INBDE COMPILED QUESTIONS AND
ANSWERS WITH VERIFIED SOLUTIONS
100% CORRECT!!!
Patient Case:
A 52-year-old Caucasian man reports sudden inability to move one side of his face
and difficulty closing his eye. He also mentions ringing in his ear, reduced taste
sensation, and a slightly dry mouth. No relevant medical history is noted. On exam,
he has facial paralysis affecting the entire left side of his face, including the
forehead. Tenderness is noted behind the left ear, but his eyes remain moist.
Question:
Which cranial nerve is most likely affected?
A. Vagus nerve (CN X)
B. Facial nerve (CN VII)
C. Glossopharyngeal nerve (CN IX)
D. Trigeminal nerve (CN V)
Answer:
B. Facial nerve (CN VII)
• This nerve controls the muscles responsible for facial expression and the
stapedius muscle, which reduces sound vibration. It also carries taste
sensation from the anterior two-thirds of the tongue and passes through the
parotid gland. Damage here explains facial paralysis, taste loss, ear-
symptoms, and dry mouth.
The facial nerve (CN VII) exits the skull through?
A. the stylomastoid foramen and passes through the parotid gland.
B. foramen ovale and passes deep to the parotid gland.
C. the jugular foramen and passes superficial to the parotid gland.
D. through the external acoustic meatus and passes through the parotid gland.
, A
Patient: 52-year-old white male.
Chief complaint: "Suddenly I can’t move half my face or close my eye and my ear
is ringing! Everything has less taste. My mouth is a little dry."
Background/or patient history: Not applicable.
Current Findings: Symptoms appeared suddenly. Facial paralysis on the left half
of the face, including the forehead. The patient has tenderness posterior to his left
ear. Eyes are moist.
What is the location of the lesion? (Picture on definition side)
The lesion is distal to the geniculate ganglion, so the patient has moist eyes,but is
proximal to the nerve to stapedius (which dampens sound), the chorda
tympani(which consists of taste fibers from the anterior 2/3 of the tongue
andparasympathetics to the submandibular ganglion) and branches to the muscles
of facialexpression.
Patient: 52-year-old white male.
Chief complaint: "Suddenly I can’t move half my face or-close my eye and my ear-
is ringing! Everything has less taste. My mouth is a little dry."
Background/or patient history: Not applicable.
Current Findings: Symptoms appeared suddenly. Facial paralysis on the left half
of the face, including the forehead. The patient has tenderness posterior to his left
ear. Eyes are moist.
Which nerve is responsible for the patients loss of taste?
ANSWERS WITH VERIFIED SOLUTIONS
100% CORRECT!!!
Patient Case:
A 52-year-old Caucasian man reports sudden inability to move one side of his face
and difficulty closing his eye. He also mentions ringing in his ear, reduced taste
sensation, and a slightly dry mouth. No relevant medical history is noted. On exam,
he has facial paralysis affecting the entire left side of his face, including the
forehead. Tenderness is noted behind the left ear, but his eyes remain moist.
Question:
Which cranial nerve is most likely affected?
A. Vagus nerve (CN X)
B. Facial nerve (CN VII)
C. Glossopharyngeal nerve (CN IX)
D. Trigeminal nerve (CN V)
Answer:
B. Facial nerve (CN VII)
• This nerve controls the muscles responsible for facial expression and the
stapedius muscle, which reduces sound vibration. It also carries taste
sensation from the anterior two-thirds of the tongue and passes through the
parotid gland. Damage here explains facial paralysis, taste loss, ear-
symptoms, and dry mouth.
The facial nerve (CN VII) exits the skull through?
A. the stylomastoid foramen and passes through the parotid gland.
B. foramen ovale and passes deep to the parotid gland.
C. the jugular foramen and passes superficial to the parotid gland.
D. through the external acoustic meatus and passes through the parotid gland.
, A
Patient: 52-year-old white male.
Chief complaint: "Suddenly I can’t move half my face or close my eye and my ear
is ringing! Everything has less taste. My mouth is a little dry."
Background/or patient history: Not applicable.
Current Findings: Symptoms appeared suddenly. Facial paralysis on the left half
of the face, including the forehead. The patient has tenderness posterior to his left
ear. Eyes are moist.
What is the location of the lesion? (Picture on definition side)
The lesion is distal to the geniculate ganglion, so the patient has moist eyes,but is
proximal to the nerve to stapedius (which dampens sound), the chorda
tympani(which consists of taste fibers from the anterior 2/3 of the tongue
andparasympathetics to the submandibular ganglion) and branches to the muscles
of facialexpression.
Patient: 52-year-old white male.
Chief complaint: "Suddenly I can’t move half my face or-close my eye and my ear-
is ringing! Everything has less taste. My mouth is a little dry."
Background/or patient history: Not applicable.
Current Findings: Symptoms appeared suddenly. Facial paralysis on the left half
of the face, including the forehead. The patient has tenderness posterior to his left
ear. Eyes are moist.
Which nerve is responsible for the patients loss of taste?
