Excitatory pathways - Study guides, Class notes & Summaries

ADVANCED PATHOPHYSIOLOGY REAL EXAM 60 QUESTIONS AND ANSWERS |RATED A+| What is a protective and complex phenomenon composed of sensory experiences (time, space, intensity), emotion, cognition, and motivation? - ---CORRECT ANSWER--- Pain Portion of the nervous system responsible for sensation and perception of pain can be divided into 3 areas: - ---CORRECT ANSWER--- A: Afferent pathways B interpretive centers in the brainstem, midbrain & diencephalon C: descending pathways from the brain to the...

PATHO Neuro Exam Questions and answers, rated A+ Characterized by sudden, transient alteration in brain function - =Seizure Decorticate Response - =Flexion of wrist, arm, and fingers Adduction of upper extremities Extension of lower extremities Plantar Flexion of Foot Decerbrate Response - =Hyperpronation of wrists Extension of all four extremities Plantar Extension of Foot Generalized Seizures (4) - =No Focal Onset Both hemispheres/bilateral neurons Originate from subcortical/deep ...

LS 15 Phelan Final All Answers Correct Botox ️The most toxic substance, lethal at 2 billionths of a gram, produced by Clostridium botulinum bacteria as a defense mechanism. Causes botulism by entering the terminal button at neuron/muscle synapses and degrading SNAP-25 protein (and others) needed for vesicle fusion with the terminal button membrane. Prevents acetylcholine release, paralyzing the muscle. Remains in the terminal button for 2- 4 months. LSD ️Binds to serotonin receptors...

How does the Morris Water Maze task function? - A mouse is placed in a murky water tank and, because mice do not enjoy being in water, it will try to look for a way out, and after many trials the mouse learns that there is a platform somewhere in the tank upon which it can rest from swimming, and these trials show that the mouse becomes progressively quicker at finding the platform, demonstrating that it maintains memory of where the platform is in the tank; when a trained mouse is given a ...

SPLH 620 Exam 3 Questions with All Correct Answers What two motor neurons does the CNS possess? - Answer-1. UMN (cerebrum) 2. LMN (brainstem, spinal cord) What is Dysarthria? - Answer-poor movement of the vocal tract What is Ataxia? - Answer-poorly coordinated movements What is Apraxia of speech? - Answer-errors in planning speech movements What are the three most important motor cortical areas? - Answer-1. Primary motor 2. Premotor 3. Supplementary motor What is the pathway of the...

White matter consists of what type of fiber tracts? correct answer: Axon of nerve fibers In the visual pathway, fibers anterior to the optic chiasm are called correct answer: Optic Nerves If a neurologist suspects nerve damage in a PTs neurological exam, he may order correct answer: Nerve conduction/EMG excitatory neurotransmitter correct answer: Glutamate The trigeminal nerve can be monitored from which muscle? correct answer: Masseter Damage to which structure would most li...

NURS 660 [STUDY GUIDE] LATEST UPDATE 2024 QUESTIONS AND EXPLAINED ANSWERS 1. Identify the emerging neurobiological hypothesis of schizophrenia. o The hypothesis: (focus on the most detail with the Dopamine Theory) The only pharmacological treatment that we have are dopamine (D2 receptors) and serotonin (5HT2A) Dopamine Theory ▪ Hyperactive dopamine at D2 receptors in the mesolimbic pathway In the mesolimbic pathway is responsible for the positive symptoms; the hypoactivity is respon...

BIOS 286 EXAM 3- Plasticity, Learning, And Memory Verified Solutions the ability of synapses to strengthen or weaken over time, in response to increases or decreases in their activitysynaptic plasticity synaptic plasticity Plasticity is the OUTCOME of ________ and __________ changes. molecular structural What are the 2 types of synaptic plasticity? long term potentiation long term depression an increase in a synapse's firing potential after brief, rapid stimulation. Believed to be...

CNIM ASAP Exam With Complete Solutions 2023/2024 Graded A+. White matter consists of what type of fiber tracts? - ANSWER-Axon of nerve fibers In the visual pathway, fibers anterior to the optic chiasm are called - ANSWER-Optic Nerves If a neurologist suspects nerve damage in a PTs neurological exam, he may order - ANSWER-Nerve conduction/EMG excitatory neurotransmitter - ANSWER-Glutamate The trigeminal nerve can be monitored from which muscle? - ANSWER-Masseter Damage to which structure ...

Major transmitter of the parasympathetic nervous system correct answers Acetylcholine Major transmitter of the sympathetic nervous system correct answers Norepinephrine Source and action of Acetylcholine correct answers S:Many areas of the brain; autonomic nervous system A:Usually excitatory; parasympathetic effects sometimes inhibitory (stimulation of vagal nerve) Source and action of serotonin correct answers source: brain stem, hypothalamus, dorsal horn of the spinal cord action: i...