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MOT 123
# 3 Test Review
| Question | Answer |
|---|---|
| 96.5 – 99.5 degrees F is the normal range of what? | Body temperature |
| Heat is one of the four products of what process? | Cell respiration |
| What is the primary pathway of losing body heat? | Through your skin |
| _______ is heat from the that body transfers to cooler objects not touching the skin. | Radiation |
| __________ is heat loss to cooler objects or air that touch skin. | Conduction |
| __________ is air currents over the skin moving warmer air away from the skin. | Convection |
| ___________ happens when blood vessels become LARGER & increase blood flow. | Vasodilatation |
| __________ happens when blood vessels become SMALLER & decrease blood flow near skin to conserve heat. | Vasoconstriction |
| ______________ is excessive body heat lost to sweat evaporation on skin. | Evaporation |
| What part of your brain is the body’s thermostat? | Hypothalmus |
| Respiratory tract, Urinary tract, and Digestive tract are 3 places where ________ occurs. | Heat loss |
| An abnormally high temperature defines what? | A fever |
| synthesis (formation) reactions. Smaller molecules bond together to form larger molecules. Usually requiring energy in the form of ATP | Anabolism |
| decomposition. Breaking molecular bonds of larger molecules into smaller molecules. Cell respiration is a primary example of this. | Catabolism |
| __________ encompasses all of the reactions that take place within the body. | Metabolism |
| Glycolysis, Krebs Citric Acid Cycle, and Cytochrome Transport are 3 examples of what? | Cell Respiration |
| ______ is the primary source of energy. | Glucose |
| Proteins and fats are examples of what? | Alternate energy sources |
| A ____________ is defined as "The amount of energy needed to raise the temperature of 1 gram of water by 10 C." | Calorie |
| _____________ are organic molecules needed in very small amounts. | Vitamins |
| __________ are simple inorganic molecules needed in small amounts. | Minerals |
| BMR is what? | a calculation of the amount of heat produced in the body to try and measure metabolism |
| BMR stands for what? | Basic Metabolic Rate |
| List 3 factors that affect BMR. | Exercise, Age, Body configurations, Sex hormones, Decreased food intake, Climate |
| The ______ the climate, the slower the BMR. | Colder |
| Pyrogens cause what? | Fever |
| What are believed to chemically alter the thermostat settings of the hypothalamus,by making it think it needs to raise the temperature? | Endogenous pyrogens |
| __________ produces HEAT as one of the products, and is constantly occurring within the body. | Cell respiration |
| _________ increases the rate of cell respiration. | Thyroxine hormone |
| ___________ causes epinephrine to increase the rate of cell respiration especially in the heart, muscles & liver. | Stress situations |
| ______ produce heat during normal activity by producing ATP. | Organs |
| ________ increases metabolic activity in the digestive tract thus increasing heat. | Food intake |
| _______ increases metabolic rate. | Fever |
| Basic metabolic rate is gauged at__________. | at rest |
| factors of cell respiration which affect your body’s ability to product HEAT. | Stress, Normal active organs, Food intake |
| ___________ makes up 2/3 of body water. | Intracellular fluid |
| Concentration of things dissolved in liquid is what? | Osmolarity |
| ______ osmolarity = dehydration | High |
| ______ osmolarity = over hydrated | Low |
| If __________ are found in urine, osmolarity is HIGH (too much circulating, body needs to get rid of what it can’t absorb) | Chemicals |
| Cation are considered to be Postive or Negative? | Positive |
| Anionare considered to be Postive or Negative? | Negative |
| H+ & K + are examples of what? | Cations |
| SO4-2 & Cl- are examples of what? | Anions |
| What is the normal range for pH of blood | 7.34 - 7.45 |
| Primary element involved in electrolyte imbalances. | Na, K, Ca |
| pH 7 is considered what? | Neutral |
| pH -7 is considered what? | Acid |
| pH +7 is considered what? | Alkaline |
| _______ is the body’s ability to maintain homeostasis. | Buffer system |
| _____ effects the CNS and depresses impulses | Acidosis |
| Too many H+ ions and the body inability to exhale enough CO2 is what? | Respiratory Acidosis |
Created by:
kbcanarr
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