What primarily maintains extracellular fluid osmolarity?

a. Chloride
b. Magnesium
c. Potassium
d. Sodium


D
Sodium, as the primary extracellular electrolyte, controls the osmolarity (either too much or too little) of the extracellular fluid.

Nursing

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In order for the vocational nursing student to attain licensure, the NCLEX-PNĀ® must be passed with a score that is:

a. 70% or better. b. defined and set by each state. c. designated as "pass." d. within the 75th percentile.

Nursing

The nurse assesses the oral mucosa for pathological color changes. Which finding does the nurse expect to see in the patient's mouth, and why does the nurse expect to find it?

a. Ecchymosis, because it often is bluish green b. Cyanosis, because it can occur as an ashen tongue c. Petechiae, because they are easily visible in all patients d. Erythema, because the gums should be pink and moist

Nursing

What is a moderator variable?

A) Affect the strength or direction of a relationship between independent variables B) Affect the strength or direction of a relationship between the independent and dependent variables C) Intervene between the independent and dependent variable D) Help to explain why the relationship exists

Nursing

Glaucoma has no cure

Indicate whether the statement is true or false.

Nursing