Page 286-287 6. You have prepared the following schedule for a project in which the key resource is a backhoe. This schedule is contingent on having 3 backhoes. You receive a call from your partner‚ Brooker‚ who desperately needs 1 of your backhoes. You tell Brooker you would be willing to let him have the backhoe if you are still able to complete your project in 11 months. Develop a resource schedule in the loading chart that follows to see if it is possible to complete the project in 11 months
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range for the human body? Yes 6. Did the PCO2 level change during the course of normal breathing? If so‚ how? No‚ it stayed at 40mm Hg Activity 2a: Hyperventilation – Run 1 1. At 20 seconds‚ pH = 7.43 2. At 40 seconds‚ pH = 7.52 3. At 60 seconds‚ pH = 7.67 4. Maximum pH = 7.68 5. Did the pH level of the blood change at all during this run? If so‚ how? Yes pH levels in the blood did change‚ they increased over the course of the run 6. Was the pH level always within
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PhysioEx – Exercise 9 Activity 1: 1. excretion and regulation 2. glomerular capillaries (glomerulus) & Bowman’s capsule 3. The filtrate flows from the Bowman’s capsule into the renal tubule called the proximal convoluted tubule then into the loop of Henle‚ and finally into the distal convoluted tubule: a. Proximal Convoluted Tubule b. Loop of Henle c. Distal Convoluted Tubule 4. When the radius of the afferent arteriole was decreased‚ the pressure and the filtration rate both decreased
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restaurant. The owner of the restaurant is deciding whether or not to buy a new unit. The two charts display the temperature for the past two weeks. Write a paragraph analyzing the control charts and argue whether the owner should buy a new unit or not. (5-6 sentences). I would counsel the owner to purchase the new unit. The two charts below show a large variation in temperatures. When storing food for freshness large variations in temperature over time can allow bacteria growth and cause food spoilage.
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Activity 1 Pre-Lab Quiz K+ inside a cell = 150 mM; K+ outside a cell = 5 mM Na+ inside a cell = 5 mM; Na+ outside a cell = 150 mM Stop & Think question What is the polarity of the resting membrane potential (voltage)? Negative What does it mean that the voltage just inside the membrane is negative? B Membrane of most cells contains K+ leak channels…..b What will happen to the resting membrane potential if the extracellular K+ concentration is increase? Less negative What happens
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EXERCISE 10: Acid-Base Balance Grading: True/False‚ Multiple-Choice‚ and Fill-in-the-blank type questions will be worth 1 point each whereas Short-answer type questions will be worth 2 points each. This lab will be worth a total of 45 points but will be converted to a percentage grade when registered in your “Gradebook”. |ACTIVITY 1: Hyperventilation |Answers | |A
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“normal” range for the human body? Yes it was. 6. Did the PCO2 level change during the course of normal breathing? If so‚ how? No it did not change either. Activity 2a: Hyperventilation – Run 1 1. At 20 seconds‚ pH = 7.48 2. At 40 seconds‚ pH = 7.52 3. At 60 seconds‚ pH = 7.65 4. Maximum pH = 7.65 5. Did the pH level of the blood change at all during this run? If so‚ how? Yes it did‚ when the breathing rate changed the pH began to rise. 6. Was the pH level always within the “normal” range
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Both Adonis and Attis may be considered "resurrection gods." True What are the two names for Aphrodite that are linked with the islands of Cythera and Cyprus? (Spell them carefully.) Cytherea and Cypris According to one tradition‚ Aphrodite is the daughter of Zeus and _____. Dione What is the distinction between Aphrodite Urania and Aphrodite Pandemos? Urania: sprung from Uranus alone ; Pandemos: sprung from Zeus and Dione According to our textbook‚ Aphrodite is the goddess of love
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Activity 1: Electrical Stimulation 1. Do you see any kind of response on the oscilloscope screen? NO 2. What was the threshold voltage‚ or the voltage at which you first saw an action potential? 3.0 V 3. How does this tracing compare to the one that was generated at the threshold voltage? The tracing travel in the same fashion but the tracing were different with an increase threshold voltage 4. What reason can you give for the change? Increase voltage 5. Record this maximal voltage here:
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Activity 1 1. Increasing extracellular K+ reduces the net diffusion of K+ out of the neuron through the K+ leak channels because the membrane is permeable to K+ ions. Therefore‚ the K+ ions will diffuse down its concentration gradient from a region of higher concentration to a region of lower concentration. 2. Increasing extracellular K+ causes the membrane potential to change to a less negative value because the K+ ions diffuse out across the membrane. My results went well compared to my prediction
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