BIOS 252 Final Exam 4 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which organelle is responsible for ATP production in the cell?
A. Nucleus
B. Ribosome
C. Mitochondrion
D. Golgi apparatus
Correct Answer: C
Rationale: Mitochondria are the main site of ATP production
through cellular respiration.
2. Which type of tissue covers body surfaces and lines cavities?
A. Muscle tissue
B. Connective tissue
C. Epithelial tissue
D. Nervous tissue
Correct Answer: C
Rationale: Epithelial tissue forms protective coverings and linings.
,3. What is the main function of red blood cells?
A. Immune defense
B. Oxygen transport
C. Blood clotting
D. Hormone transport
Correct Answer: B
Rationale: Red blood cells carry oxygen via hemoglobin.
4. Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Synapse
D. Myelin sheath
Correct Answer: B
Rationale: Dendrites receive signals from other neurons.
5. Which electrolyte is most abundant in intracellular fluid?
A. Sodium
B. Potassium
C. Calcium
D. Chloride
Correct Answer: B
Rationale: Potassium is the primary intracellular cation.
6. What is the functional unit of the kidney?
,A. Nephron
B. Alveolus
C. Neuron
D. Sarcomere
Correct Answer: A
Rationale: Nephrons filter blood and form urine.
7. Which hormone regulates blood glucose levels?
A. Thyroxine
B. Insulin
C. Cortisol
D. Aldosterone
Correct Answer: B
Rationale: Insulin lowers blood glucose by facilitating uptake into
cells.
8. Which structure prevents food from entering the trachea?
A. Uvula
B. Epiglottis
C. Glottis
D. Pharynx
Correct Answer: B
Rationale: The epiglottis closes over the airway during swallowing.
9. What type of muscle is found in the heart?
, A. Skeletal
B. Smooth
C. Cardiac
D. Voluntary
Correct Answer: C
Rationale: Cardiac muscle is specialized for heart contractions.
10. Which system controls rapid body responses?
A. Endocrine
B. Nervous
C. Digestive
D. Respiratory
Correct Answer: B
Rationale: The nervous system provides quick responses via
electrical signals.
11. Which molecule carries genetic information?
A. RNA
B. DNA
C. ATP
D. Protein
Correct Answer: B
Rationale: DNA stores hereditary information.
12. Which chamber of the heart pumps oxygenated blood to the
body?
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which organelle is responsible for ATP production in the cell?
A. Nucleus
B. Ribosome
C. Mitochondrion
D. Golgi apparatus
Correct Answer: C
Rationale: Mitochondria are the main site of ATP production
through cellular respiration.
2. Which type of tissue covers body surfaces and lines cavities?
A. Muscle tissue
B. Connective tissue
C. Epithelial tissue
D. Nervous tissue
Correct Answer: C
Rationale: Epithelial tissue forms protective coverings and linings.
,3. What is the main function of red blood cells?
A. Immune defense
B. Oxygen transport
C. Blood clotting
D. Hormone transport
Correct Answer: B
Rationale: Red blood cells carry oxygen via hemoglobin.
4. Which part of the neuron receives incoming signals?
A. Axon
B. Dendrite
C. Synapse
D. Myelin sheath
Correct Answer: B
Rationale: Dendrites receive signals from other neurons.
5. Which electrolyte is most abundant in intracellular fluid?
A. Sodium
B. Potassium
C. Calcium
D. Chloride
Correct Answer: B
Rationale: Potassium is the primary intracellular cation.
6. What is the functional unit of the kidney?
,A. Nephron
B. Alveolus
C. Neuron
D. Sarcomere
Correct Answer: A
Rationale: Nephrons filter blood and form urine.
7. Which hormone regulates blood glucose levels?
A. Thyroxine
B. Insulin
C. Cortisol
D. Aldosterone
Correct Answer: B
Rationale: Insulin lowers blood glucose by facilitating uptake into
cells.
8. Which structure prevents food from entering the trachea?
A. Uvula
B. Epiglottis
C. Glottis
D. Pharynx
Correct Answer: B
Rationale: The epiglottis closes over the airway during swallowing.
9. What type of muscle is found in the heart?
, A. Skeletal
B. Smooth
C. Cardiac
D. Voluntary
Correct Answer: C
Rationale: Cardiac muscle is specialized for heart contractions.
10. Which system controls rapid body responses?
A. Endocrine
B. Nervous
C. Digestive
D. Respiratory
Correct Answer: B
Rationale: The nervous system provides quick responses via
electrical signals.
11. Which molecule carries genetic information?
A. RNA
B. DNA
C. ATP
D. Protein
Correct Answer: B
Rationale: DNA stores hereditary information.
12. Which chamber of the heart pumps oxygenated blood to the
body?
