WorksheetsLab Values
Total questions: 21
Worksheet time: 11mins
Which CBC component indicates oxygen-carrying capacity?
Hemoglobin
Hematocrit
Platelets
WBCs
A patient’s WBC count is 18,000/mm³ most likely indicates:
Anemia
Infection
Liver failure
Dehydration
Normal platelet range is:
10,000–50,000
50,000–100,000
150,000–400,000
500,000–900,000
A patient has Hgb 6.8 g/dL. What is the priority action?
Give fluids
Encourage ambulation
Notify provider
Recheck labs tomorrow
A neutrophil count of 1,000/mm³ indicates:
Normal immunity
Mild leukopenia
Neutropenia
Polycythemia
Which electrolyte imbalance most likely causes cardiac dysrhythmias?
Sodium imbalance
Potassium imbalance
Chloride imbalance
Magnesium imbalance
Normal potassium range:
2.0–3.0
3.5–5.0
5.5–7.0
1.0–2.0
A patient has Na+ 128 mEq/L. Which symptom occurs first?
Seizures
Confusion
Tachycardia
Tremors
BUN and creatinine measure:
Liver function
Immune function
Kidney function
Respiratory function
A patient with K+ = 6.2 mEq/L is at highest risk for:
Muscle cramps
Dysphagia
Ventricular dysrhythmias
Hypertension
Normal INR for a patient on warfarin:
0.5-1.2
1.0-2.0
2.0-3.0
4.0-5.0
A patient’s aPTT is 98 seconds—what medication are they likely receiving?
Warfarin
Heparin
Aspirin
Enoxaparin
A patient on heparin has aPTT of 120 sec—priority?
Increase infusion
Hold heparin
Give warfarin
No action needed
Which set of lab values is most concerning?
WBC 11,000; Hgb 12; K 4.0
Platelets 90,000; INR 2.1
Na 140; Cr 0.8
Hgb 13; K 3.7
A patient has bleeding gums and bruising. Which abnormal lab is expected?
High potassium
Low sodium
Low platelets
High hematocrit
What is the normal hemoglobin (Hgb) level for males?
13-17 g/dL
10-12 g/dL
18-22 g/dL
8-11 g/dL
What is the normal hemoglobin (Hgb) level for females? Fill in the blank: ______ g/dL
12-15 g/dL
10-13 g/dL
15-18 g/dL
8-11 g/dL
What is the normal hematocrit (Hct) value for males? Fill in the blank: ________
40-50%
30-40%
50-60%
25-35%
What is the normal hematocrit (Hct) value for females?
36-44%
28-34%
45-52%
50-60%
What is the normal WBC count? ________
4,500-11,000 / mm³
1,000-3,000 / mm³
12,000-20,000 / mm³
500-1,500 / mm³
What is the normal platelet count? Fill in the blank: ________ / mm³
150,000-400,000
50,000-100,000
400,000-600,000
10,000-50,000
