Anatomy MCQs & Answers
- Radius
- Femur
- Liver
- Sternum
Ans. C
The liver is not a bone; it is an internal organ.
- Heart
- Lungs
- Skin
- Brain
Ans. C
The skin is the largest organ in the human body.
- Cerebellum
- Cerebrum
- Medulla oblongata
- Thalamus
Ans. C
The medulla oblongata is responsible for regulating basic bodily functions.
- Hinge joint
- Ball-and-socket joint
- Fixed joint
- Pivot joint
Ans. C
There is no such thing as a “Fixed joint” in the human body.
- Ulna
- Fibula
- Radius
- Tibia
Ans. A
The ulna and radius are bones in the human forearm.
- Rib cage
- Spine
- Skull
- Pelvis
Ans. C
The skull protects the brain.
- Carry oxygen
- Fight infections
- Clot blood
- Produce insulin
Ans. A
Red blood cells carry oxygen to the body’s tissues.
- Producing bile
- Regulating blood sugar
- Filtering waste from the blood
- Storing urine
Ans. C
The kidneys filter waste from the blood and produce urine.
- Digest food
- Exchange gases (oxygen and carbon dioxide)
- Pump blood
- Produce hormones
Ans. B
The respiratory system is primarily responsible for exchanging gases (oxygen and carbon dioxide) with the environment.
- Humerus
- Scapula
- Clavicle
- Sternum
Ans. C
The clavicle is commonly known as the “collarbone.”
- Cerebellum
- Cerebrum
- Medulla oblongata
- Thalamus
Ans. B
The cerebrum is the largest part of the brain and responsible for higher-order thinking and reasoning.
- Phalanges
- Carpals
- Metatarsals
- Radius
Ans. C
Metatarsals are bones found in the foot, not the hand.
- Liver
- Stomach
- Pancreas
- Spleen
Ans. C
The pancreas produces insulin to regulate blood sugar levels.
- Skeletal muscle
- Cardiac muscle
- Adipose tissue
- Smooth muscle
Ans. C
Adipose tissue is not a type of muscle tissue; it is a type of connective tissue that stores fat.
- Liver
- Lungs
- Kidneys
- Stomach
Ans. C
The kidneys are responsible for filtering and producing urine.
- Transport oxygen
- Exchange gases
- Break down and absorb nutrients
- Regulate body temperature
Ans. C
The digestive system’s main function is to break down and absorb nutrients from food.
- Carry oxygen
- Fight infections and provide immunity
- Clot blood
- Produce bile
Ans. B
White blood cells, or leukocytes, primarily function to fight infections and provide immunity.
- Retina
- Iris
- Cornea
- Lens
Ans. B
The iris controls the amount of light entering the eye by adjusting the size of the pupil.
- Liver
- Stomach
- Lungs
- Kidneys
Ans. C
The lungs are a vital part of the human respiratory system.
- Produce insulin
- Store and release bile to aid in digestion
- Filter blood
- Regulate body temperature
Ans. B
The gallbladder stores and releases bile to aid in digestion.
- Brain
- Spinal cord
- Liver
- Nerves
Ans. C
The liver is not part of the human nervous system; it is an internal organ.
- Filter blood
- Produce hormones
- Break down and absorb nutrients from food
- Pump blood
Ans. C
The small intestine’s primary function is to break down and absorb nutrients from food.
- Gallbladder
- Kidneys
- Lungs
- Heart
Ans. A
The gallbladder stores and concentrates bile produced by the liver.
- Cerebellum
- Cerebrum
- Hippocampus
- Thalamus
Ans. A
The cerebellum is responsible for coordinating muscle movements and balance.
- Neutrophil
- Monocyte
- Lymphocyte
- Platelet
Ans. C
Lymphocytes are involved in the immune response and antibody production.
- Break down food into chyme
- Store bile
- Transport food from the mouth to the stomach
- Produce insulin
Ans. C
The esophagus transports food from the mouth to the stomach.
- Artery
- Vein
- Capillary
- Ligament
Ans. D
Ligaments are not blood vessels; they are connective tissues that connect bones to each other.
- Pinna
- Auditory canal
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) are responsible for transmitting sound vibrations to the inner ear.
- Pancreas
- Pituitary gland
- Thyroid gland
- Adrenal gland
Ans. C
The thyroid gland regulates metabolism and energy production.
- Femur
- Fibula
- Tibia
- Patella
Ans. C
The tibia is commonly known as the “shinbone.”
