CU LEC 2: Test 1.
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| these six things define living things ... | show 🗑
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| 1. Metabolism | show 🗑
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| 2. Responsiveness | show 🗑
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| show | includes motion of the whole body, individual organs, single cells, or even organelles within the cells.
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| 4. Growth | show 🗑
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| show | is the change in a cell from unspecialized to specialized.
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| 6. Reproduction | show 🗑
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| C. An autopsy is | show 🗑
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| show | It is a condition of equilibrium in the body’s internal environment produced by the ceaseless interplay of all the body’s regulatory processes.
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| 1. Homeostatic imbalances occur because | show 🗑
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| 2. Homeostasis is regulated by | show 🗑
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| show | detects changes and sends nerve impulses to counteract the disruption.
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| b. The endocrine system in homeostasis | show 🗑
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| c. Nerve impulses vs. hormones, speed? | show 🗑
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| 1. A feedback system is a | show 🗑
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| 2. Any disruption that changes a controlled condition is called a | show 🗑
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| 3. A feedback system consists of three basic components: | show 🗑
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| a. A receptor | show 🗑
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| show | sets the range of accepted values. It then evaluates the input it receives from the receptors, and generates output commands when they are needed.
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| show | a body structure that receives output from the control center and produces a response or effect that changes the controlled condition.
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| Example of negative feedback | show 🗑
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| show | Childbirth: cervix stretched:stimulus. nerve cells in cervix:receptor. nerve impulses:imput.hypothalmus:controle center. release of oxytocin:output (pituitary gland). smooth muscles of uterus(effectors)to contract more forcefully (response). reinforced
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| show | aka nerve impulse is an example of a positive feedback loop.
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| A. Disruption of homeostasis can lead to | show 🗑
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| B. Symptoms | show 🗑
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| C. Signs are | show 🗑
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| show | is any abnormality of structure or function. It is a general term.
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| E. Disease is | show 🗑
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| show | one that affects one part or a limited region of the body: “The infection caused by the cat bite is localized to the hand.”
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| 2. A systemic disease affects | show 🗑
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| show | the art of distinguishing one disease from another or determining the nature of a disease.
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| show | generally determined after taking a medical history and performing a physical examination.
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| 2. Several noninvasive techniques are used clinically to assess certain aspects of body structure and function,they are: | show 🗑
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| show | observing the body for any changes that deviate from normal
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| b. Palpation | show 🗑
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| show | listening to body sounds, often using a stethoscope
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| d. Percussion | show 🗑
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| show | measuring temperature, pulse, respiratory rate, and blood pressure
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| B. Body fluids are primarily located within three different areas (or spaces) | show 🗑
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| show | the space inside the cell. This fluid is called intracellular fluid (ICF)
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| 2. 2nd Space where fluid is found: | show 🗑
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| 3. 3rd Space where fluid is found: | show 🗑
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| show |
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| show | internal environment.
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