Concept explainers
Introduction:
Blood is a connective tissue which flows from the heart through arteries and veins to all body parts. Whole blood consists of two elements- formed elements and plasma. The total volume of formed elements in the blood which are erythrocyte, platelets, and leukocytes is called as hematocrit. But clinically the total percentage of erythrocytes in blood is known as hematocrit.
Answer to Problem 1DYB
Correct answer:
The value of hematocrit varies according to sex and age of individuals. The hematocrit of very young children may vary from
Explanation of Solution
Reason for the correct statement:
Option b. is given as “a dehydrated adult male”. The percentage of hematocrit is affected by dehydration condition. If a person has a high hematocrit range it means the person is either suffering from dehydration or is involved in blood doping. As the value of hematocrit is already higher than children and females, its value will increase more in dehydration condition. Thus, the hematocrit value of a dehydrated male will be maximum. Hence; the hematocrit value would be highest in a dehydrated male.
Hence, option b. is correct.
Reasons for the incorrect statements:
Option a. is given as “a 10-year old child”. The hematocrit of very young children may vary from
Option c. is given as “a healthy, nonmenstruating female”. In adult females, the hematocrit value ranges between
Option d. is given as “a healthy, menstruating adult female”. In adult females, the hematocrit value ranges between
Hence, options a., c., and d. are incorrect.
The hematocrit range value would be highest in a ten-year-old boy than a dehydrated male and a healthy female.
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Chapter 18 Solutions
BIOL2403 LAB MANUAL 2019
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