- Stomach
- Small intestine
- Pancreas
- Liver
Ans. C
The pancreas is part of the human endocrine system and produces hormones such as insulin.
- Produce red blood cells
- Store calcium
- Produce digestive enzymes
- Filter toxins
Ans. A
The red bone marrow is responsible for producing red blood cells.
- Cornea
- Iris
- Lens
- Vitreous humor
Ans. C
The lens of the eye is responsible for focusing incoming light on the retina.
- Liver
- Pancreas
- Spleen
- Thyroid
Ans. B
The pancreas is responsible for producing insulin and regulating blood sugar levels.
- Spinal cord
- Peripheral nerves
- Liver
- Kidneys
Ans. A
The spinal cord is part of the central nervous system.
- Produce mucus
- Exchange oxygen and carbon dioxide with the bloodstream
- Produce digestive enzymes
- Filter toxins from the air
Ans. B
The alveoli are responsible for exchanging oxygen and carbon dioxide with the bloodstream.
- Pinna
- Auditory canal
- Cochlea
- Ossicles (ear bones)
Ans. C
The cochlea is responsible for converting sound vibrations into electrical signals for the brain to interpret.
- Skeletal muscle
- Cardiac muscle
- Smooth muscle
- Adipose tissue
Ans. A
Skeletal muscle is under voluntary control.
- Produce bile
- Filter blood
- Break down food into chyme
- Absorb water and electrolytes
Ans. D
The main function of the large intestine is to absorb water and electrolytes.
- Arteries
- Veins
- Capillaries
- Alveoli
Ans. A
Arteries carry oxygen-rich blood away from the heart to the body’s tissues.
- Heart
- Liver
- Lungs
- Kidneys
Ans. B
The liver is responsible for detoxifying the blood and producing bile for digestion.
- Clot blood
- Carry oxygen to body tissues
- Produce insulin
- Filter toxins from the bloodstream
Ans. B
Red blood cells primarily function to carry oxygen to body tissues.
- Cornea
- Iris
- Retina
- Lens
Ans. C
The retina of the eye contains photoreceptor cells responsible for vision.
- Thyroid gland
- Pancreas
- Pituitary gland
- Adrenal gland
Ans. C
The pituitary gland is often referred to as the “master gland” because it controls other endocrine glands.
- Stomach
- Small intestine
- Esophagus
- Large intestine
Ans. B
The small intestine is responsible for absorbing nutrients from digested food into the bloodstream.
- Liver
- Kidneys
- Lungs
- Heart
Ans. B
The kidneys are responsible for producing urine and regulating fluid balance.
- Skeletal muscle
- Cardiac muscle
- Smooth muscle
- Adipose tissue
Ans. C
Smooth muscle is found in the walls of internal organs and operates involuntarily.
- Cerebrum
- Hippocampus
- Medulla oblongata
- Thalamus
Ans. C
The medulla oblongata is responsible for regulating body temperature and vital functions.
- Trachea
- Bronchi
- Alveoli
- Larynx
Ans. C
The alveoli are responsible for gas exchange with the bloodstream.
- Pinna
- Vestibule
- Semicircular canals
- Ossicles (ear bones)
Ans. C
The semicircular canals are responsible for maintaining balance and spatial orientation.
- Filter toxins from the air
- Exchange oxygen and carbon dioxide with the bloodstream
- Produce mucus
- Conduct air to and from the lungs
Ans. D
The bronchial tubes conduct air to and from the lungs.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. C
The autonomic nervous system controls involuntary functions like heartbeat and breathing.
- Spleen
- Kidneys
- Bone marrow
- Liver
Ans. C
Bone marrow is responsible for producing red and white blood cells.
- Produce mucus
- Filter toxins from the air
- Prevent food from entering the trachea during swallowing
- Exchange oxygen and carbon dioxide with the bloodstream
Ans. C
The main function of the epiglottis is to prevent food from entering the trachea during swallowing.
- Pancreas
- Pineal gland
- Pituitary gland
- Adrenal gland
Ans. B
The pineal gland is responsible for producing melatonin and regulating sleep-wake cycles.
- Pinna
- Auditory canal
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) transmit sound vibrations from the eardrum to the inner ear.
- Gallbladder
- Kidneys
- Lungs
- Heart
Ans. A
The gallbladder stores and concentrates bile produced by the liver.
- Liver
- Kidneys
- Bones and muscles
- Stomach
Ans. C
Bones and muscles are part of the human musculoskeletal system.
