BIO 201 ANATOMY AND PHYSIOLOGY COMPLETE
PRACTICE QUESTIONS AND ANSWERS SET (300 Q&A)
WITH DETAILED EXPLANATIONS FOR STUDY AND
REVIEW)
1. Which organelle is responsible for producing ATP?
A) Nucleus
B) Ribosome
CORRECT ANSWER C) Mitochondrion
D) Endoplasmic Reticulum
Explanation:
The mitochondrion is known as the "powerhouse" of the cell because it
produces ATP through cellular respiration.
2. Which type of tissue lines body cavities and surfaces?
CORRECT ANSWER A) Epithelial
B) Connective
C) Nervous
D) Muscle
Explanation:
Epithelial tissue covers surfaces and lines body cavities, forming protective
barriers.
3. The humerus is found in the:
,CORRECT ANSWER A) Arm
B) Leg
C) Skull
D) Spine
Explanation:
The humerus is the bone of the upper arm between the shoulder and the elbow.
4. Which plane divides the body into right and left halves?
CORRECT ANSWER A) Sagittal plane
B) Frontal plane
C) Transverse plane
D) Oblique plane
Explanation:
A sagittal plane divides the body into right and left portions.
5. The smallest living unit in the body is the:
A) Tissue
CORRECT ANSWER B) Cell
C) Organelle
D) Molecule
Explanation:
The cell is the fundamental unit of life in all living organisms.
6. Which structure stores calcium ions?
A) Nucleus
CORRECT ANSWER B) Smooth Endoplasmic Reticulum
C) Ribosome
D) Golgi apparatus
,Explanation:
The smooth ER in muscle cells, called the sarcoplasmic reticulum, stores
calcium.
7. Which of the following is NOT a function of the skeletal system?
A) Protection
B) Support
CORRECT ANSWER C) Hormone production
D) Mineral storage
Explanation:
The skeletal system does not produce hormones; it provides structure,
protection, and stores minerals.
8. What is the major cation found in extracellular fluid?
A) Potassium
CORRECT ANSWER B) Sodium
C) Calcium
D) Chloride
Explanation:
Sodium (Na⁺) is the main cation outside of cells.
9. The shaft of a long bone is called the:
A) Epiphysis
CORRECT ANSWER B) Diaphysis
C) Metaphysis
D) Periosteum
Explanation:
The diaphysis is the central shaft of a long bone.
, 10. Which organ is primarily responsible for filtering blood?
A) Heart
CORRECT ANSWER B) Kidney
C) Liver
D) Lung
Explanation:
The kidneys filter blood to remove waste products and excess substances.
11. Which connective tissue connects muscle to bone?
A) Ligament
CORRECT ANSWER B) Tendon
C) Cartilage
D) Areolar tissue
Explanation:
Tendons connect muscles to bones, enabling movement.
12. Which part of the neuron receives incoming signals?
CORRECT ANSWER A) Dendrites
B) Axon
C) Soma
D) Synapse
Explanation:
Dendrites are short extensions of the neuron that receive electrical messages.
13. Which vitamin is necessary for calcium absorption?
CORRECT ANSWER A) Vitamin D
B) Vitamin A
PRACTICE QUESTIONS AND ANSWERS SET (300 Q&A)
WITH DETAILED EXPLANATIONS FOR STUDY AND
REVIEW)
1. Which organelle is responsible for producing ATP?
A) Nucleus
B) Ribosome
CORRECT ANSWER C) Mitochondrion
D) Endoplasmic Reticulum
Explanation:
The mitochondrion is known as the "powerhouse" of the cell because it
produces ATP through cellular respiration.
2. Which type of tissue lines body cavities and surfaces?
CORRECT ANSWER A) Epithelial
B) Connective
C) Nervous
D) Muscle
Explanation:
Epithelial tissue covers surfaces and lines body cavities, forming protective
barriers.
3. The humerus is found in the:
,CORRECT ANSWER A) Arm
B) Leg
C) Skull
D) Spine
Explanation:
The humerus is the bone of the upper arm between the shoulder and the elbow.
4. Which plane divides the body into right and left halves?
CORRECT ANSWER A) Sagittal plane
B) Frontal plane
C) Transverse plane
D) Oblique plane
Explanation:
A sagittal plane divides the body into right and left portions.
5. The smallest living unit in the body is the:
A) Tissue
CORRECT ANSWER B) Cell
C) Organelle
D) Molecule
Explanation:
The cell is the fundamental unit of life in all living organisms.
6. Which structure stores calcium ions?
A) Nucleus
CORRECT ANSWER B) Smooth Endoplasmic Reticulum
C) Ribosome
D) Golgi apparatus
,Explanation:
The smooth ER in muscle cells, called the sarcoplasmic reticulum, stores
calcium.
7. Which of the following is NOT a function of the skeletal system?
A) Protection
B) Support
CORRECT ANSWER C) Hormone production
D) Mineral storage
Explanation:
The skeletal system does not produce hormones; it provides structure,
protection, and stores minerals.
8. What is the major cation found in extracellular fluid?
A) Potassium
CORRECT ANSWER B) Sodium
C) Calcium
D) Chloride
Explanation:
Sodium (Na⁺) is the main cation outside of cells.
9. The shaft of a long bone is called the:
A) Epiphysis
CORRECT ANSWER B) Diaphysis
C) Metaphysis
D) Periosteum
Explanation:
The diaphysis is the central shaft of a long bone.
, 10. Which organ is primarily responsible for filtering blood?
A) Heart
CORRECT ANSWER B) Kidney
C) Liver
D) Lung
Explanation:
The kidneys filter blood to remove waste products and excess substances.
11. Which connective tissue connects muscle to bone?
A) Ligament
CORRECT ANSWER B) Tendon
C) Cartilage
D) Areolar tissue
Explanation:
Tendons connect muscles to bones, enabling movement.
12. Which part of the neuron receives incoming signals?
CORRECT ANSWER A) Dendrites
B) Axon
C) Soma
D) Synapse
Explanation:
Dendrites are short extensions of the neuron that receive electrical messages.
13. Which vitamin is necessary for calcium absorption?
CORRECT ANSWER A) Vitamin D
B) Vitamin A
