P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
BIOL 252 Module 1
Questions & Answers
2026-2027 | Complete
Study Guide
Verified Answers Exam Ready With Rationales
158 QUESTIONS
DOCUMENT OVERVIEW
This document contains 158 verified questions with correct answers and concise
explanations, focusing on the subject of blood and its components. It is suitable for
students preparing for exams, reviewing course material, or seeking certification in related
fields, providing a comprehensive resource for mastering essential concepts in hematology.
CONTENTS
• Blood Composition • Formed Elements
• Anemia Types • Erythrocyte Production
• Leukocytes Overview • Platelet Function
• Hemostasis Process • Coagulation Cascade
• Fibrinolysis and Clot Control • Hematopoiesis
Page 1
,• Blood Transfusion
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 158
Blood
CORRECT ANSWER
A fluid connective tissue made up of formed elements (cells and cell fragments) and a fluid
extracellular matrix called plasma.
Q2 QUESTION 2 OF 158
Formed elements
CORRECT ANSWER
Cellular components of blood: erythrocytes (RBCs), leukocytes (WBCs), and thrombocytes
(platelets).
Q3 QUESTION 3 OF 158
Plasma
CORRECT ANSWER
The fluid matrix of blood that suspends formed elements; mostly water with proteins,
electrolytes, and other solutes.
Q4 QUESTION 4 OF 158
Unique feature of blood as connective tissue
Page 2
, CORRECT ANSWER
Its extracellular matrix (plasma) is fluid.
Q5 QUESTION 5 OF 158
Color of blood
CORRECT ANSWER
Bright red when oxygenated; dark red when deoxygenated due to hemoglobin's color change
with oxygen saturation.
Q6 QUESTION 6 OF 158
Viscosity
CORRECT ANSWER
Thickness of blood; about five times more viscous than water due to plasma proteins and
formed elements.
Q7 QUESTION 7 OF 158
Blood temperature
CORRECT ANSWER
Approximately 100.4°F—slightly higher than body temperature because of friction and
resistance in blood flow.
Q8 QUESTION 8 OF 158
Blood pH
CORRECT ANSWER
Averages 7.4 (range 7.35-7.45); slightly alkaline.
Page 3
, Q9 QUESTION 9 OF 158
Blood volume
CORRECT ANSWER
About 8% of body weight; 5-6 liters in males, 4-5 liters in females.
Q10 QUESTION 10 OF 158
Primary function of blood
CORRECT ANSWER
Transport oxygen, nutrients, and waste; also functions in defense, heat distribution, and
homeostasis.
Q11 QUESTION 11 OF 158
Transportation
CORRECT ANSWER
Carries oxygen, nutrients, hormones, and removes carbon dioxide and metabolic wastes to
excretory organs.
Q12 QUESTION 12 OF 158
Defense
CORRECT ANSWER
Leukocytes protect against pathogens and abnormal cells; platelets and plasma proteins clot
blood to prevent loss.
Q13 QUESTION 13 OF 158
Maintenance of homeostasis
Page 4