Effect of Exercise on Heart Rate. Aim: The aim of this experiment is to find out how different intensities of exercise effect the heart rate I will measure it in beats per minute using a polar heart rate monitor. Hypothesis: I predict that as I increase the intensity of the exercise I do‚ that my heart rate will increase. This is because as I exercise more intensely I will need more blood to my muscles to supply oxygen and take away carbon dioxide; therefore my heart is going to have to beat
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From the experiment‚ it was determined that Sodium chloride had a crystalline structure‚ even after being broken into smaller pieces with a hammer. Even though there was two different types of Sodium chloride‚ coarse and fine‚ they still had a symmetrical‚ three-dimensional shape. All ionic compounds have this structure. It was also found that Sodium chloride had a high melting point and sugar had a low melting point. This is because Sodium chloride is ionic and the bonds holding it together take
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is somewhat impaired at levels of speech initiation‚ sequencing and production of grammatical sequences (McCaffrey‚ 2001). The non-fluent types of aphasia are Broca’s and transcortical motor aphasia. The fluent types are Wernicke’s‚ anomic‚ and conduction‚ transcortical sensory aphasia; while global aphasia is neither fluent nor non-fluent. Broca’s aphasia is the most common of the non-fluent aphasias‚ also described as verbal‚ motor‚ or efferent aphasia. In truth‚ Broca’s aphasia is really expressive
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relation to an Action Potential – define the terms threshold‚ hyperpolarization‚ depolarization‚ repolarization and all-or-none-phenomenon. 6. Draw and label the structural components of the the NMJ and explain the events that happen when a nerve impulse reaches the NMJ. 7. What is meant by excitation-contraction coupling? 8. What are the parts of the skeletal muscle triad and what are their functions? 9. Explain the cross bridge cycle‚ and why a filaments do not slide back to their original
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acids molecules that have a pH level less than 7‚ dissociate in water‚ and release hydrogen ions (H+) action potential the electrical potential determined by unequal ion distribution when a particular site on the neuron membrane is conducting an impulse; normally about +40 millivolts activation energy the amount of energy required before a chemical reaction can occur; this amount is reduced when an enzyme is present active process a biological process (e.g. action potential of neurons) that requires
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Prescriptive Case Study Three Ms. Tesla comes into the cardiology office‚ complaining of fatigue‚ palpitations‚ shortness of breath with mild activity‚ ongoing consistently for the past week without any chest pain or syncopal episodes. She is a 75-year-old woman with a history of atrial fibrillation (AFib)‚ controlled type 2 diabetes‚ myocardial infarction (MI) with a history of percutaneous coronary intervention to right coronary artery‚ stage IV chronic renal failure‚ and a mild mitral regurgitation
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Multiple Choice 1. Air may best be described as __________. a. an element b. a compound c. a mixture d. none of these 2. Which one of the following is the most abundant gas in the atmosphere? a. oxygen b. argon c. carbon dioxide d. nitrogen 3. With which
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Practice Exam #4 – Chapters 12‚ 13‚ 14 & 15 1) What would normally be found within the central canal of the spinal cord? a) Blood b) Myelin c) Cerebrospinal fluid d) Air e) Gray matter 2) The filum terminale is a) The roots of spinal nerves hanging inferiorly from the end of the spinal cord in the vertebral column b) An indentation on the dorsal side of the spinal cored c) The tapered end of the spinal cord d) An extension of the pia mater that anchors the spinal cord to the coccyx
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Guillain-Barre’ Syndrome (GBS) is a common cause of acute onset weakness. It is an immune-mediated disease that is usually preceded by gastrointestinal or respiratory tract infection in most of the cases. Various pathogens like Mycoplasma pneumonia‚ Campylobacter jejuni‚ Epstein Bar virus and Cytomegalovirus are involved in its pathogenesis and immune response directed against these organisms may cross react with myelin sheath and other neural tissues causing weakness.1 it occurs in whole world with
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cause hypothermia. Hypothermia is caused by the core body temperature dropping below 35degrees. This is why it is important to how quickly the body loses heat and what affects it. Heat is lost from the body in 3 different ways conduction‚ convection and radiation. Conduction is when heat travels through solids. Hot atoms vibrate and their energy is passed on to neighbouring atoms which vibrate and become hot. Convection is the process by which heat is transferred by warm liquids or gases. Warm air
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