Respiratory system, discuss how does the animal and plant (name the animal and plant) works in maintaining their function in an environmental stress (name the stress)
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In Respiratory system, discuss how does the animal and plant (name the animal and plant) works in maintaining their function in an environmental stress (name the stress)
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- Give a specific example of each of the following receptor types. Identify the animal in your example, indicate the organ or structure in which the receptor cells are found, and briefly describe how it is used. • Chemoreceptor Photoreceptor • ElectroreceptorOrder the following in the correct sequence that reflexes are trasmitted through the nervous system: brain stem integrates this and other information low pH detected by chemoreceptors affarent neuron sends signals to brain stem efferent neuron travels to the lungs breathing rate is increasedSome patients with severe emphysema have constant high levels of carbon dioxide because of inadequate ventilation. The central nervous system breathing center in these patients becomes insensitive to carbon dioxide and more dependent on the level of oxygen, which is low. These patients are said to have “oxygen-dependent respiratory drive". What might happen if you give such a person high levels of supplemental oxygen? Essay Toolbar navigation BIU S > > > !!!
- Describe what happens in the respiratory system when you run to catch a bus by placing the following in order (#1-7). Consider that the running will have caused an increase in cellular respiration, which results in an increase in CO2 (this is the change in the variable). The increase in CO2 will be detected by the brain, which will ultimately cause an increase in ventilation. Blood CO2 levels increased and O2 levels decreased. Increased ventilation results. Chemoreceptors detect decreased O2 and increased concentration of CO2/decreased pH. Return to normal CO2 and O2 levels. Respiratory centers increases its stimulation of spinal nerves (phrenic and intercostal). Increased frequency and degree of contraction of respiratory muscles. Central and peripheral chemoreceptors stimulate the respiratory centers in the brainstem. Increased cellular respiration in response to the running.Blood pH and cerebrospinal fluid pH are affected by carbon dioxide content. This enables the organism to sense a disturbance in gas levels as O the medulla oblongata monitors pH and uses this measure to control breathing O the brain alters the pH of the cerebrospinal fluid to force the animal to retain more or less carbon dioxide the lungs sense changes in oxygen concentration, which causes the medulla oblongata to speed up or slow breathing the medulla oblongata directly monitors blood oxygen levels and causes breathing changes accordingly O the brain directly measures and monitors carbon dioxide and causes breathing changes accordinglyWhen a patient has a severe allergic reaction, a common prescribed drug is epinephrine. Which of the follow best explains the effects of epinephrine on a patient experiencing a severe allergic reaction? A epinephrine binds to the beta-1 receptor. Activating the beta-1 receptor causes vasodilation and bronchoconstriction. Bronchoconstriction allows the patient to breath by relaxing the smooth muscle that is constricting the airway. B Epinephrine binds to the beta-2 receptor. Activating the beta-2 receptor causes vasodilation and bronchodilation. Bronchodilation allows the patient to breath easier by relaxing the smooth muscle that is constricting the airway. C Epinephrine binds to the alpha-1 receptor. Activating the alpha-1 receptor causes vasodilation and bronchodilation. Bronchodilation allows the patient to breath by relaxing the smooth muscle that is constricting the airway. D Epinephrine binds to the beta-1 receptor. Activating the beta-1 receptor causes vasodilation and…
- Regulation of breathing rate Label the figure below to indicate how breathing rate is regulated. Not all labels will be used. Oxygen in blood is too high Oxygen in blood is too low Breathing rate increases Blood becomes too basic Carbon dioxide in blood is Carbon dioxide in blood is too high Carbon dioxide in blood is too low Thalamus detects change normal Blood becomes more acidic Blood flow to lungs increases Oxygen in blood is normal Medulla detects change Carbon dioxide concentration decreases ResetWhen resting in a car at Rest and Relax area (R&R), it is not advisable to turn on car engine and air conditioning with the window closed because it can cause carbon monoxide poisoning. Explain briefly why carbon monoxide poisoning is dangerous to human body.During rhythmic, moderately intense aerobic exercise, there is a redistribution of blood flow throughout the body. Which of the following statements is true? O beta-2 receptors cause dilation and increased blood flow to the exercising muscle there is a large increase in blood flow to the brain to keep you alert mean arterial pressure increases 5-8x due to a similar increase in total cardiac output blood flow to the kidneys and gut increases due to the presence of alpha-2 receptors
- Which statement about the regulation of respiration is FALSE? Group of answer choices Respiratory centers in the medulla control the transition from inspiration to expiration. Carbon dioxide concentration is the most important chemical stimulus for regulating respiratory rate. Chemoreceptors in the walls of various arteries are sensitive to carbon dioxide levels in the blood. A group of neurons in the ventral medulla only become active when we need to breathe forcefully. Chemoreceptors may be sensitive to oxygen, carbon dioxide, and/or hydrogen ion concentration.Asthma rescue inhalers are used when a person is having an asthma attack. The active ingredient is called a sympathomimetic, a substance that mimics the effects of the sympathetic nervous system. How would this help a person who is experiencing problems with breathing due to asthma? They bind to alpha receptors on blood vessels in the lungs. They bind to muscarinic receptors on airway smooth muscle.. The drug binds to beta 2 receptors on respiratory bronchiole smooth muscle. They bind to nicotinic receptors on airways in the lungs.Put the following in order by numbering from 1 to 5 - Diaphragm contracts and flattens and ribs elevate - The diaphragm returns to its dome shape resting position - The thoracic cavity increases in volume - Air inters the lungs due to a lower pressure gradient than atmospheric pressure - A subatmospheric pressure is created in the lungs