)  Afferent limb of cough reflex 
B)  Effector for gag reflex 
C)  Afferent limb of blink-to-light reflex 
D)  Effector for blinking reflexes 
E)  Motor limb of tear reflex
F) Afferent limb of touch-to-blink reflex 
A)  Afferent limb of cough reflex 
B)  Effector for gag reflex 
C)  Afferent limb of blink-to-light reflex 
D)  Effector for blinking reflexes 
E)  Motor limb of tear reflex
F) Afferent limb of touch-to-blink reflex

Question 18

What nerve is a component of the corneal reflex to touch?

Accepted Answer

A)  Optic nerve 
B)  Oculomotor nerve 
C)  Maxillary nerve 
D)  Ophthalmic nerve 
E)  Facial nerve 
A)  Optic nerve 
B)  Oculomotor nerve 
C)  Maxillary nerve 
D)  Ophthalmic nerve 
E)  Facial nerve

Question 19

Which of the following are components of the afferent limb of a reflex? (Select all that apply.)

Accepted Answer

A)  Receptor 
B)  Sensory nerve 
C)  Motor nucleus 
D)  Interneuron 
E)  Effector 
A)  Receptor 
B)  Sensory nerve 
C)  Motor nucleus 
D)  Interneuron 
E)  Effector

Question 20

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply.
-Retina

Accepted Answer

A)  Afferent limb of cough reflex 
B)  Effector for gag reflex 
C)  Afferent limb of blink-to-light reflex 
D)  Effector for blinking reflexes 
E)  Motor limb of tear reflex
F) Afferent limb of touch-to-blink reflex 
A)  Afferent limb of cough reflex 
B)  Effector for gag reflex 
C)  Afferent limb of blink-to-light reflex 
D)  Effector for blinking reflexes 
E)  Motor limb of tear reflex
F) Afferent limb of touch-to-blink reflex

What is the location of the motor neurons in the blink-to-light reflex?

In the blink-to-light reflex, intense light stimulates receptors in the cornea.

Motor neurons for which of the following reflexes are located in the facial nucleus? (Select all that apply.)

Match the structures with their correct locations. Answers may be used only once. -Second synapse in the cough reflex

What term is used to describe an aggregation of neurons that act as an interneuron to coordinate complex reactions to a stimulus?

The receptors for the gag reflex are located on the

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply. -Pharyngeal constrictors

What term is used to describe a predictable response to a sensory stimulus?

An involuntary response to an outside stimulus reaches the brain via the corticospinal tract.

Which of the following is the effector for the blink reflex?

In the sensory limb of a reflex arc, the stimulus is received by a ____________________, and the impulse is then carried to the central nervous system by a sensory neuron.

A voluntary response to move away from an unpleasant stimulus arises from the cerebrum and is transferred to motor neurons in the spinal cord via the ____________________.

Match the structures with their correct locations. Answers may be used only once. -First synapse in the tearing reflex

Which nucleus is a component of the motor limb of the cough reflex?

The pathway through which a stimulus must travel to invoke a response is known as a ____________________.

During a routine examination of a patient's oral cavity, you notice the oropharynx is insensitive to touch, and the gag reflex is impaired. Which of the following cranial nerves is most likely affected?

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply. -Superior laryngeal nerve

What nerve is a component of the corneal reflex to touch?

Which of the following are components of the afferent limb of a reflex? (Select all that apply.)

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply. -Retina

Essentials of Anatomy

Skull and Cervical Vertebrae

Regional Anatomy of the Neck

Pharynx, Larynx, and Soft Palate

Muscles of Facial Expression

Nasal Cavity and Paranasal Sinuses

Muscles of Mastication and the Temporomandibular Joint

Oral Cavity

Salivary Glands

Fascial Spaces and the Spread of Infection

Vascular Supply of the Head and Neck

Lymphatic Drainage of the Head and Neck

Brain and Spinal Cord

Sensory and Motor Pathways

Autonomic Nervous System

Cranial Nerves

Trigeminal Nerve

Anatomy of Intraoral Injections

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Exam 19: Orofacial Reflexes

What is the location of the motor neurons in the blink-to-light reflex?

In the blink-to-light reflex, intense light stimulates receptors in the cornea.

Motor neurons for which of the following reflexes are located in the facial nucleus? (Select all that apply.)

Match the structures with their correct locations. Answers may be used only once. -Second synapse in the cough reflex

What term is used to describe an aggregation of neurons that act as an interneuron to coordinate complex reactions to a stimulus?

The receptors for the gag reflex are located on the

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply. -Pharyngeal constrictors

What term is used to describe a predictable response to a sensory stimulus?

An involuntary response to an outside stimulus reaches the brain via the corticospinal tract.

Which of the following is the effector for the blink reflex?

In the sensory limb of a reflex arc, the stimulus is received by a ____________________, and the impulse is then carried to the central nervous system by a sensory neuron.

A voluntary response to move away from an unpleasant stimulus arises from the cerebrum and is transferred to motor neurons in the spinal cord via the ____________________.

Match the structures with their correct locations. Answers may be used only once. -First synapse in the tearing reflex

Which nucleus is a component of the motor limb of the cough reflex?

The pathway through which a stimulus must travel to invoke a response is known as a ____________________.

During a routine examination of a patient's oral cavity, you notice the oropharynx is insensitive to touch, and the gag reflex is impaired. Which of the following cranial nerves is most likely affected?

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply. -Superior laryngeal nerve

What nerve is a component of the corneal reflex to touch?

Which of the following are components of the afferent limb of a reflex? (Select all that apply.)

Match the structures with their correct functions. An answer may be used once, more than once, or not at all. Multiple answers may apply. -Retina

Essentials of Anatomy

Skull and Cervical Vertebrae

Regional Anatomy of the Neck

Pharynx, Larynx, and Soft Palate

Muscles of Facial Expression

Nasal Cavity and Paranasal Sinuses

Muscles of Mastication and the Temporomandibular Joint

Oral Cavity

Salivary Glands

Fascial Spaces and the Spread of Infection

Vascular Supply of the Head and Neck

Lymphatic Drainage of the Head and Neck

Brain and Spinal Cord

Sensory and Motor Pathways

Autonomic Nervous System

Cranial Nerves

Trigeminal Nerve

Anatomy of Intraoral Injections

Filters