A charge nurse is providing teaching to a newly licensed nurse who is caring for a client who has postpartum hemorrhagic shock. Which of the following statements should the charge nurse make?

Manifestations of shock might not appear until a client loses 20% of their blood volume.

Hemorrhagic shock will cause an increase in a client's serum pH level.

The most accurate indication of organ perfusion is a client's urine output.

An infusion of 1 mL of lactated Ringer's is given for each 1 mL of blood loss.