NASM CNC - Ch. 11 exam with correct answers.

NASM CNC - Ch. 11 exam with correct |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




answers

What percentage of total body mass does water constitute? - correct answers50 to 70% under normal
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living conditions without heavy sweat loss - fluctuates very little day-to-day
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intracellular fluid (ICF) - correct answersthe water contained within a cell's membrane, makes up
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approximately 2/3 of total body water; major ICF solute is potassium (k+) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




extracellular fluid (ECF) - correct answersthe water found outside of the body's cells - ECF is found
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between cells and transported throughout the body via arteries, veins, and capillaries; major ECF
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solute is sodium (Na+) |||\\\ |||\\\ |||\\\




osmolality - correct answersdescribes the concentration of solutes in a liquid - various compartments
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hold fluids but the primary regulator of hydration status is the osmolality of ECF, specifically plasma
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osmolality. multiple sites in the body house osmoreceptors that detect shifts in osmolality and
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generate responses to return the body to fluid and sodium homeostasis
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dipsogenic signal - correct answersphysiological factors such as high osmolality or low blood pressure,
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which prompt sodium and water appetite
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baroreceptors - correct answersspecialized nerves that can sense change in pressure in the heart or |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




blood vessels |||\\\




hypo-osmotic - correct answersa solution with a lesser concentration of solute (i.e., fresh water |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




compared to salt water) |||\\\ |||\\\ |||\\\




gastric emptying rate (GER) - correct answersthe rate at which fluids and their contents pass through
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the stomach via the pyloric sphincter and into the small intestine - the faster and more complete the
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GER, the more quickly carbohydrates and electrolytes can be absorbed into the mesentery system,
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where they feed the liver first and then the rest of the body via the vascular system
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, What are the 3 primary Involuntary actions that change the levels of fluid and electrolytes in the
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body? - correct answers- food & beverage intake |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




- sweat loss during exercise
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- urine loss during recovery
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What is the most significant influence-to-thirst for water? - correct answersECF osmolality
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convection - correct answersthe movement or flow of air over an object |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




euhydration - correct answersa normal hydration status |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




ad libitum - correct answerstranslates to "as desired" and refers to eating or drinking as you are
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normally driven to (i.e., not purposely overeating or undereating) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




What other factors, aside from hydration status, can contribute to heat illness? Check all that apply. -
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correct answers- heat, humidity, and convection |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




- environmental conditions, level of exertion, training status, body composition, clothing choice
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Which has the greatest effect of on a client's heart rate regarding hydration when exercising in
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environments of temperatures excess of 90 degrees? - correct answersdehydrated + no water during |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




exercise



exercise associated hyponatremia (EAH) - correct answersa potentially serious medical condition in
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which the plasma sodium falls below 135mmol/L, usually the result of fluid intake greatly exceeding
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sweat losses during prolonged exercise |||\\\ |||\\\ |||\\\ |||\\\




In most cases, calculating the average client's sweat loss is not necessary. However, for those clients
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that require a level of coaching where it is required, which equation provided yields a client's sweat
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loss volume kilograms? - correct answersinitial weight (kg) - post-exercise weight (kg) + fluid
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consumption during (kg) - urine volume (kg) |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\




There has been much discussion about the risk of Exercise-Associated Hyponatremia (EAH). Without
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diagnosing, what are some less severe symptoms that a client could exhibit who might be experiencing |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\ |||\\\