Sample Questions and Answers
Which of the following is NOT a function of the integumentary system?
A) Protection
B) Regulation of body temperature
C) Synthesis of vitamin C
D) Sensory reception
Answer: C
Which type of connective tissue connects muscles to bones?
A) Ligament
B) Tendon
C) Cartilage
D) Adipose tissue
Answer: B
The functional unit of the kidney that filters blood and forms urine is called the:
A) Neuron
B) Nephron
C) Alveolus
D) Villus
Answer: B
Which of the following tissues is responsible for the movement of body parts?
A) Nervous tissue
B) Muscle tissue
C) Epithelial tissue
D) Connective tissue
Answer: B
Which of the following is a characteristic of smooth muscle?
A) It is voluntary.
B) It is striated.
C) It is found in the walls of hollow organs.
D) It is multinucleated.
Answer: C
Which of the following structures stores calcium ions that are crucial for muscle contraction?
A) Sarcoplasmic reticulum
B) Mitochondria
C) Nucleus
D) Golgi apparatus
Answer: A
What part of the neuron carries nerve impulses toward the cell body?
A) Axon
B) Dendrite
C) Myelin sheath
D) Node of Ranvier
Answer: B
Which of the following organelles is involved in protein synthesis?
A) Ribosomes
B) Mitochondria
C) Endoplasmic reticulum
D) Lysosomes
Answer: A
The process by which cells divide to produce two identical daughter cells is called:
A) Meiosis
B) Mitosis
C) Apoptosis
D) Differentiation
Answer: B
Which part of the brain is primarily responsible for regulating homeostasis, including body temperature and hunger?
A) Cerebellum
B) Medulla oblongata
C) Hypothalamus
D) Hippocampus
Answer: C
The outermost layer of the skin is called the:
A) Dermis
B) Hypodermis
C) Epidermis
D) Endoderm
Answer: C
The ability of an organism to maintain a stable internal environment despite external changes is called:
A) Metabolism
B) Homeostasis
C) Respiration
D) Photosynthesis
Answer: B
Which of the following is the primary function of red blood cells?
A) Carry oxygen
B) Fight infection
C) Form clots
D) Regulate temperature
Answer: A
Which type of connective tissue connects bone to bone?
A) Cartilage
B) Tendon
C) Ligament
D) Adipose tissue
Answer: C
The process by which a cell uses oxygen to produce ATP is called:
A) Anaerobic respiration
B) Aerobic respiration
C) Glycolysis
D) Fermentation
Answer: B
Which of the following is the main role of the large intestine?
A) Absorption of nutrients
B) Storage of bile
C) Absorption of water and electrolytes
D) Detoxification
Answer: C
Which of the following is NOT a characteristic of skeletal muscle?
A) It is voluntary.
B) It is multinucleated.
C) It has striations.
D) It is found in the walls of internal organs.
Answer: D
Which part of the brain is responsible for balance and coordination?
A) Cerebellum
B) Cerebrum
C) Medulla oblongata
D) Pons
Answer: A
What type of bone is characterized by being dense and compact, found in the outer layers of bones?
A) Spongy bone
B) Compact bone
C) Cartilage
D) Bone marrow
Answer: B
Which of the following hormones regulates blood sugar levels by increasing glucose uptake into cells?
A) Insulin
B) Glucagon
C) Thyroxine
D) Cortisol
Answer: A
The process by which white blood cells engulf pathogens is known as:
A) Exocytosis
B) Endocytosis
C) Phagocytosis
D) Pinocytosis
Answer: C
Which structure in the respiratory system is responsible for gas exchange?
A) Trachea
B) Bronchi
C) Alveoli
D) Larynx
Answer: C
The basic unit of the nervous system is the:
A) Axon
B) Neuron
C) Glial cell
D) Synapse
Answer: B
Which of the following is a function of the skeletal system?
A) Production of red blood cells
B) Protection of the digestive organs
C) Movement of limbs
D) Synthesis of hormones
Answer: A
The region of the brain that controls emotions and memory is the:
A) Cerebellum
B) Hypothalamus
C) Limbic system
D) Medulla oblongata
Answer: C
What is the primary function of the integumentary system in maintaining homeostasis?
A) Production of blood cells
B) Synthesis of vitamin D
C) Coordination of body movements
D) Regulation of internal body temperature
Answer: D
Which muscle type is involuntary and found in the walls of blood vessels?
A) Skeletal muscle
B) Cardiac muscle
C) Smooth muscle
D) Voluntary muscle
Answer: C
Which part of the brainstem controls involuntary functions such as heart rate and respiration?
A) Medulla oblongata
B) Pons
C) Cerebellum
D) Thalamus
Answer: A
Which of the following is NOT a component of the circulatory system?
A) Heart
B) Lungs
C) Blood vessels
D) Kidneys
Answer: D
The cells responsible for transmitting nerve impulses are called:
A) Red blood cells
B) Neurons
C) Osteocytes
D) Epithelial cells
Answer: B
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