Fluid, Electrolyte, Acid-Base Balance

Which fluid has the highest concentration of protein anions?

• Blood plasma

• Interstitial fluid

• Intracellular fluid

Which fluid has the lowest concentration of Na+?

• Blood plasma

• Interstitial fluid

• Intracellular fluid

Which of the following is NOT a source of water intake?

• Beverages

• Food

• Metabolic water

• Sweat

Which of the following is a result of increased ADH release?

• Decreased water reabsorption

• Increased water reabsorption

• Thirst inhibition

• Decreased plasma osmolality

What is the effect of thirst inhibition on plasma osmolality?

• Increases

• Decreases

• No change

• Stimulates ADH release

What is the relationship between plasma osmolality and ADH release?

• Directly proportional

• Inversely proportional

• No relationship

• Random

Which of the following is an inhibitory feedback signal?

• Increase in dry mouth

• Activation of stomach and intestinal stretch receptors

• Decrease in saliva

• Increase in blood pressure

What happens when a person takes a drink?

• Increase in dry mouth

• Sensation of thirst

• Water moistens mouth and throat

• Decrease in stomach stretch

What happens to urine concentration when ADH levels decrease?

• Urine becomes more concentrated

• Urine becomes more dilute

• No change in urine concentration

• Urine production stops.

What describes a lack of water in the blood?

• Dehydration
• Rehydration
• Hydration
• Concentrated