RMA Anatomy and Physiology 3 — Questions and Answers
Question 1: Which bone protects the brain?
- Sternum
- Cranium (Correct answer)
- Femur
- Scapula
Correct answer: Cranium
The cranium (skull) encloses and protects the brain.
Question 2: What is the normal pH range of human blood?
- 6.0–6.8
- 7.35–7.45 (Correct answer)
- 8.0–8.5
- 5.5–6.5
Correct answer: 7.35–7.45
Blood is slightly alkaline, with a normal pH of 7.35 to 7.45.
Question 3: Which blood vessels carry blood away from the heart?
- Veins
- Capillaries
- Arteries (Correct answer)
- Venules
Correct answer: Arteries
Arteries carry oxygenated blood away from the heart to the body.
Question 4: The hormone insulin is produced by which organ?
- Liver
- Pancreas (Correct answer)
- Spleen
- Gallbladder
Correct answer: Pancreas
The pancreas secretes insulin to regulate blood glucose levels.
Question 5: Which system is responsible for producing antibodies to fight infection?
- Digestive system
- Immune system (Correct answer)
- Endocrine system
- Urinary system
Correct answer: Immune system
The immune system defends the body by producing antibodies against pathogens.
Question 6: What connects muscle to bone?
- Ligament
- Cartilage
- Tendon (Correct answer)
- Fascia
Correct answer: Tendon
Tendons attach muscle to bone, while ligaments connect bone to bone.
Question 7: Which chamber of the heart pumps oxygenated blood to the body?
- Right atrium
- Left ventricle (Correct answer)
- Right ventricle
- Left atrium
Correct answer: Left ventricle
The left ventricle pumps oxygen-rich blood into the aorta and the body.
RMA Anatomy and Physiology 3
Which bone protects the brain?