BIOS 242 Midterm Exam 4 (Latest Update
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which level of organization is the simplest?
A. Organ system
B. Organ
C. Tissue
D. Cell
Correct answer: D
Rationale: The cell is the basic structural and functional unit of life.
2. Which organelle controls cell activities?
A. Ribosome
B. Mitochondria
C. Nucleus
D. Golgi apparatus
Correct answer: C
Rationale: The nucleus contains DNA and regulates cell functions.
3. Which process moves molecules from high to low
concentration?
,A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct answer: B
Rationale: Diffusion is a passive process that does not require
energy.
4. Which type of tissue covers body surfaces?
A. Muscle
B. Connective
C. Nervous
D. Epithelial
Correct answer: D
Rationale: Epithelial tissue lines surfaces and cavities.
5. Which organelle is known as the powerhouse of the cell?
A. Nucleus
B. Mitochondria
C. Lysosome
D. Ribosome
Correct answer: B
Rationale: Mitochondria produce ATP through cellular respiration.
,6. Which system controls rapid body responses?
A. Endocrine
B. Nervous
C. Digestive
D. Respiratory
Correct answer: B
Rationale: The nervous system uses electrical signals for fast
communication.
7. Which type of muscle is involuntary?
A. Skeletal
B. Smooth
C. Voluntary
D. Striated only
Correct answer: B
Rationale: Smooth muscle is involuntary and found in internal
organs.
8. Which blood component fights infection?
A. Red blood cells
B. Platelets
C. Plasma
D. White blood cells
Correct answer: D
, Rationale: White blood cells are responsible for immune defense.
9. Which organ filters blood to form urine?
A. Liver
B. Kidney
C. Heart
D. Lung
Correct answer: B
Rationale: The kidneys remove waste and regulate fluid balance.
10. Which system transports oxygen?
A. Digestive
B. Respiratory
C. Circulatory
D. Skeletal
Correct answer: C
Rationale: The circulatory system carries oxygen via blood.
11. Which structure connects bone to bone?
A. Tendon
B. Ligament
C. Cartilage
D. Muscle
Correct answer: B
) Anatomy and Physiology IV
with Lab | Questions & Answers | 100%
Correct | Grade A - Chamberlain
1. Which level of organization is the simplest?
A. Organ system
B. Organ
C. Tissue
D. Cell
Correct answer: D
Rationale: The cell is the basic structural and functional unit of life.
2. Which organelle controls cell activities?
A. Ribosome
B. Mitochondria
C. Nucleus
D. Golgi apparatus
Correct answer: C
Rationale: The nucleus contains DNA and regulates cell functions.
3. Which process moves molecules from high to low
concentration?
,A. Active transport
B. Diffusion
C. Endocytosis
D. Exocytosis
Correct answer: B
Rationale: Diffusion is a passive process that does not require
energy.
4. Which type of tissue covers body surfaces?
A. Muscle
B. Connective
C. Nervous
D. Epithelial
Correct answer: D
Rationale: Epithelial tissue lines surfaces and cavities.
5. Which organelle is known as the powerhouse of the cell?
A. Nucleus
B. Mitochondria
C. Lysosome
D. Ribosome
Correct answer: B
Rationale: Mitochondria produce ATP through cellular respiration.
,6. Which system controls rapid body responses?
A. Endocrine
B. Nervous
C. Digestive
D. Respiratory
Correct answer: B
Rationale: The nervous system uses electrical signals for fast
communication.
7. Which type of muscle is involuntary?
A. Skeletal
B. Smooth
C. Voluntary
D. Striated only
Correct answer: B
Rationale: Smooth muscle is involuntary and found in internal
organs.
8. Which blood component fights infection?
A. Red blood cells
B. Platelets
C. Plasma
D. White blood cells
Correct answer: D
, Rationale: White blood cells are responsible for immune defense.
9. Which organ filters blood to form urine?
A. Liver
B. Kidney
C. Heart
D. Lung
Correct answer: B
Rationale: The kidneys remove waste and regulate fluid balance.
10. Which system transports oxygen?
A. Digestive
B. Respiratory
C. Circulatory
D. Skeletal
Correct answer: C
Rationale: The circulatory system carries oxygen via blood.
11. Which structure connects bone to bone?
A. Tendon
B. Ligament
C. Cartilage
D. Muscle
Correct answer: B
