Facial Nerve Lab Report

Decent Essays
THE SEVENTH CRANIAL NERVE

Testing the Function of the Facial Nerve VII

Anatomy & Physiology 203
November 15, 2014

Introduction: The facial nerve is the seventh cranial nerve of the peripheral nervous system that is the chief motor nerve of the face. It exits the brainstem between the pons and the medulla. The primary motor function is the control of the muscles of facial expressions and conveys impulses of taste sensations from the anterior two-thirds of the tongue and mouth. It also supplies many of the glands of the head and neck. Without the facial nerve, a person could not show facial expressions, cry, wink, smile, or frown. The facial nerve serves several functions and any damage to them can cause many or all of
…show more content…
Taken in consideration the family and medical history, there are no previous abnormal results that have been …show more content…
Cranial Nerve VII: The Facial Nerve and Taste - Clinical Methods - NCBI Bookshelf. Retrieved from http://www.ncbi.nlm.nih.gov/books/NBK385/

Discussion: Testing of the facial nerve through the different types of facial expressions will prove to be difficult to perform if an individual is suffering from facial nerve damage. These tests will allow all the muscles in the face to be used. Any asymmetry of the face would also prove difficult to perform the facial expressions because paralysis already exists and the muscles would be hard to control. As the data shows, I do not have difficulty performing any of the facial expressions or taste test.
Conclusion: Although, these results reflect that there are no obvious signs of facial nerve damage, a diagnosis of a person’s medical and family history should be taken into consideration. Also, all of the 12 cranial nerves of the system are involved in the function and sensory of the facial nerve should be tested for a more accurate diagnosis of nerve damage.
Gailard, F., & Jones, J. 2005-2010. Cranial nerves. Radiopaedia.org; [updated 2011, cited 2012 Apr 18]. Available from:

Related Documents

  • Superior Essays

    Cranial Nerve ll test: Eye exam revealed to check Aria’s visual acuity and peripheral vision and are functioning well, therefore, the result is positive. Cranial Nerve lll test: Eye exam revealed to check Aria’s visual acuity and peripheral vision the movement of eye was normal but the moment of eyelid is absent, therefore the result was negative. Cranial Nerve lV: When the penlight was bought towards her nose Aria followed accordingly, therefore, the is positive. Cranial Nerve V: Warm probe applied to Aria's forehead, cheek, and chin and she feel the touch well, therefore, the test was normal. Cranial Nerve Vl: Aria was able to follow the light accordingly, therefore, the result is positive.…

    • 1292 Words
    • 6 Pages
    Superior Essays
  • Improved Essays

    Efferent sympathetic signals originating from the POAH travel by way of the ipsilateral brainstem through the tegmentum of the pons & the medullary raphe nuclei, which terminate on the preganglionic neurons in the intermediolateral column of the spinal cord (Smith & Johnson, 2016). The efferent signal departs from the ventral horn & passes into the sympathetic trunk via the white ramus communicans (Smith & Johnson, 2016). Efferent signals terminate & act post-synaptically on several effectors, which includes endothelial cells found within cutaneous blood vessels & subcutaneous…

    • 788 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    1. Oculomotor nerve (III) : The nuclear complex of the 3rd (oculomotor) nerve is situated in the midbrain at the level of the superior colliculus, ventral to the Sylvian aqueduct .It is composed of thefollowing paired and unpaired subnuclei. • Levator subnucleus is an unpaired caudal midline structure which innervates both levator muscles.…

    • 685 Words
    • 3 Pages
    Improved Essays
  • Superior Essays

    These action potentials are affected because the responses of inhibiting and excitatory potentials throw off the balance of the nerve firing. The animal of interest is…

    • 1100 Words
    • 4 Pages
    Superior Essays
  • Improved Essays

    This nerve plays an extremely important role in many functions however the most important is swallowing and phonation. The vagus nerve has many branches which goes to many different organs of the body. The vagus has 3 main branches, the pharyngeal, superior laryngeal, and recurrent laryngeal nerves. That are very important to phonation. The pharyngeal nerve innervates muscles of the soft palate and the pharynx.…

