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MOT 123

# 3 Test Review

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