Human Anatomy and Physiology MCQs with Answers

Which of the following organs is responsible for the production of insulin?
a) Pancreas
b) Liver
c) Kidneys
d) Stomach
Answer: a) Pancreas

Which of the following structures controls the breathing rate in humans?
a) Lungs
b) Diaphragm
c) Medulla oblongata
d) Trachea
Answer: c) Medulla oblongata

Which blood vessel carries oxygenated blood from the lungs to the heart?
a) Pulmonary artery
b) Pulmonary vein
c) Aorta
d) Inferior vena cava
Answer: b) Pulmonary vein

Which of the following is the primary function of the large intestine?
a) Absorption of water
b) Production of bile
c) Production of enzymes
d) Absorption of nutrients
Answer: a) Absorption of water

Which of the following hormones is responsible for regulating blood sugar levels?
a) Insulin
b) Estrogen
c) Testosterone
d) Thyroxine
Answer: a) Insulin

The central nervous system consists of the:
a) Brain and spinal cord
b) Sensory and motor neurons
c) Cranial and spinal nerves
d) Sympathetic and parasympathetic nervous system
Answer: a) Brain and spinal cord

The smallest functional unit of the kidney is called:
a) Nephron
b) Glomerulus
c) Renal pelvis
d) Ureter
Answer: a) Nephron

Which of the following bones is NOT part of the axial skeleton?
a) Skull
b) Femur
c) Sternum
d) Vertebrae
Answer: b) Femur

Which of the following is the main function of red blood cells?
a) Oxygen transport
b) Waste removal
c) Hormone production
d) Defense against pathogens
Answer: a) Oxygen transport

Which of the following is NOT a function of the skin?
a) Protection
b) Temperature regulation
c) Vitamin D synthesis
d) Blood cell production
Answer: d) Blood cell production

The hormone responsible for the fight-or-flight response is:
a) Adrenaline
b) Insulin
c) Estrogen
d) Testosterone
Answer: a) Adrenaline

Which of the following is NOT a component of the respiratory system?
a) Trachea
b) Alveoli
c) Urethra
d) Bronchi
Answer: c) Urethra

Which of the following is the largest organ in the human body?
a) Liver
b) Brain
c) Skin
d) Heart
Answer: c) Skin

The process by which food is broken down into simpler substances is called:
a) Digestion
b) Circulation
c) Respiration
d) Excretion
Answer: a) Digestion

The bones in the fingers and toes are called:
a) Phalanges
b) Carpals
c) Metatarsals
d) Tarsals
Answer: a) Phalanges

Which of the following is NOT a function of the liver?
a) Detoxification
b) Protein synthesis
c) Blood clotting
d) Storage of bile
Answer: d) Storage of bile

The hormone responsible for regulating the sleep-wake cycle is:
a) Melatonin
b) Serotonin
c) Dopamine
d) Epinephrine
Answer: a) Melatonin

Which of the following is NOT a type of muscle tissue?
a) Skeletal
b) Cardiac
c) Smooth
d) Ligamentous
Answer: d) Ligamentous

The larynx is commonly known as the:
a) Voice box
b) Windpipe
c) Food pipe
d) Adam’s apple
Answer: a) Voice box

The part of the brain responsible for coordination and balance is called the:
a) Cerebellum
b) Cerebrum
c) Medulla oblongata
d) Hypothalamus
Answer: a) Cerebellum

The hormone responsible for stimulating uterine contractions during childbirth is:
a) Oxytocin
b) Progesterone
c) Estrogen
d) Testosterone
Answer: a) Oxytocin

Which of the following is NOT a function of the urinary system?
a) Regulation of blood pressure
b) Filtration of metabolic waste
c) Production of urine
d) Digestion of food
Answer: d) Digestion of food

The part of the eye that controls the amount of light entering is the:
a) Iris
b) Pupil
c) Retina
d) Lens
Answer: a) Iris

The hormone responsible for stimulating the growth and development of male reproductive organs is:
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)
Answer: a) Testosterone

Which of the following is NOT a component of the cardiovascular system?
a) Heart
b) Lungs
c) Blood vessels
d) Blood
Answer: b) Lungs

