Which of the following would you expect to find in the urine of a dehydrated person?
diluted urine and high adh concentrations in the blood
concentrated urine and high adh concentrations in the blood
diluted urine and low adh concentrations in the blood
concentrated urine and low adh concentrations in the blood

The correct answer is B. Concentrated urine and high ADH concentrations in the blood

Explanation:

Dehydration occurs as the intake of liquid or water is insufficient in relation to the amount of liquid your body loses or requires for normal functioning. This leads to thirst, fatigue and even death in the cases of prolonged, extreme, dehydration.

Additionally, dehydration can be identified based on urine and blood tests. In this way, in dehydrated people, urine is concentrated which means urine is dark and thick due to low levels of liquids in the body. Also in blood, there is a high antidiuretic hormone (ADH) or vasopressin levels, this occurs as ADH is a hormone that regulates the amount of water in the body and when dehydration occurs this hormone is excessively released to let your body know it is necessary to preserve water. Thus, if a person is dehydrated you can expect "Concentrated urine and high ADH concentrations in the blood".

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