Exercise 6: Cardiovascular Physiology Worksheet Assignment Due: Week 6 Electrical Stimulation Activity 1: Direct Heart Stimulation 1. Did you see any change in the trace? I did not see a change in the trace 2. Why or why not? This is because it needs more stimulation 3. Did you see any change in the trace? I did see a change in the trace 4. Why or why not? This is because there is double stimulation. 5. Describe the change you see in the trace. How does it differ from the baseline
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The Muscular System The body contains 650 muscles that allow the body to move in different ways and also helps with blood flow. There are three types of muscles including: visceral‚ skeletal‚ and cardiac. Visceral muscles are the ones found in organs. This is one of the weakest of the muscle types and is also involuntary. The only voluntary muscles‚ skeletal‚ usually attach near joints. These muscles are considered voluntary because they are physical actions that can be controlled. The last muscle
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Ménière’s disease‚ also known as endolymphatic hydrops‚ is a disease that causes problems with hearing and balance. It most commonly starts between the age of forty and sixty and people suffering from Ménière’s disease may encounter problems such as vertigo‚ tinnitus‚ which is hearing a buzz in you ear at all time‚ and hearing loss. Fifteen to one hundred and fifty seven cases of Ménière’s disease are seen per hundred thousand people and 10% of these patients will have Ménière’s disease in both
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The diameter‚ number of axons in the sciatic nerve‚ speed of transmission and degree of myelination can all have an effect on the sciatic nerve and therefore the peak contractile force of B. Marinus. The diameter of the axon in the sciatic nerve would impact how fast the action potential is conceived down the axon to the synaptic cleft and muscle (Firmin‚ L. 2014). If one of the toads had a smaller axon diameter it would allow for resistance to movement to occur due to friction. The diameter of the
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DMD and ALS Assignment |Last Name: Megan Robbins-Colwell| In this assignment you will compare DMD and ALS. Fill in the table below using information from the book and websites. Research at least 2 new therapies for each disease. List the complete URLs of the websites where you found information. |DMD|ALS|Early symptoms|· Shoulder‚ Upper Arm‚ Hip‚ and Thigh muscle weakness|· Muscle twitching· Weakness in arm or leg· Slurred speech|Late symptoms|· Difficulty in rising from sitting or lying position
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Every four seconds someone is diagnosed with Alzheimer’s currently the disease affects over fourty million people worldwide. Dr Alois Alzheimer was a German psychiatrist who first described the symptoms of Alzheimer’s in 1901 when he noticed a particular hospital patient had peculiar problems which were a difficulty in sleeping‚ disturbed memories‚ drastic changes to mood throughout the day and general confusion. When the patient passed away Dr Alzheimer was able to conduct an autopsy on the body
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Exercise 6: Cardiovascular Physiology: Activity 2: Examining the Effect of Vagus Nerve Stimulation Lab Report Pre-lab Quiz Results You scored 100% by answering 4 out of 4 questions correctly. 1. The effect of the parasympathetic nervous system on the heart is to You correctly answered: a. decrease the heart rate. 2. The branch of the autonomic nervous system that dominates during exercise is You correctly answered: b. the sympathetic branch. 3. Parasympathetic stimulation reaches the heart
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Disorders of the Nervous System The way we think‚ our emotions‚ and the ability of our body to tell itself to move all connect back to the nervous system. If one part is not connected to another or if something never developed properly it can create a major problem. Disorders can occur within the brain or can be malfunctions of the nerves. Disorders can range from Palsy and Parkinson’s in which symptoms are movements such as tremors to Alzheimer’s which is mental deterioration and loss of memory
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Twin-Pulse Facilitation Measured as Twitch Ratios at the! Frog Nerve/Gastrocnemius Preparation ! Richard S. Manalis and Jonathan L. Miller— Department of Biology‚ Goshen College‚ Goshen‚ Indiana Introduction! Learning & Memory are related to synaptic efficacy which the present study brings to the undergraduate physiology laboratory. TWIN-PULSE FACILITATION has been widely used to study one aspect of short-term synaptic plasticity at a wide variety of synapses using electrophysiological methods
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1. Which of the following is NOT true regarding the EPP? A. The EPP is a graded potential needed to reach threshold B. The EPP is the direct result of voltage-gated Na+ channels opening C. The EPP occurs in the post-synaptic membrane and is not an action potential D. To generate an EPP‚ ACh acts as the neurotransmitter involved in skeletal muscle contraction E. Two of the choices above are NOT true. 2. A person is being treated at a local clinic with an acetyl cholinesterase
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