The process by which an impulse travels from one neuron to another is called:
a) Synaptic transmission
b) Osmosis
c) Diffusion
d) Active transport
Answer: a) Synaptic transmission

Which of the following is the main function of the small intestine?
a) Absorption of nutrients
b) Production of enzymes
c) Filtration of blood
d) Storage of bile
Answer: a) Absorption of nutrients

The hormone responsible for regulating calcium levels in the blood is:
a) Parathyroid hormone (PTH)
b) Thyroid hormone
c) Insulin
d) Adrenaline
Answer: a) Parathyroid hormone (PTH)

Which of the following is NOT a function of the skeletal system?
a) Support and protection
b) Production of red blood cells
c) Storage of minerals
d) Regulation of body temperature
Answer: d) Regulation of body temperature

The hormone responsible for the development and maintenance of female secondary sexual characteristics is:
a) Estrogen
b) Testosterone
c) Progesterone
d) Follicle-stimulating hormone (FSH)
Answer: a) Estrogen

Which of the following is NOT a part of the male reproductive system?
a) Prostate gland
b) Uterus
c) Testes
d) Penis
Answer: b) Uterus

The process by which oxygen and carbon dioxide are exchanged between the lungs and the blood is called:
a) Respiration
b) Circulation
c) Digestion
d) Absorption
Answer: a) Respiration

The hormone responsible for regulating water balance in the body is:
a) Antidiuretic hormone (ADH)
b) Aldosterone
c) Insulin
d) Thyroxine
Answer: a) Antidiuretic hormone (ADH)

Which of the following is NOT a type of connective tissue?
a) Bone
b) Cartilage
c) Nerve
d) Blood
Answer: c) Nerve

The hormone responsible for regulating the body’s metabolism is:
a) Thyroxine
b) Insulin
c) Melatonin
d) Cortisol
Answer: a) Thyroxine

The process by which urine is eliminated from the body is called:
a) Excretion
b) Digestion
c) Absorption
d) Secretion
Answer: a) Excretion

Which of the following is NOT a part of the female reproductive system?
a) Ovaries
b) Uterus
c) Fallopian tubes
d) Epididymis
Answer: d) Epididymis

The part of the brain responsible for higher cognitive functions, such as thinking and memory, is the:
a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus
Answer: a) Cerebrum

Which of the following is the main function of the lymphatic system?
a) Defense against pathogens
b) Production of hormones
c) Regulation of body temperature
d) Digestion of food
Answer: a) Defense against pathogens

The hormone responsible for the development and maintenance of male secondary sexual characteristics is:
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)
Answer: a) Testosterone

Which of the following is NOT a part of the digestive system?
a) Esophagus
b) Gallbladder
c) Kidneys
d) Stomach
Answer: c) Kidneys

The process by which food is moved through the digestive system by muscle contractions is called:
a) Peristalsis
b) Osmosis
c) Diffusion
d) Active transport
Answer: a) Peristalsis

Which of the following is NOT a function of the endocrine system?
a) Regulation of growth and development
b) Production of hormones
c) Transmission of nerve impulses
d) Regulation of metabolism
Answer: c) Transmission of nerve impulses

The hormone responsible for stimulating the production of red blood cells is:
a) Erythropoietin
b) Insulin
c) Thyroxine
d) Growth hormone
Answer: a) Erythropoietin

Which of the following is the main function of the respiratory system?
a) Exchange of oxygen and carbon dioxide
b) Filtration of blood
c) Absorption of nutrients
d) Regulation of body temperature
Answer: a) Exchange of oxygen and carbon dioxide

The hormone responsible for stimulating the development and maturation of eggs in the ovaries is:
a) Follicle-stimulating hormone (FSH)
b) Luteinizing hormone (LH)
c) Estrogen
d) Progesterone
Answer: a) Follicle-stimulating hormone (FSH)

Which of the following is NOT a component of the immune system?
a) White blood cells
b) Antibodies
c) Lymph nodes
d) Adrenal glands
Answer: d) Adrenal glands

The process by which a cell divides to form two identical daughter cells is called:
a) Mitosis
b) Meiosis
c) Fertilization
d) Differentiation
Answer: a) Mitosis

