Q: Define the following terms. (i) Rate constant (k) (ii) Activation energy ( Ea)
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Q: RELEASE OF HEAT RADIATION OCCURS 1. in the presence of fences and objects having a lower surface…
A: Radiation occurs when heat is transferred from one object to another as energy waves termed infrared…
Q: True or Fale. Heat capacity is numerically equal to specific heat.
A: Heat capacity is the amount of heat needed to change the temperature of a unit mass 1°.
Q: List the physiological adaptations that occur during acclimatization to heat.
A: Thermoregulation is an ability through which an organism can maintain its body temperature in a…
Q: Explain Control of Heat Loss by Radiation?
A: The heat is lost in the form of evaporation of the sweat in the body via a process called radiation…
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A: Biosphere is the entire area on the earth along with its atmosphere in it. All the organisms and the…
Q: One among the following statements is true regarding temperature regulation: A. Excess blankets or…
A: Thermoregulation It is the ability to balance the body temperature within normal range. Several…
Q: WITH A DECREASE IN RELATIVE HUMIDITY C 1. increase of the heat output by radiation 2. Reduction of…
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Q: Why does a significant increase in core temperature represent a threat to life?
A: Homeotherms are those life forms that keep up the inner internal heat level affected by factor…
Q: Explain the activity at optimum temperature and the meaning of optimum temperature
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Q: Define the term shivering thermogenesis?
A: Content brief: The production of heat within the tissues to raise the body temperature is…
Q: What are two methods of storing energy? Between the two, which is safer for the environment and the…
A: Stored energy is energy that has built through time and can abruptly release, causing significant…
Q: WHICH FACTOR DOES NOT APPLY TO HARMFUL AND DANGEROUS PRODUCTION FACTORS 1. physical 2. chemical 3.…
A: Factors for production can be biological, chemical, mechanical etc.
Q: How is energy measured?
A: Energy is the capacity to do work.
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A: In biology, the heat stress index is defined as the amount of evaporation needed by a person's…
Q: Describe the general principles of the control of body temperature?
A: Introduction Humans and Aves are known to be endothermic animals. Endothermic animals are those…
Q: Discuss the role of the preoptic-anterior hypothalamus as the body’s thermostat.
A: Role of preoptic anterior hypothalamus as body thermostat.
Q: Define the following terms: a. proteostasis network b. molecular chaperones c. heat shock response…
A: As per the honor code, we answer only three subparts at a time. Therefore we are answering the first…
Q: Define Optimum Temperature.
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Q: Why is temperature regulation important?
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Q: When the ambient (room) temperature is very high, the human body will lose heat by
A: Thermoregulation in humans is an important aspect of homeostasis. Humans have been able to adapt to…
Q: Humans maintaining an average internal temperature of 37 °C is an example of which of the following?
A: The body temperature of human body is regulated by the hypothalamus of the brain and maintains…
Q: Classify heat capacity and specific heat capacity as an extensive or intensive property. heat…
A: A property which can be measured and tells about the physical system state is termed as physical…
Q: Which type of heat exchanger could be used to materials contains high amount of vitamins?
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Q: Q(Lost by food)=Q(gained by water) Q(gained by water) = m*c*T Where, m- mass of water in grams c-…
A:
Q: Discuss both moist and dry heat methods, and identify multiple examples of each.
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Q: Which of the following is/are direct effect/s of heat exposure in an industry? (ou may choose more…
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Q: 02 6. How could knowing the aerotolerance of an organism causing an infection be useful?
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Q: Define Evaporative Cooling. How Evaporative Cooling contributes to Life.
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Q: in what ways are temperature and heat transfer used in health sciences?
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Q: INCREASE IN HUMIDITY AIR CAUSES 1. increase of the heat output by evaporation 2. reduction of the…
A: Answer3- reduction in heat release by radiation
Q: Notice that the person described in the flowchart is shivering, even though his body temperature is…
A: Temperature regulation is a very important phenomena in warm blooded bodies. Temperature regulation…
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A: Energy is needed for all living organisms for their activity and the energy is obtained from the…
Q: Why does dry heat require more time and higher temperatures than moist heat?
