Corticospinal tracts - Study guides, Class notes & Summaries

In BAEP's, cochlear nucleus lesion causes? Increased III-V, increased I-V Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? D-Waves The stimulus used in a brainstem auditory evoked potential study is a click with a peak acoustic power in the range of 2000 to 4000Hz Which of the following tibial nerve responses is not a near field response? N31 How many amperes of current w...

Exam 2: NSG316 / NSG 316 (Latest Update 2024 / 2025) Health Assessment Exam | Questions and Verified Answers | 100% Correct | Grade A - GCU Question: Flaccidity Answer: Decreased muscle tone or hypotonia; muscle feels limp, soft, and flabby; muscle is weak and easily fatigued; limb feels like a rag doll. Lower motor neuron injury anywhere from the anterior horn cell in the spinal cord to the peripheral nerve (peripheral neuritis, poliomy Question: Spasticity Answer: Increas...

What factors serve to moderate the psychological and behavioral expression of brain lesions? - Answer 1. Laterality/side 2. Site of the lesion 3. Size of the lesion 4. Depth of the lesion (facial droop to complete right hemiplasia) 5. Velocity (speed @ which it progresses) 6. Chronicity (vs acute): how long has it been since to onset of a lesion 7. Etiology (cause) Differentiate between corticospinal and corticobulbar tracts - Answer corticobulbar tracts: descending tracts from ...

TEST BANK FOR WONG'S NURSING CARE OF INFANTS AND CHILDREN 11TH EDITION BY HOCKENBERRY Chapter 30: The Child with Cerebral Dysfunction MULTIPLE CHOICE 1. An injury to which part of the brain will cause a coma? a. Brainstem b. Cerebrum c. Cerebellum d. Occipital lobe ANS: A Injury to the brainstem results in stupor and coma. Signs of damage to the cerebrum are specific to the involved area. Individuals with frontal lobe injury may have impaired memory, personality changes, or alter...

Neuroscience FINAL EXAM – USA (Latest 2023/ 2024 Update) Exam Prep with Questions and Verified Answers| 100% Correct| Grade A Q: is ataxia ipsilateral or contralateral to the side of the lesion? why? Answer: Ipsilateral; pathways from the cerebellum to the lateral motor systems and periphery are "double crossed" Q: What do midline lesions cause? Answer: unsteady gait (truncal ataxia) and eye movement abnormalities Q: What do lesions lateral to the vermis cause? ...

Topic 13: Integration of Nervous System Functions Question 1 Question text A nurse is caring for a patient who exhibits the following symptoms: (1) inability to maintain balance while walking (2) normal intelligence (3) can initiate voluntary movements although they are somewhat uncoordinated. (4) decreased tone in the skeletal muscles The patient is probably suffering from a condition that affected the Select one: a. midbrain. b. cerebellum. c. basal ganglia. d. cerebral cortex. e. brainstem. Q...

What is the corticospinal tract responsible for? -:- Voluntary motor activity (descending) Where do the fibers of the of the lateral corticospinal tract cross the midline? -:- At the pyramidal decussation in the caudal medulla What are the bundles of fibers that connect the brain stem and the cerebellum? -:- The cerebellar peduncles located in the pons (inferior, middle, and superior) What is the pontine nuclei? -:- The nuclei of the brain stem involved in motor activity (associated w...

APMLE Part III Test || Questions & Solutions (Rated A+) APMLE Part III Test || Questions & Solutions (Rated A+) What Vitamin deficiency seen with Isoniazid tx - ANSWER - Vit B6 deficiency - major SE: neuropathy 4 drug combo for TB tx - ANSWER - 1. Pyrizinamide 2. Isonizide 3. Ethambutol 4. Rifampin what TB drug is not safe to use in pregnagncy - ANSWER - Pyrizinamide Rifampin and Isoniazid main SE - ANSWER - hepatotxicity Ekbom's syndrome - ANSWER - Restless leg syndrome...

The dorsal root emerging from the spinal cord carries __________ information Ans: sensory The ascending and descending tracts in the spinal cord are also called Ans: fasciculi What layer of tissue in an embryo becomes the nervous system? Ans: Ectoderm The cranial nerves project from the Ans: Brainstem Which arteries are the major sources of blood to the brain: Ans: internal carotid and vertebral artery During embryologic development, which segment eventually becomes the cerebral hemi...

Cell proliferation in the developing nervous system begins in which area? - correct answer Ventricular Zone Which of the following are upper motor neuron lesions? - correct answer -Spinal cord injury affecting the corticospinal tracts -Cerebrovascular accident affecting the motor homunculus A PTA student is working with a patient who has right LE extensor spasticity. What do you expect to see? - correct answer Hip adduction, hip IR. knee extension, ankle plantarflexion A physical...