Which of the following is NOT a function of the nervous system?
a) Transmission of nerve impulses
b) Control and coordination of body activities
c) Regulation of body temperature
d) Detection and response to stimuli
Answer: c) Regulation of body temperature

The hormone responsible for the development and maintenance of the female reproductive system is:
a) Estrogen
b) Testosterone
c) Progesterone
d) Follicle-stimulating hormone (FSH)
Answer: a) Estrogen

Which of the following is NOT a part of the urinary system?
a) Kidneys
b) Bladder
c) Ureters
d) Gallbladder
Answer: d) Gallbladder

The process by which the body breaks down food into smaller molecules that can be absorbed is called:
a) Digestion
b) Circulation
c) Respiration
d) Excretion
Answer: a) Digestion

The hormone responsible for regulating the body’s response to stress is:
a) Cortisol
b) Adrenaline
c) Thyroxine
d) Insulin
Answer: a) Cortisol

Which of the following is NOT a type of tissue found in the human body?
a) Epithelial tissue
b) Connective tissue
c) Nervous tissue
d) Cardiac tissue
Answer: d) Cardiac tissue

The part of the brain responsible for regulating body temperature and hunger is the:
a) Hypothalamus
b) Cerebrum
c) Medulla oblongata
d) Cerebellum
Answer: a) Hypothalamus

The hormone responsible for stimulating milk production in the mammary glands is:
a) Prolactin
b) Insulin
c) Thyroxine
d) Growth hormone
Answer: a) Prolactin

Which of the following is the main function of the circulatory system?
a) Transportation of nutrients and oxygen
b) Production of hormones
c) Regulation of body temperature
d) Filtration of blood
Answer: a) Transportation of nutrients and oxygen

The hormone responsible for the regulation of blood pressure and fluid balance is:
a) Aldosterone
b) Antidiuretic hormone (ADH)
c) Insulin
d) Thyroxine
Answer: a) Aldosterone

Which of the following is NOT a part of the musculoskeletal system?
a) Muscles
b) Bones
c) Ligaments
d) Kidneys
Answer: d) Kidneys

The hormone responsible for the development and maintenance of the male reproductive system is:
a) Testosterone
b) Estrogen
c) Progesterone
d) Follicle-stimulating hormone (FSH)
Answer: a) Testosterone

Which of the following is the main function of the integumentary system?
a) Protection
b) Production of hormones
c) Regulation of body temperature
d) Filtration of blood
Answer: a) Protection

The hormone responsible for the regulation of blood sugar levels is:
a) Insulin
b) Glucagon
c) Cortisol
d) Thyroxine
Answer: a) Insulin

Which of the following is NOT a part of the female reproductive system?
a) Ovaries
b) Fallopian tubes
c) Uterus
d) Epididymis
Answer: d) Epididymis

The part of the eye that contains cells sensitive to light and responsible for vision is the:
a) Retina
b) Cornea
c) Lens
d) Optic nerve
Answer: a) Retina

The hormone responsible for the regulation of water and electrolyte balance in the body is:
a) Aldosterone
b) Antidiuretic hormone (ADH)
c) Insulin
d) Thyroxine
Answer: a) Aldosterone

Which of the following is NOT a type of joint found in the human body?
a) Ball-and-socket joint
b) Hinge joint
c) Pivot joint
d) Tendon joint
Answer: d) Tendon joint

The hormone responsible for the regulation of sleep and wakefulness is:
a) Melatonin
b) Serotonin
c) Dopamine
d) Epinephrine
Answer: a) Melatonin

Which of the following is NOT a function of the lymphatic system?
a) Production of red blood cells
b) Defense against pathogens
c) Absorption of fat
d) Removal of interstitial fluid
Answer: a) Production of red blood cells

The hormone responsible for the regulation of the body’s response to inflammation and stress is:
a) Cortisol
b) Adrenaline
c) Thyroxine
d) Insulin
Answer: a) Cortisol

Which of the following is the main function of the spleen?
a) Filtration of blood
b) Production of red blood cells
c) Regulation of blood pressure
d) Digestion of food
Answer: a) Filtration of blood

 

 

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