2025/2026 Study Guide
100 Original Questions & Answers with Rationale
1. Which formed element is primarily responsible for transporting oxygen?
A. Platelet
B. Erythrocyte
C. Neutrophil
D. Monocyte
Correct Answer: B. Erythrocyte
Solution / Rationale: Erythrocytes contain hemoglobin, which binds and transports most oxygen in the blood.
2. Which statement best answers this A&P concept? Which formed element is primarily responsible for
transporting oxygen?
A. Erythrocyte
B. Neutrophil
C. Monocyte
D. Platelet
Correct Answer: A. Erythrocyte
Solution / Rationale: Erythrocytes contain hemoglobin, which binds and transports most oxygen in the blood.
3. During an A&P Exam 5 review, which formed element is primarily responsible for transporting
oxygen?
A. Neutrophil
B. Monocyte
C. Platelet
D. Erythrocyte
Correct Answer: D. Erythrocyte
Solution / Rationale: Erythrocytes contain hemoglobin, which binds and transports most oxygen in the blood.
A&P Exam 5 | Updated 2025/2026 | 100 Original Questions & Solutions
,4. Apply structure-function reasoning: Which formed element is primarily responsible for transporting
oxygen?
A. Monocyte
B. Platelet
C. Erythrocyte
D. Neutrophil
Correct Answer: C. Erythrocyte
Solution / Rationale: Erythrocytes contain hemoglobin, which binds and transports most oxygen in the blood.
5. Which plasma protein contributes most to colloid osmotic pressure?
A. Fibrin
B. Hemoglobin
C. Actin
D. Albumin
Correct Answer: D. Albumin
Solution / Rationale: Albumin is the most abundant plasma protein and is a major determinant of plasma
colloid osmotic pressure.
6. Which statement best answers this A&P concept? Which plasma protein contributes most to colloid
osmotic pressure?
A. Hemoglobin
B. Actin
C. Albumin
D. Fibrin
Correct Answer: C. Albumin
Solution / Rationale: Albumin is the most abundant plasma protein and is a major determinant of plasma
colloid osmotic pressure.
7. During an A&P Exam 5 review, which plasma protein contributes most to colloid osmotic pressure?
A. Actin
B. Albumin
A&P Exam 5 | Updated 2025/2026 | 100 Original Questions & Solutions
, C. Fibrin
D. Hemoglobin
Correct Answer: B. Albumin
Solution / Rationale: Albumin is the most abundant plasma protein and is a major determinant of plasma
colloid osmotic pressure.
8. Apply structure-function reasoning: Which plasma protein contributes most to colloid osmotic
pressure?
A. Albumin
B. Fibrin
C. Hemoglobin
D. Actin
Correct Answer: A. Albumin
Solution / Rationale: Albumin is the most abundant plasma protein and is a major determinant of plasma
colloid osmotic pressure.
9. Which blood component is most directly involved in forming the initial platelet plug?
A. Albumin
B. Lymph
C. Erythrocytes
D. Platelets
Correct Answer: D. Platelets
Solution / Rationale: Platelets adhere, activate, and aggregate at sites of vessel injury to form the initial
platelet plug.
10. Which statement best answers this A&P concept? Which blood component is most directly involved in
forming the initial platelet plug?
A. Lymph
B. Erythrocytes
C. Platelets
D. Albumin
A&P Exam 5 | Updated 2025/2026 | 100 Original Questions & Solutions