NBCE BOARDS PART 1 CHISOPRACTIC EXAM
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2026|INSTANT DOWNLOAD PDF
1. Which structure protects the brain and spinal cord?
A. Peripheral nerves
B. Meninges
C. Cartilage
D. Ligaments
Rationale: The meninges (dura, arachnoid, pia) surround CNS
structures.
Correct Answer: B
2. The functional unit of the kidney is the:
A. Neuron
B. Nephron
C. Alveolus
D. Sarcomere
Rationale: The nephron filters blood and forms urine.
Correct Answer: B
3. ATP is primarily produced in the:
A. Nucleus
B. Ribosome
,C. Mitochondria
D. Golgi body
Rationale: Mitochondria generate ATP via oxidative
phosphorylation.
Correct Answer: C
4. Which blood cells are responsible for immunity?
A. Erythrocytes
B. Platelets
C. Leukocytes
D. Plasma cells only
Rationale: White blood cells defend against pathogens.
Correct Answer: C
5. The primary function of red blood cells is to:
A. Fight infection
B. Carry oxygen
C. Produce hormones
D. Clot blood
Rationale: RBCs transport oxygen via hemoglobin.
Correct Answer: B
6. The largest organ in the human body is the:
A. Liver
B. Brain
,C. Skin
D. Heart
Rationale: Skin covers the entire body surface.
Correct Answer: C
7. Enzymes function by:
A. Increasing activation energy
B. Lowering activation energy
C. Destroying substrates
D. Producing ATP directly
Rationale: Enzymes speed reactions by lowering activation
energy.
Correct Answer: B
8. DNA is located primarily in the:
A. Cytoplasm
B. Ribosome
C. Nucleus
D. Lysosome
Rationale: DNA is stored in the nucleus of eukaryotic cells.
Correct Answer: C
9. The normal pH of human blood is approximately:
A. 6.5
B. 7.0
, C. 7.4
D. 8.0
Rationale: Blood is slightly alkaline at ~7.4.
Correct Answer: C
10. The smallest functional unit of life is the:
A. Tissue
B. Organ
C. Cell
D. System
Rationale: Cells are the basic unit of life.
Correct Answer: C
11. Which bone forms the forehead?
A. Parietal
B. Frontal
C. Occipital
D. Temporal
Rationale: The frontal bone forms the forehead region.
Correct Answer: B
12. Insulin is produced by the:
A. Liver
B. Pancreas
C. Kidney
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) Q&A 2026|INSTANT DOWNLOAD PDF
1. Which structure protects the brain and spinal cord?
A. Peripheral nerves
B. Meninges
C. Cartilage
D. Ligaments
Rationale: The meninges (dura, arachnoid, pia) surround CNS
structures.
Correct Answer: B
2. The functional unit of the kidney is the:
A. Neuron
B. Nephron
C. Alveolus
D. Sarcomere
Rationale: The nephron filters blood and forms urine.
Correct Answer: B
3. ATP is primarily produced in the:
A. Nucleus
B. Ribosome
,C. Mitochondria
D. Golgi body
Rationale: Mitochondria generate ATP via oxidative
phosphorylation.
Correct Answer: C
4. Which blood cells are responsible for immunity?
A. Erythrocytes
B. Platelets
C. Leukocytes
D. Plasma cells only
Rationale: White blood cells defend against pathogens.
Correct Answer: C
5. The primary function of red blood cells is to:
A. Fight infection
B. Carry oxygen
C. Produce hormones
D. Clot blood
Rationale: RBCs transport oxygen via hemoglobin.
Correct Answer: B
6. The largest organ in the human body is the:
A. Liver
B. Brain
,C. Skin
D. Heart
Rationale: Skin covers the entire body surface.
Correct Answer: C
7. Enzymes function by:
A. Increasing activation energy
B. Lowering activation energy
C. Destroying substrates
D. Producing ATP directly
Rationale: Enzymes speed reactions by lowering activation
energy.
Correct Answer: B
8. DNA is located primarily in the:
A. Cytoplasm
B. Ribosome
C. Nucleus
D. Lysosome
Rationale: DNA is stored in the nucleus of eukaryotic cells.
Correct Answer: C
9. The normal pH of human blood is approximately:
A. 6.5
B. 7.0
, C. 7.4
D. 8.0
Rationale: Blood is slightly alkaline at ~7.4.
Correct Answer: C
10. The smallest functional unit of life is the:
A. Tissue
B. Organ
C. Cell
D. System
Rationale: Cells are the basic unit of life.
Correct Answer: C
11. Which bone forms the forehead?
A. Parietal
B. Frontal
C. Occipital
D. Temporal
Rationale: The frontal bone forms the forehead region.
Correct Answer: B
12. Insulin is produced by the:
A. Liver
B. Pancreas
C. Kidney