    • 1329 Words
    • 6 Pages
    Improved Essays
  • Improved Essays

    MRI Case Summary

    • 423 Words
    • 2 Pages

    Sensation is decreased over the radial digital nerve. Tinel’s is positive over the digital nerve course. Sensation is decreased to 2 discrimination along the radial border measured at greater than 15 mm of 2 discrimination. There is weakness on flexion and extension of the…

    • 423 Words
    • 2 Pages
    Improved Essays
  • Improved Essays

    The nerve cores are aggregated in the anterior part of the planarian to form the cerebral ganglia that are connected to two ventral longitudinal nerve cords, which are interconnected with the lateral commissures, and a submuscular nervous plexus (Newmark and Alvarado, 2001, Wenemoser, 2011). The function of the cerebral ganglia is to process information that was received from the sensory structures (Newmark and Alvarado, 2001). Examples are; photoreceptors, rheoreceptors, and chemoreceptors (Newmark and Alvarado, 2001). Planarians, do not have a circulatory system or respiratory structures, their gas exchange relies completely upon diffusion to provide them with the required amount of oxygen (Newmark and Alvarado, 2001, Wenemoser, 2011).…

    • 436 Words
    • 2 Pages
    Improved Essays
  • Decent Essays

    Patient S. M Case

    • 299 Words
    • 2 Pages

    1. What is damaged in patient S.M.? Patient S.M suffered damage to her bilateral area of the amygdala. What did previous research with patient S.M.demonstrate about her impairments?…

    • 299 Words
    • 2 Pages
    Decent Essays
  • Improved Essays

    If you go and see a neureologist and they see a tumor in the brain, they will then send you to a neurosurgeon and they will…

    • 740 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    The Monoamine Theory

    • 944 Words
    • 4 Pages

    The corticobulbar tracts follows the similar pathway of the corticospinal tracts; they will begin synapsing with the motor nuclei of the cranial nerves beginning at the level of upper pons. The pyramidal system is the main pathway for voluntary movement. The extrapyramidal system…

    • 944 Words
    • 4 Pages
    Improved Essays
  • Improved Essays

    Ataxic Dysarthria

    • 763 Words
    • 4 Pages

    The vagus nerve has also been affected in this client. This nerve is responsible for motor control of the palate and part of the pharynx, including the larynx (Duffy 2013). An area of presentation relevant to this nerve damage is her aforementioned lack of consistent control of her palate, this can therefore affect resonance and articulation (Miller 2011). This nerve is also starting to affect Susan’s swallow. But Susan is also presenting with dysphonia or a ‘harsh sounding’ voice and the laryngeal exercises are the area she struggled with most on the Frenchay assessment.…

    • 763 Words
    • 4 Pages
    Improved Essays
  • Superior Essays

    ZAPS Interactive Activity

    • 1100 Words
    • 5 Pages

    The visual system has been shown to be more responsive and is especially sensitive to a special class of objects called faces. Recognition is defined as the ability to recognize different faces from one another in multiple situations. A key component of facial perception is a commonly known condition called prosopagnosia. This term ‘prosopagnosia’ described the condition that limits a person’s ability to recognize the face of others. This condition means that the process of non-facial recognition differs greatly from facial recognition.…

    • 1100 Words
    • 5 Pages
    Superior Essays
  • Improved Essays

    • Nerve endings are responsible for making norepinephrine which transmits signals to the sympathetic nervous…

    • 1250 Words
    • 5 Pages
    Improved Essays
  • Improved Essays

    There are nerve cells running through the entire length of the body and this includes the organs. Have you ever thought why you are not experiencing any forms of pain, when you are stretching? The internal organs, primarily the lungs are rubbing against the chest cavity, and yet you are never experiencing any form of pain. The same can be applied when you are breathing heavily. We are not experiencing pain because almost all the major organs and cavities within the body are lined by mesothelium.…

    • 506 Words
    • 3 Pages
    Improved Essays
  • Improved Essays

    The main structures of the nervous system are the central nervous system (CNA), and peripheral nervous system (PNA). The functional classification scheme is concerned only with PNS structures. These systems are sensitive to some diseases and they are not something to avoid especially if they are life threatening. Today, doctors and technology have improved and are still improving on finding treatment/cures, and signs/symptoms for diseases.…

    • 896 Words
    • 4 Pages
    Improved Essays