Course: Physical Assessment II Date: October 17, 2008 Doc: Practice Quiz 1
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1 Course: Physical Assessment II Date: October 17, 2008 Doc: Practice Quiz 1 This is the practice quiz we did in Class 4. The answers are at the end of the quiz should you wish to test yourself. Complete the following chart of the names and functions of the cranial nerves. Names are fill-inthe-blank and functions are from the choices listed below. Answers for the functions are only used once. Cranial Nerve number I II III IV V VI VII VIII IX X XI XII Name of cranial nerve Function A. Movement of most ocular muscles; autonomic pupilary enervation B. Enervation of lateral rectus muscle C. Sight D. Posterior 1/3 of taste buds; pharyngeal muscles; autonomic regulation of parotid gland E. General afferent nerves of face; muscles of mastication F. Anterior 2/3 of taste; efferent nerves of face; autonomic control of lacrimal and nasal glands G. Enervation of SCM and trapezius muscles H. Enervation of tongue muscles I. Smell J. Enervation of superior oblique muscle K. Hearing and balance L. Speech; autonomic control of heart, lungs, and abdominal organs If upon asking your patient to look to his left he is only able to do so with the right eye, which of the following nerves is likely dysfunctional? A. CN3, Left B. CN3, Right C. CN4, Left D. CN4, Right Page 1 of 5
2 E. CN6, Left F. CN6, Right Post CVA a patient with a lesion on her midbrain will MOST LIKELY demonstrate dysfunction in which of the following areas? (Hint: go back to the cranial nerve chart and jot down which ones are brain, midbrain, pons, and medulla oblongata associated) A. Inability to sense light and smell B. Dysarthria and inability to maintain autonomic homeostasis C. Inability to turn the head and lift the shoulders D. Inability to smile and chew E. Inability to move the eyes except to the outside; lack of pupilary accommodation The following questioin is true/false format. Please circle your answer. A. True/False: A quadriplegic patient (altered motor communication from brain to spinal cord) will not demonstrate muscle reflexes. Why or why not? B. True/False: A quadriplegic patient (no motor control below the neck) will not experience sensory stimulation below the sight of the spinal severance. Why or why not? Please pair the following symptoms with their associated CNS region. Answers are used only once. Ataxia (uncoordinated movement A. Temporal lobe Amnesia (memory loss) B. Cerebellum Abnormal judgment C. Parietal lobe Aphasia (inability to speak) D. Broca s and Wernicke s area Apraxia (inability to perform purposeful motor tasks E. F. Frontal lobe Occipital lobe Hypotension G. Medulla oblongata Inability to see colors Which of the somatosensory tracts of the spinal cord transmit information about pain and temperature? Which of the somatosensory tracts of the spinal cord transmit information about vibration and position sense? Page 2 of 5
3 Bonus: In using the mini-mental status exam (MMSE), severe impairment is defined as achieving a score less than which value? A. 25 B. 20 C. 15 D. 10 E. 5 Page 3 of 5
4 Answers: Cranial Nerve number Name of cranial nerve Origin of this nerve* Function I Olfactory Brain I II Optic Brain C III Oculomotor Midbrain A IV Trochlear Midbrain J V Trigeminal Pons E VI Abducens Pons B VII Facial Pons F VIII Vestibulocochlear Pons K IX Glossopharyngeal Medulla Oblongata D X Vagus Medulla Oblongata L XI Accessory Medulla Oblongata G XII Hypoglossal Medulla Oblongata H Looking left, can only do so with one eye? CN6, Left. *You ll need that for the Post CVA patient with midbrain dysfunction question. Post CVA patient with midbrain dysfunction E. Inability to move the eyes except to the outside, lack of pupilary accommodation. Why? Because the 2 cranial nerves coming out of the midbrain are the Oculomotor and Trochlear, both controlling eye movements. False: The quadriplegic patient with altered motor communication between brain and spinal cord will indeed demonstrate muscle reflexes. The reflex arc doesn t involve the brain but the spinal cord muscle, so he or she will have reflexes. However, the 2 nd true/false is True: The quadriplegic patient with no motor control below the neck will not experience sensory stimulation below the site of the spinal severance because the sensory perception involves the brain and the communication from the periphery to the brain is cut off. Pair up the associated CNS regions: B Ataxia (uncoordinated movement A. Temporal lobe A Amnesia (memory loss) B. Cerebellum E Abnormal judgment C. Parietal lobe D Aphasia (inability to speak) D. Broca s and Wernicke s area C Apraxia (inability to perform purposeful motor tasks E. F. Frontal lobe Occipital lobe G Hypotension G. Medulla oblongata F Inability to see colors Page 4 of 5
5 Somatosensory tract transmitting pain and temperature? Spinothalamic Somatosensory tract transmitting vibration and position sense? DCML Bonus: severe impairment in the MMSE is defined as 10 or less. Page 5 of 5
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