- Trachea
- Larynx
- Bronchi
- Alveoli
Ans. B
The larynx is responsible for vocalization and speech production.
- Stomach
- Esophagus
- Small intestine
- Large intestine
Ans. A
The stomach is primarily responsible for breaking down food into chyme.
- Liver
- Gallbladder
- Stomach
- Pancreas
Ans. D
The pancreas is responsible for producing digestive enzymes for the small intestine.
- Cerebrum
- Cerebellum
- Medulla oblongata
- Hippocampus
Ans. C
The medulla oblongata regulates vital functions such as heart rate, breathing, and blood pressure.
- Pinna
- Auditory canal
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) amplify sound vibrations from the eardrum to the inner ear.
- Thyroid gland
- Pituitary gland
- Adrenal gland
- Pancreas
Ans. A
The thyroid gland produces hormones that regulate the body’s metabolism.
- Cornea
- Retina
- Iris
- Lens
Ans. C
The iris controls the size of the pupil and the amount of light entering the eye.
- Trachea
- Alveoli
- Nasal passages
- Larynx
Ans. C
The nasal passages filter and moisten the air we breathe.
- Arteries
- Veins
- Capillaries
- Alveoli
Ans. B
Veins carry oxygen-poor blood from the body back to the heart.
- Liver
- Lungs
- Kidneys
- Stomach
Ans. C
The kidneys are responsible for filtering and producing urine.
- Filter toxins from the air
- Exchange oxygen and carbon dioxide with the bloodstream
- Produce mucus
- Conduct air to and from the lungs
Ans. D
The trachea conducts air to and from the lungs.
- Cornea
- Iris
- Lens
- Sclera
Ans. D
The sclera is responsible for protecting the inner structures and maintaining the eye’s shape.
- Adrenal gland
- Pancreas
- Pituitary gland
- Thyroid gland
Ans. B
The pancreas produces insulin and glucagon to regulate blood sugar levels.
- Skeletal muscle
- Cardiac muscle
- Smooth muscle
- Adipose tissue
Ans. B
Cardiac muscle is found in the heart and operates involuntarily.
- Pinna
- Auditory canal
- Cochlea
- Ossicles (ear bones)
Ans. C
The cochlea converts sound vibrations into nerve impulses for the brain to interpret.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. D
The peripheral nervous system carries sensory information to the brain and motor commands to muscles and glands.
- Liver
- Gallbladder
- Stomach
- Pancreas
Ans. C
The stomach produces digestive juices and enzymes to break down food.
- Trachea
- Alveoli
- Nasal passages
- Larynx
Ans. C
The nasal passages trap and remove foreign particles from the air.
- Arteries
- Veins
- Capillaries
- Alveoli
Ans. C
Capillaries connect arteries and veins for the exchange of oxygen and nutrients with tissues.
- Cornea
- Iris
- Lens
- Vitreous humor
Ans. C
The lens of the eye is responsible for bending and focusing light onto the retina.
- Liver
- Spleen
- Kidneys
- Thymus
Ans. B
The spleen is responsible for filtering and removing old or damaged red blood cells.
- Esophagus
- Stomach
- Liver
- Gallbladder
Ans. D
The gallbladder stores and releases bile to aid in digestion.
- Adrenal gland
- Thyroid gland
- Pituitary gland
- Parathyroid glands
Ans. D
The parathyroid glands produce hormones that regulate calcium levels and bone metabolism.
- Pinna
- Ear canal
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) transmit sound vibrations to the inner ear.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. A
The somatic nervous system controls voluntary movements like walking and talking.
- Arteries
- Veins
- Capillaries
- Pulmonary arteries
Ans. D
Pulmonary arteries carry oxygen-rich blood from the lungs to the heart.
- Ligaments
- Tendons
- Cartilage
- Bursae
Ans. B
Tendons connect bones to muscles and allow movement at joints.
- Trachea
- Bronchi
- Alveoli
- Larynx
Ans. C
The alveoli are responsible for exchanging oxygen and carbon dioxide with the bloodstream.
- Cornea
- Retina
- Iris
- Lens
Ans. C
The iris controls the amount of light entering the eye and gives it color.
- Liver
- Pancreas
- Thyroid gland
- Gallbladder
Ans. B
The pancreas produces insulin to regulate blood sugar levels.
- Stomach
- Small intestine
- Esophagus
- Large intestine
Ans. D
The large intestine absorbs water and electrolytes from undigested food.
- Pituitary gland
- Thyroid gland
- Adrenal gland
- Pancreas
Ans. C
The adrenal gland produces adrenaline in response to stress or danger.
