THORAX ABDOMEN AND PELVIS

MEDICAL

KIDNEY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
NaCl is isotonic to red blood cells. Which of these describes what will happen if a technician misplaces a decimal point and makes 9.0% NaCl solution instead and administers it to a patient?
A
The cells exposed to the solution will burst.
B
The cells exposed to the solution will shrink.
C
The cells will remain the same size.
D
The cells exposed to the solution will expand but not burst.
Explanation: 

Detailed explanation-1: -Q. 0.9% NaCl is isotonic to red blood cells. Which of these describes what will happen if a technician misplaces a decimal point and makes 9.0% NaCl solution instead and administers it to a patient? The cells exposed to the solution will burst.

Detailed explanation-2: -It would fill with water and burst.

Detailed explanation-3: -Answer and Explanation: If 0.9% NaCl were isotonic to a cell then anything greater than 0.9% would be hypertonic. A hypertonic solution is one which has a greater concentration of dissolved solutes while an isotonic one has a similar concentration of solutes.

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