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REX-Pn Study Set questions with correct answers 2024/2025
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REX-Pn Study SetSodium lab value range - ANS135-145
Potassium lab value range - ANS3.5-5.0
Calcium lab value range - ANS8.5-10.5
Chloride lab value range - ANS95-105
Magnesium lab value range - ANS1.5-2.5
Phosphate lab value range - ANS2.5-4.5
Normal vital signs in newborn (0-1 month) - ANSTemperature: 36.5° to 37.3° C
HR/Pulse: 100- 180 bpm
RR: 30 to 60
BP: 60-90/45-55
SPO2: 95-100%
Normal vital signs in infants (1-12 month) - ANSTemperature: 36.5° to 37.3° C
HR: 100-160 bpm
RR: 20-40
BP: 70-100/55-65
SPO2: 95-100%
Normal vital signs in Toddlers (1-2 years old) - ANSTemperature: 36.5° to 37.3° C
HR: 80-140
RR: 20-35
BP: 70-110/55-70
SPO2: 95-100%
Normal vital signs in Preschoolers (3-5 years old) - ANSTemperature: 36.5° to 37.3° C
HR: 70-120
RR: 20-30
BP: 80-110/60-75
SPO2: 95-100%
Normal vital signs in School age (6-12 years old) - ANSTemperature: 36.5° to 37.3° C
HR: 65-105
RR: 18-25
BP: 80-120/60-75
,SPO2: 95-100%
Normal vital signs in adolescents (13+) - ANSTemperature: 36.5° to 37.3° C,
HR: 60-100
RR: 12-20
BP: 90-120/65-85
SPO2: 95-100%, 88-92% for COPD
RBC lab value - ANSFemale: 4.7-6.1 million/mm3, Male: 4.2-5.4 million/mm3
WBC lab values - ANS5,000-10,000/mm3
Platelet lab values - ANS200,000-400,000/mm3
Hemoglobin lab values - ANSMale: 140-180, Female: 120-160
Hemocrit lab value - ANSMale: 42 - 52%, Female: 37 - 47%
Pco2 lab Values - ANS35-45 mm Hg
HCO3 lab values - ANS24-26 mmol/L
PO2 lab values - ANS80-100 mmHg
Glucose lab values - ANS4-6 mmol/L
Creatinine lab values - ANS0.6-1.35
Triglycerides lab value - ANS40-50
Bilirubin lab value - ANSless than 1.0 mg/dL
Protein lab value - ANS6.2-8.1
Albumin lab values - ANS3.5-5.0
PTT lab value - ANS20-36 seconds, x 1.5-2.5 longer (heparin)
PT lab values - ANS9-11 seconds
INR lab values - ANS0.9-1.8, 2-3 (warfarin)
Warfarin antidote - ANSVitamin K
,Heparin antidote - ANSprotamine sulfate
Digoxin antidote - ANSDigibind
magnesium antidote - ANScalcium gluconate
Tylenol (acetaminophen) antidote - ANSN-acetylcysteine
Benzo antidote - ANSFlumazenil
Insulin antidote - ANSGlucose
Cholinergic Crisis antidote - ANSAtropine Sulfate
Stage 1 Pressure Ulcer Description - ANSSkin intact, non-blanchable, local redness
Stage 2 Pressure Ulcer Description - ANSOpen, shallow, red/pink colour, no slouch, intact or
open blister
Stage 3 Pressure Ulcer Description - ANSFull thickness skin loss, possible visible fat,
**NO BONE/MUSCLE SHOWING**
Stage 4 Pressure Ulcer Description - ANSFull thickness skin loss with bone, tendon, or muscle
showing
Unstageable Pressure Ulcer Description - ANSFull thickness with slough (scabbing) or eschar
(necrotic tissue)
Hypoglycemia Symptoms - ANSPale, fatigue, weakness, dizziness, cold or clammy skin
Hyperglycemia Symptoms - ANS- Polydipsia (excessive thirst)
- Polyuria (excessive urination)
- Polyphagia (excessive hunger)
- Blurred vision
- Fruity breath
Intravascular definition - ANSFluid inside a blood vessel
Isotonic solutions - ANSno osmotic force = cells neither swell nor shrink
Ex. 0.9% NS, D5W, LR
Hypotonic solutions - ANSMore dilute solutions cause water to enter cells. (Swell)
Ex. 0.45% NS
, Hypertonic solutions - ANSMore concentrated solutions so water is removed from cells (Skinny)
Ex. D10W, D50W, D5NS, D5 0.45% NS, 3% NS, D5LR
Sodium/potassium relationship - ANSinverse relationship; high Na = low K
Calcium/phosphorus relationship - ANSinverse relationship; high Ca = low Phos
Calcium/vitamin D relationship - ANSsimilar relationship; high Ca = high Vit D
Magnesium/calcium relationship - ANSsimilar relationship; low Mg = low Ca
Magnesium/potassium relationship - ANSsimilar relationship; low Mg = low K
Magnesium/phosphorus relationship - ANSinverse relationship; low Mg = high Phos
Respiratory acidosis - ANSlow pH, high CO2 (hypoventilation)
Metabolic acidosis - ANSlow pH, low HCO3
Respiratory alkalosis - ANShigh pH, low CO2 (hyperventilation)
Metabolic alkalosis - ANShigh pH, high HCO3, too much base
What does the body do during acidosis? - ANSRR increases to try and exhale acids
What does the body do during Alkalosis? - ANSRR decreases to try and retain CO2 in order to
neutralize and decrease the strength of excess bicarb
Universal donor - ANSType O
Universal recipient - ANSType AB
transfusion reaction - ANSSOB, chest pain/tightness, fever, back pain, anxiety, tachycardia,
hypotension
What is the WBC lab test used for? - ANStest to find out how many WBCs in the body to
determine if someone has an infection
blood urea nitrogen (BUN) range - ANS10-20
What is a BUN? - ANSBlood Urea Nitrogen, measurement of kidney function.
pH Lab values - ANS7.35-7.45
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