COMPLETE ACTUAL EXAM QUESTIONS WITH DETAILED VERIFIED ANSWERS
/ALREADY GRADED A+ //BRAND NEW
1. Which level of organization is the smallest living unit of the body?
A) Tissue
B) Cell
C) Organ
D) Organ system
Answer: B
Rationale: The cell is the smallest unit that can carry out all life processes.
2. Which body system provides protection, regulates temperature, and synthesizes vitamin D?
A) Skeletal
B) Muscular
C) Integumentary
D) Nervous
Answer: C
Rationale: The integumentary system includes skin, hair, and nails and performs these functions.
3. Which directional term means toward the midline of the body?
A) Lateral
B) Medial
C) Proximal
D) Distal
Answer: B
Rationale: Medial means closer to the midline; lateral means farther from it.
4. Which plane divides the body into equal left and right halves?
A) Transverse
,B) Frontal
C) Sagittal
D) Midsagittal
Answer: D
Rationale: A midsagittal plane divides the body into equal right and left halves.
5. Which cavity contains the heart and lungs?
A) Abdominal
B) Pelvic
C) Thoracic
D) Cranial
Answer: C
Rationale: The thoracic cavity contains the heart, lungs, and mediastinum.
6. Which serous membrane lines the abdominal cavity?
A) Pleura
B) Pericardium
C) Peritoneum
D) Meninges
Answer: C
Rationale: The peritoneum lines the abdominal cavity and covers abdominal organs.
7. What is the primary function of mitochondria?
A) Protein synthesis
B) ATP production
C) Lipid storage
D) Waste elimination
Answer: B
Rationale: Mitochondria produce ATP through cellular respiration.
8. Which organelle synthesizes proteins?
A) Ribosome
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,B) Lysosome
C) Golgi apparatus
D) Smooth endoplasmic reticulum
Answer: A
Rationale: Ribosomes assemble amino acids into proteins.
9. Which process moves water across a semipermeable membrane from low to high solute
concentration?
A) Diffusion
B) Osmosis
C) Active transport
D) Phagocytosis
Answer: B
Rationale: Osmosis is the movement of water down its concentration gradient.
10. Which transport process requires ATP?
A) Simple diffusion
B) Facilitated diffusion
C) Osmosis
D) Active transport
Answer: D
Rationale: Active transport requires energy to move substances against their gradient.
11. Which phase of mitosis involves chromosomes aligning at the cell equator?
A) Prophase
B) Metaphase
C) Anaphase
D) Telophase
Answer: B
Rationale: During metaphase, chromosomes line up along the metaphase plate.
12. Which type of tissue covers body surfaces and lines cavities?
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, A) Epithelial
B) Connective
C) Muscle
D) Nervous
Answer: A
Rationale: Epithelial tissue covers and lines surfaces and forms glands.
13. Which type of tissue binds and supports body parts?
A) Epithelial
B) Connective
C) Muscle
D) Nervous
Answer: B
Rationale: Connective tissue connects, supports, and protects organs.
14. Which muscle tissue is voluntary and striated?
A) Cardiac
B) Smooth
C) Skeletal
D) Visceral
Answer: C
Rationale: Skeletal muscle is voluntary and shows striations.
15. Which type of cartilage is found in the intervertebral discs?
A) Hyaline
B) Elastic
C) Fibrocartilage
D) Articular
Answer: C
Rationale: Fibrocartilage provides shock absorption in intervertebral discs.
16. Which gland is responsible for thermoregulation through sweat production?
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