RMA Anatomy and Physiology 2 — Questions and Answers
Question 1: Which type of muscle tissue is involuntary and found only in the walls of the heart?
- Skeletal muscle
- Smooth muscle
- Cardiac muscle (Correct answer)
- Tendon tissue
Correct answer: Cardiac muscle
Cardiac muscle is striated, involuntary, and unique to the heart.
Question 2: What is the primary function of red blood cells?
- Fight infection
- Transport oxygen (Correct answer)
- Form clots
- Produce antibodies
Correct answer: Transport oxygen
Red blood cells carry oxygen via hemoglobin to body tissues.
Question 3: The exchange of gases between blood and air occurs in which lung structures?
- Bronchi
- Trachea
- Alveoli (Correct answer)
- Pleura
Correct answer: Alveoli
Alveoli are tiny air sacs where oxygen and carbon dioxide exchange occurs.
Question 4: Which gland regulates metabolism by secreting thyroxine?
- Adrenal gland
- Thyroid gland (Correct answer)
- Pituitary gland
- Pancreas
Correct answer: Thyroid gland
The thyroid gland produces thyroxine, which controls metabolic rate.
Question 5: What is the largest organ of the human body?
- Liver
- Brain
- Skin (Correct answer)
- Lungs
Correct answer: Skin
The skin is the body's largest organ and part of the integumentary system.
Question 6: Which part of the brain controls balance and coordination?
- Cerebrum
- Cerebellum (Correct answer)
- Medulla
- Thalamus
Correct answer: Cerebellum
The cerebellum coordinates voluntary movements and maintains balance.
Question 7: The functional unit of the kidney responsible for filtering blood is the:
- Nephron (Correct answer)
- Alveolus
- Neuron
- Villus
Correct answer: Nephron
The nephron filters blood and forms urine within the kidney.
RMA Anatomy and Physiology 2
Which type of muscle tissue is involuntary and found only in the walls of the heart?