BIO 202 EXAM 1 STUDY GUIDE QUESTIONS
WITH CORRECT ANSWERS 2025-2026
Physical characteristics of blood: CORRECT ANSWER Transport, Regulation, Protection
Transport functions includes: CORRECT ANSWER Delivering O2 and nutrients to body cells
Transporting metabolic wastes to lungs and kidneys for elimination
Transporting hormones from endocrine organs to target organs
Regulation functions include: CORRECT ANSWER -
Maintaining body temperature by absorbing and distributing heat
- Maintaining normal pH using buffers; alkaline reserve of bicarbonate ions
Maintaining adequate fluid volume in circulatory system
Protection functions include: CORRECT ANSWER Preventing blood
loss Plasma proteins and platelets in blood initiate clot formation
Preventing infection: CORRECT ANSWER Agents of immunity are carried in blood
- Antibodies
- Complement proteins
- White blood cells
Blood is the only fluid in body CORRECT ANSWER tissue
MatrixRis nonliving fluid called: CORRECT ANSWER plasma
Cells are living blood cells called CORRECT ANSWER formed elements
Erythrocytes CORRECT ANSWER (red blood cells, or RBCs)
, Leukocytes CORRECT ANSWER (white blood cells, or WBCs)
Platelets CORRECT ANSWER
Blood plasma is straw-colored sticky fluid CORRECT ANSWER and is About 90% water
Which blood cell is a complete blood cell CORRECT ANSWER WBC
Which blood cells have no nuclei or other organelles CORRECT ANSWER RBC
What are platelets CORRECT ANSWER are cell fragments
How long do most formed elements survive in bloodstream? CORRECT ANSWER only a few
days
Most blood cells originate CORRECT ANSWER in bone marrow
Erythrocytes are small-diameter (7.5 μm) cells that contribute to CORRECT ANSWER gas
transport
Hemoglobin makes up of cell volume -RCORRECT ANSWER -97%
Males CORRECT ANSWER 13-18g/100ml
Females CORRECT ANSWER 12-16 g/100ml
Hemoglobin consists of heme pigment bound to the protein globin CORRECT ANSWER
red
WITH CORRECT ANSWERS 2025-2026
Physical characteristics of blood: CORRECT ANSWER Transport, Regulation, Protection
Transport functions includes: CORRECT ANSWER Delivering O2 and nutrients to body cells
Transporting metabolic wastes to lungs and kidneys for elimination
Transporting hormones from endocrine organs to target organs
Regulation functions include: CORRECT ANSWER -
Maintaining body temperature by absorbing and distributing heat
- Maintaining normal pH using buffers; alkaline reserve of bicarbonate ions
Maintaining adequate fluid volume in circulatory system
Protection functions include: CORRECT ANSWER Preventing blood
loss Plasma proteins and platelets in blood initiate clot formation
Preventing infection: CORRECT ANSWER Agents of immunity are carried in blood
- Antibodies
- Complement proteins
- White blood cells
Blood is the only fluid in body CORRECT ANSWER tissue
MatrixRis nonliving fluid called: CORRECT ANSWER plasma
Cells are living blood cells called CORRECT ANSWER formed elements
Erythrocytes CORRECT ANSWER (red blood cells, or RBCs)
, Leukocytes CORRECT ANSWER (white blood cells, or WBCs)
Platelets CORRECT ANSWER
Blood plasma is straw-colored sticky fluid CORRECT ANSWER and is About 90% water
Which blood cell is a complete blood cell CORRECT ANSWER WBC
Which blood cells have no nuclei or other organelles CORRECT ANSWER RBC
What are platelets CORRECT ANSWER are cell fragments
How long do most formed elements survive in bloodstream? CORRECT ANSWER only a few
days
Most blood cells originate CORRECT ANSWER in bone marrow
Erythrocytes are small-diameter (7.5 μm) cells that contribute to CORRECT ANSWER gas
transport
Hemoglobin makes up of cell volume -RCORRECT ANSWER -97%
Males CORRECT ANSWER 13-18g/100ml
Females CORRECT ANSWER 12-16 g/100ml
Hemoglobin consists of heme pigment bound to the protein globin CORRECT ANSWER
red
