Question

if a doctor wanted to find out the number of white blood cells in a patients blood, he or she would order a(n)
a. urinalysis
b. comprehensive metabolic panel
c. mri
d. complete blood count

Explanation:

• Urinalysis (A) examines urine, not blood cells.
• Comprehensive metabolic panel (B) checks blood chemicals like glucose and electrolytes, not cell counts.
• MRI (C) is an imaging test for body structures, not blood cell analysis.
• Complete blood count (D) specifically counts blood cells including white blood cells.

Answer:

D. complete blood count