ACTIVITY 2
Your patient recently had a viral infection and now she cannot move the muscles on the right side of her face. In addition, she is experiencing a loss of taste and dry mouth and she cannot close her right eye. Which cranial nerves have been affected by the viral infection?
-
Immobile muscles on the right side of her face
-
The muscles on the right side of her face are immobile because the facial Nerve (7th cranial nerve) which is responsible for controlling facial movement, has been affected by the viral infection.
-
-
Loss of Taste
-
She is experiencing loss of taste because her facial nerve (7th cranial nerve) that provides fibers to the ⅔ of the anterior of her tongue, the glossopharyngeal nerve (9th cranial nerve) that provides fibers to the posterior part of her tongue, and the vagus nerve (10th cranial nerve) that provides fibers to the epiglottis region, have been affected by the viral infection.
-
-
Dry mouth
-
She is also experiencing dry mouth because her facial nerve (7th cranial nerve) which supplies her sublingual and submandibular glands, and glossopharyngeal nerve (9th cranial nerve) which supplies the parotid gland have been affected by the viral infection.
-
-
Inability to close her right eye
-
Her facial nerve (7th cranial nerve) has been affected by the viral infection which explains why she is unable to close her right eye since this nerve is responsible for contracting the orbicularis oculi muscle.
-
References:
Gibbons, J. R., & Sadiq, N. M. (2022, May 8). Neuroanatomy, Neural Taste Pathway. Nih.gov; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK545236/#:~:text=The%20three%20nerves%20associated%20with,which%20provides%20fibers%20to%20the
What is the Facial Nerve? (2020). Otolaryngology — Head & Neck Surgery. https://med.stanford.edu/ohns/OHNS-healthcare/facialnervecenter/about-the-facial-nerve.html
Dry Mouth. (2022). Physiopedia. https://www.physio-pedia.com/Dry_Mouth
Nguyen, J. D., & Duong, H. (2021, July 31). Anatomy, Head and Neck, Eye Nerves. Nih.gov; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK549919/#:~:text=The%20facial%20nerve%20is%20responsible%20for%20closing%20the%20eyes%20by,in%20the%20unilateral%20facial%20drooping.
Your patient recently had a viral infection and now she cannot move the muscles on the right side of her face. In addition, she is experiencing a loss of taste and dry mouth and she cannot close her right eye. Which cranial nerves have been affected by the viral infection?
-
Immobile muscles on the right side of her face
-
The muscles on the right side of her face are immobile because the facial Nerve (7th cranial nerve) which is responsible in controlling facial movement, has been affected by the viral infection.
-
-
Loss of Taste
-
She is experiencing loss of taste because her facial nerve (7th cranial nerve) that provides fibers to the ⅔ of the anterior of her tongue, glossopharyngeal nerve (9th cranial nerve) that provides fibers to the posterior part of her tongue and the vagus nerve (10th cranial nerve) that provides fibers to the epiglottis region, have been affected by the viral infection.
-
-
Dry mouth
-
She is also experiencing dry mouth because her facial nerve (7th cranial nerver) that supplies her sublingual and submandibular glands, and glossopharyngeal nerve (9th cranial nerve) that supplies the parotid gland have been affected by the viral infection.
-
-
Inability to close her right eye
-
Her facial nerve (7th cranial nerve) has been affected by the viral infection which explains why she is unable to close her right eye since this nerve is responsible for contracting the orbicularis oculi muscle.
-
Gibbons, J. R., & Sadiq, N. M. (2022, May 8). Neuroanatomy, Neural Taste Pathway. Nih.gov; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK545236/#:~:text=The%20three%20nerves%20associated%20with,which%20provides%20fibers%20to%20the
What is the Facial Nerve? (2020). Otolaryngology — Head & Neck Surgery. https://med.stanford.edu/ohns/OHNS-healthcare/facialnervecenter/about-the-facial-nerve.html
Dry Mouth. (2022). Physiopedia. https://www.physio-pedia.com/Dry_Mouth
Nguyen, J. D., & Duong, H. (2021, July 31). Anatomy, Head and Neck, Eye Nerves. Nih.gov; StatPearls Publishing. https://www.ncbi.nlm.nih.gov/books/NBK549919/#:~:text=The%20facial%20nerve%20is%20responsible%20for%20closing%20the%20eyes%20by,in%20the%20unilateral%20facial%20drooping.