You are examining a blood smear and see microbial cocci in the smear. You know a leukocyte/white blood cell diameter is approximatley 9 micrometers. You see 3 microbes, side by side, span the diameter of the leukocyte. What is the diameter of 1 microbe including correct units?
You are examining a blood smear and see microbial cocci in the smear. You know a leukocyte/white blood cell diameter is approximatley 9 micrometers. You see 3 microbes, side by side, span the diameter of the leukocyte. What is the diameter of 1 microbe including correct units?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
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### Blood Smear Examination and Microbial Measurement
You are examining a blood smear and see microbial cocci in the smear.
You know a leukocyte/white blood cell diameter is approximately 9 micrometers.
You see 3 microbes, side by side, span the diameter of the leukocyte.
**Question:**
What is the diameter of 1 microbe including correct units?
**Options:**
- 3 micrometers/microbe
- 3 microbes/micrometer
- 2 microbes/micrometer
- 2 micrometers/microbe
- 4.5 micrometers/microbe
- 4 microbes/micrometer
In this problem, you are required to determine the diameter of each microbe based on their relationship to the known diameter of a leukocyte. If 3 microbes span a 9-micrometer leukocyte, then each microbe has a diameter of 3 micrometers. Therefore, the correct option is:
- 3 micrometers/microbe
This type of calculation involves dividing the total diameter covered by the microbes (9 micrometers) by the number of microbes (3), providing the average diameter for one microbe.
Expert Solution
Step 1
White blood cells (WBCs), also called leukocytes, are the cells responsible to provide immunity to the body, it helps in protecting the body against both infectious disease and foreign invaders
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