alleryStart learning →About what proportion of all leukocytes are lymphocytes?
A20 to 30 percent
B50 to 70 percent
C2 to 8 percent
DUnder 1 percent
Answer & Solution
Correct answer: A. 20 to 30 percent
1. Lymphocytes are the second most common type of leukocyte.
2. They account for about 20 to 30 percent of all leukocytes.
3. The 50 to 70 percent share belongs to neutrophils, the most common type, so that option promotes lymphocytes one rank too far.
4. Under 1 percent describes basophils, the least common type.
_Source: OpenStax Anatomy and Physiology (CC BY 4.0), Ch 18 "The Cardiovascular System: Blood", section 18.4 Leukocytes and Platelets_
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