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A&P II final study
Anatomy and physiology
| Question | Answer |
|---|---|
| what are the forces responsible for normal inspiration | Atmospheric pressure due to weight of the air is the force that moves air into the lungs |
| What are the forces responsible for normal expiration | force responsible is from elastic recoil of lung tissues and from surface tension |
| What is the function of iron | enables hemoglobin molecules in red blood cells to carry oxygen |
| What is the function of calcium | structure of bones and teeth |
| what is the function of phosphorus | metabolic reactions |
| what is the function of potassium | maintains osmotic pressure and regulate pH |
| what is the function of sulfur | amino acids, thiamine, insulin and biotin |
| what is the function of sodium | osmotic pressure and regulate water movement |
| what is the function of Chlorine | osmotic pressure, regulate pH |
| What is the function of magnesium | metabolic reaction |
| in a typical U.S. diet how much of the percentage of total body image is supplied by carbohydrates | 50% |
| The American heart association recommends what percentage of calories of a person's diet should be derived from fat and protein | 30% |
| The amounr off oxygen released from oxyhemoglobinincreases when carbon dioxide concentration increases | 75% |
| what is the first event in inspiration | atmospheric pressure due to the weight of the air |
| The renal corpuscle is composed of what | filtering unit with blood capillaries (glamorous) and a surrouding thin walled saclike structure called glomerular capsule |
| What is urine composed of | 95% water and contains urea and uric acid and may have a trace of amino acids and elctrolytes |
| What happens if the arteriole that supplies the blood to the glomerulus becomes constricted | Can result in kidney failure |
| what is the countercurrent mechanism and where does it primarily function | primarily functions in nephron loops, it ensure that the medullary intertitial fluids becomes hypertonic |
| function of the kidneys | main function is to regulate the volume, compostion, and pH of body fluids |
| An increase in glomerular osmotic pressure in an increase in the rate of what | Capillary pressure |
| what is extra-cellular fluid | similiar in composition, high concentration of sodium, chloride, calcium, and bicarbonate ions, and lesser concentration of potassium, magnesium, phosphate, and sodium ions |
| what is intra-cellular fluid | high concentrations of potassium, phosphate, and magnesium ions, greater concentration of sulfate ions and lesser sodium, chloride, and bicarbonare ions. has greater concentration of protein than plasma |
| What regulates the movement of water and electrolytes between fluid compartments | intracellular and extracellular composition |
| a person in a moderate enviroment probably would lose the greatest amount of water by what means | exercise adn lack of hydration |
| Acid base buffer systems minimize pH changes by what mechanism | bicarbonate buffer system, phosphate buffer system, protein buffer system |
| define the acid base buffers in blood | H+ dorps carboxyl group can becoame ionized, releasing hydrogen thus resisting pH change |
| What are the bronial tree and branches | composes of secondary or lobar and bronchi (2 on left and 3 on right) branches: right and left primary bronchi, secondary bronchi, tertiary bronchi, intralobular bronchioles, terminal bronchioles, respiratory bronchioles, aveolar ducts, alveolar sac, aveo |
Created by:
corton
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