A Saline Solution Is Administered Intravenously to Patients Who Cannot

question 114

Multiple Choice

A saline solution is administered intravenously to patients who cannot take fluid orally and are in danger of dehydration. The osmotic pressure of this solution must match that of blood to prevent hemolysis or crenation of blood cells. What mass of sodium chloride (58.44 g/mol) is needed to produce 100.0 mL of saline solution with an osmotic pressure of 7.83 atm at a body temperature of 37C?

• A)0.899 g
• B)8.99 g
• C)18.0 g
• D)1.80 g
• E)0.450 g

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Definitions:

Fetal Presentation

The position of a fetus within the uterus in relation to the birth canal, classified by the part of the fetus (e.g., head, breech) nearest to the cervix.

Fetal Head

The part of the fetus that usually enters the birth canal first during childbirth; it's critical in assessing the progress and position during labor.

Pelvis

The lower part of the torso, located between the abdomen and the thighs, consisting of the pelvic bones.

Colostrum

The first form of milk produced by the mammary glands of mammals (including humans) immediately following delivery of the newborn, rich in antibodies and nutrients.