A: The reason is given below.
- Define: lower critical temperature, thermoneutral zone, upper critical temperature
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- Define Optimum Temperature.Using the provided data on the activity part, what is the acquired R value? Is it acceptable or not? If not, what laboratory techniques should be improved? Concentration Absorbance 6 3.69267 8 3.69667 10 3.69667 12 3.701 14 3.708 16 3.70867A patient requires 2200 kcal/day from D50 (50% dextrose) and 8.5% aa (initial concentration). What is the hourly final goal rate of TPN? Group of answer choices 45 ml/hr 90 ml/hr 110 ml/hr 75 ml/hr
- True or False: Maintenance of a high level of exchangeable potassium is highly desirable for assurance of high yields. Select one: O True FalseExplain the effects of the following changes on reactant and product concentrations:Give the color of the chicken liver (glycogen) mixed with Lugol's iodine solution in these situations: before exposure in a water bath: after exposure in a water bath: after cooling from the water bath:
- A 10-L stirred tank is used to cultivate mouse myeloma cells. Dry air is sparged from the bottom at 1.0 L/min to supply oxygen to the system. The gas composition at the outler is 16% oxygen, 3.5% CO2, 6.5% water vapor, and balanced nitrogen. The ambient pressure and temperature are 1 atm and 37 °C, respectively. The dissolved oxygen in the reactor is controlled at 20% of saturation with ambient air. What is the respiratory quotinent (RQ) (i.e., mole CO2 produced/mol O2 consumed)? Assume that the mole fraction of CO2 in the ambient air is negligible. The universal gas constant R = 0.082 L*atm/mol*KA 10-L stirred tank is used to cultivate mouse myeloma cells. Dry air is sparged from the bottom at 1.0 L/min to supply oxygen to the system. The gas composition at the outler is 16% oxygen, 3.5% CO2, 6.5% water vapor, and balanced nitrogen. The ambient pressure and temperature are 1 atm and 37 °C, respectively. The dissolved oxygen in the reactor is controlled at 20% of saturation with ambient air. a. Assuming the reactor is at a steady-state, what is the volumetric oxygen transfer coefficient (kLa)? b. The specific OUR of myeloma cells is 5*10-11 mmol/cell*h. What is the cell concentration? c. What is the respiratory quotinent (RQ) (i.e., mole CO2 produced/mol O2 consumed)? Assume that the mole fraction of CO2 in the ambient air is negligible. The universal gas constant R = 0.082 L*atm/mol*KDuring hyperthermia treatments for certain diseases, heat is deposited in the tissue via microwave heating. Write the general form of the Pennes bioheat equation for the treated tissue volume. In the equation, please include the external heating term due to microwave heating, the metabolic heat generation term, and the Pennes blood perfusion term. The local blood perfusion in the tissue volume is 5 ml/(100g tissue min) given in typical medical textbooks. (a) First convert the blood perfusion rate into a value with a unit of 1/s. The density and specific heat of blood are 1050 kg/m³ and 3800 J/kg°C, respectively. (b) The average tissue temperature is 45°C during the heating treatment. Calculate the value of the average volumetric heat generation rate represented by the blood perfusion term. What kind of roles does the blood play during hyperthermia treatment, i.e., carrying the heat away from the treatment site or adding energy to the treatment site? Please compare the calculated…
- Give the color of the cooked rice mixed with Lugol's iodine solution in these situations before exposure in a water bath: after exposure in a water bath: after cooling from the water bath:Hw.115.Assume an adult female who weighs 50 kg drinks 2 L of water every day and the absorption factor for the chemical of concern is 75 percent. The concentration of the chemical in the drinking water is 55 ppb. Determine the dose in mg/kg-day.