NGN NCLEX UPDATED Actual Questions
and CORRECT Answers
pH - CORRECT ANSWER- ✔✔7.35-7.45
PCO2 - CORRECT ANSWER- ✔✔35-45
HCO3 - CORRECT ANSWER- ✔✔22-26
PO2 - CORRECT ANSWER- ✔✔80-100%
SaO2 - CORRECT ANSWER- ✔✔96-100%
BUN - CORRECT ANSWER- ✔✔8-25
Creatinine - CORRECT ANSWER- ✔✔0.5-1
Waste product filtered out by kidneys
Total cholesterol - CORRECT ANSWER- ✔✔under 200
HDL - CORRECT ANSWER- ✔✔30-70
Good cholesterol
LDL
Bad cholesterol - CORRECT ANSWER- ✔✔less than 130
Triglycerides - CORRECT ANSWER- ✔✔under 200
Type of lipid that circulates in blood
High amount- increase risk heart disease and stroke
,protein - CORRECT ANSWER- ✔✔6-8
albumin - CORRECT ANSWER- ✔✔3.5-5
-checks liver and kidney function
- high=dehydration, diarrhea
-low=kidney/liver disease, infection, inflammation
amylase - CORRECT ANSWER- ✔✔25-151
Enzyme helps digest carbs
lipase - CORRECT ANSWER- ✔✔10-140
Enzyme made in pancreas that break down fats
High- problem w prancers
ammonia - CORRECT ANSWER- ✔✔10-80
Toxic waste product made during protein digestion
High- liver disease, kidney failure, genetic disorder, Reyes
ALT/AST - CORRECT ANSWER- ✔✔10-40
Bilirubin - CORRECT ANSWER- ✔✔total less then 1.5
glucose - CORRECT ANSWER- ✔✔70-100
A1C - CORRECT ANSWER- ✔✔under 6%
Average blood sugar over 3 months
hemoglobin - CORRECT ANSWER- ✔✔woman 12-15, male 14-16
,hematocrit - CORRECT ANSWER- ✔✔female 35-45% male 40-50%
platelets - CORRECT ANSWER- ✔✔150,000-400,000
aPTT - CORRECT ANSWER- ✔✔20-30 seconds
PT - CORRECT ANSWER- ✔✔9-11 seconds
INR - CORRECT ANSWER- ✔✔1 (with warfarin 2-3)
K - CORRECT ANSWER- ✔✔3.5-5.0: intracellular, neuromuscular/muscular contraction,
regulated by kidney.
o Foods: avocado, potatoes, spinach, strawberries, tomatoes, raisins
o NEVER GIVEN IV PUSH, IM, SUBQ, max infusion 10 mEq/hr, K can cause
phlebitis=assess IV site frequently, assess renal function before administering, monitor I&O
o High/low=impacted heart rhythm, and muscle function w/ leg cramping
o High d/t: K retaining diuretics, CRF, Addison's, tissue damage- if CRF=Kayexalate, IV
glucose with insulin, Ca, dialysis, avoid salt substitutes
o Low d/t diuretics/corticosteroids, vomiting, diarrhea, NG suction, CRF, -no supplements on
empty stomach
o Hypo=st depression Hyper=Tall T waves
Na - CORRECT ANSWER- ✔✔135-145: extracellular, regulates cell size and osmosis,
maintains water balance, nerve impulses, muscle contraction, BP, blood volume, regulates
acid-base balance, regulated by salt intake, aldosterone, urinary output
o Hyponatremia: d/t burns, diarrhea, HF, diuretics, vomiting, diaphoresis, CRF, SIADH, ^BS
*Lithium Tox!
• S/s: mental confusion, seizures, hallucinations, brain herniation, death
o Hypernatremia: HTN, edema, Cushing's, CRF, hyperaldosteronism, hormones, NSAIDS
• s/s: lethargic, excitability, hypovolemia, pulm edema, muscle twitches, coma, dry flushed
skin
, Chloride - CORRECT ANSWER- ✔✔96-106: helps balance Na, extracellular fluid
WBC - CORRECT ANSWER- ✔✔5,000-10,oo0
60% Neutrophil: bacteria/fungus
40% Lymphocyte: virus/tumor
8% Monocyte: nonspecific
3% Eosinophil: allergies
0% Basophil: allergies
Troponin - CORRECT ANSWER- ✔✔lower then 0.1
BNP - CORRECT ANSWER- ✔✔under 100 (+100=HF)
Mg - CORRECT ANSWER- ✔✔1.5-2.5: ½ in bone, muscle and nerve function, heart rhythm
o Hypermg: d/t CRF, antacids, Addisons, DM- give calcium gluconate
• s/s: lethargy, n/v, slurred speech, weakness, decreased DTR, slowed cardiac conduction
o Hypomg: d/t malnutrition, pre-e, ETOH, DKA, Crohn's, hyperglycemia, sepsis
• s/s: tingling, twitching, tetany, delirium, convulsions, + Chvostek/Trousseau, hyperreflexia
Phosphorus - CORRECT ANSWER- ✔✔2.8-4.5: cell metabolism, combines w/ Ca in bone,
balanced by parathyroid gland. Ca~P (as one ^/other drops)
Calcium - CORRECT ANSWER- ✔✔9-11: cardiac contraction, bones, nerves, muscles,
clotting
o Hypercalcemia: d/t hyperparathyroidism, cancer, Paget's of bone, prolonged
immobilization. s/s: weakness, paralysis, decreased DTR. Monitor for kidney stones
o Hypocalcemia: d/t rickets, vit D deficiency, renal failure, pancreatitis, chelation therapy,
hypoparathyroidism.
• s/s: CATS: convulsions-arrhythmias-tetany-spasms/stridor, +Chvostek sign (cheek)
Trousseau (BP arm)
