Ranges
Electrolytes
IV
Diagnostic testing
Labs
100

Platelet range

140,000 to 400,000

100

What does calcium do and where is it found?

Strengthen teeth and bones; 99% in bones and teeth, 1% blood

100

What is the purpose for IV therapy?

Maintain or provide daily body fluids and electrolytes, replace fluid and electrolyte loss, infusion of IV medications 

100

What is a normal range for A1C? Optimal disease control?

4.0%-5.5%; 6.5% or less

100

What is the normal specific gravity for urine?

1.005 to 1.029

200

Calcium Range

8.2 to 10.2 

200

What is the biggest concern in a patient with hyponatremia?

Seizures

200

Where is the shift in isotonic solutions?

There is no shift with isotonic. Concentration equals concentration of body fluids.

200

When does the body release troponin?

3-4 hours after an MI

200

What is a low platelet count?

Thrombocytopenia 

300

BUN range

6 to 20

300

What would you give a patient to treat hyperkalemia?

Kayexalate to move bowels

300

What are the problems associated with third-spacing?

Can cause rupture of cells, edema, respiratory problems and nerve compression

300

What labs do you look at to determine whether a patient has CHF?

B-type natriuretic peptide (BNP)

>400 is CHF

300

What is the normal white blood cell count?

4.5 to 11.1

400

Potassium range

3.5 to 5.3

400

What foods could you suggest to a patient with hypomagnesemia?

leafy greens, whole grains, beans, fish, almonds, soy

400

Which IV solution is most similar to electrolyte content of the body?

Lactated ringer's

400

A patient returns from having an EGD and would like a drink. What does the nurse do first?

Check that the gag reflex has returned

400

What does the glomerular filtration rate measure?

Volume of urine that is filtered by kidneys in 1 minute. Should be >60 mL/min

500

Hemoglobin range

Male: 14 to 17.3

Female: 11.7 to 15.5

500

How would a patient with hyperkalemia appear?

bradycardia, arrythmias, numbness or prickling sensation, flaccid paralysis, muscle weakness 

500

What is the only IV solution used to initiate and discontinue blood transfusions?

0.9% NaCl (normal saline)

500

Why is a thoracentesis done?

To remove excess fluid from the pleural space by inserting a needle through the chest wall.

500

What is the normal range for hematocrit?

Males: 42-52%

Females: 36-48%