- Pinna
- Vestibule
- Semicircular canals
- Ossicles (ear bones)
Ans. C
The semicircular canals detect changes in head position and movement for balance.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. C
The autonomic nervous system controls involuntary functions like digestion and heartbeat.
- Arteries
- Veins
- Capillaries
- Pulmonary veins
Ans. D
Pulmonary veins oxygenate the blood and remove carbon dioxide in the lungs.
- Ligaments
- Tendons
- Cartilage
- Bursae
Ans. A
Ligaments connect bone to bone at joints.
- Trachea
- Bronchi
- Alveoli
- Nasal passages
Ans. D
Nasal passages humidify and warm the air we breathe.
- Cornea
- Retina
- Iris
- Lens
Ans. B
The retina converts light into electrical signals for vision.
- Pineal gland
- Pituitary gland
- Adrenal gland
- Thyroid gland
Ans. A
The pineal gland produces melatonin to regulate the sleep-wake cycle.
- Stomach
- Small intestine
- Liver
- Gallbladder
Ans. D
The gallbladder stores and releases bile to aid in fat digestion.
- Pituitary gland
- Thyroid gland
- Adrenal gland
- Pancreas
Ans. A
The pituitary gland produces hormones that regulate growth and development.
- Pinna
- Auditory canal
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) transmit sound vibrations to the inner ear.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. C
The autonomic nervous system controls involuntary functions like digestion, heartbeat, and breathing.
- Arteries
- Veins
- Capillaries
- Pulmonary arteries
Ans. B
Veins carry oxygen-poor blood from the body back to the heart.
- Ligaments
- Tendons
- Cartilage
- Bursae
Ans. C
Cartilage cushions and protects the ends of bones at joints.
- Trachea
- Alveoli
- Nasal passages
- Larynx
Ans. C
The nasal passages filter out dust and particles from the air we breathe.
- Cornea
- Lens
- Iris
- Retina
Ans. B
The lens of the eye focuses light on the retina to create a clear image.
- Liver
- Spleen
- Bone marrow
- Lungs
Ans. C
Bone marrow is responsible for producing and storing red blood cells.
- Stomach
- Esophagus
- Small intestine
- Large intestine
Ans. C
The small intestine is responsible for absorbing most of the nutrients from digested food.
- Pineal gland
- Pituitary gland
- Thyroid gland
- Adrenal gland
Ans. C
The thyroid gland produces hormones that regulate the body’s metabolism.
- Pinna
- Eustachian tube
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) transmit sound vibrations from the middle ear to the inner ear.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. B
The central nervous system processes and interprets sensory information from the environment.
- Arteries
- Veins
- Capillaries
- Pulmonary veins
Ans. A
Arteries carry oxygen-rich blood from the heart to the rest of the body.
- Ligaments
- Tendons
- Cartilage
- Bursae
Ans. D
Bursae reduce friction between bones at joints.
- Trachea
- Vocal cords
- Alveoli
- Nasal passages
Ans. B
The vocal cords in the larynx produce sound and allow us to speak.
- Cornea
- Lens
- Iris
- Vitreous humor
Ans. C
The iris controls the size of the pupil to regulate the amount of light entering the eye.
- Liver
- Heart
- Kidneys
- Spleen
Ans. C
The kidneys filter toxins from the blood and produce urine.
- Stomach
- Small intestine
- Liver
- Large intestine
Ans. D
The large intestine stores undigested food and aids in water absorption.
- Pineal gland
- Pituitary gland
- Adrenal gland
- Thyroid gland
Ans. C
The adrenal gland produces hormones that regulate the body’s response to stress and metabolism.
- Pinna
- Eustachian tube
- Ossicles (ear bones)
- Cochlea
Ans. C
The ossicles (ear bones) amplify sound vibrations from the eardrum to the inner ear.
- Somatic nervous system
- Central nervous system
- Autonomic nervous system
- Peripheral nervous system
Ans. C
The autonomic nervous system regulates involuntary functions like heart rate and breathing.
- Arteries
- Veins
- Capillaries
- Pulmonary arteries
Ans. D
Pulmonary arteries carry oxygen-poor blood from the heart to the lungs for oxygenation.
- Ligaments
- Tendons
- Cartilage
- Bursae
Ans. B
Tendons connect muscle to bone and enable movement.
- Trachea
- Vocal cords
- Alveoli
- Nasal passages
Ans. B
The vocal cords in the larynx are responsible for vocalizing and producing speech.