Government Jobs: 50 multiple-choice questions (MCQs) with answers on Human Anatomy

50 multiple-choice questions (MCQs) with answers on Human Anatomy,

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Which is the longest bone in the human body?
A) Humerus
B) Femur
C) Tibia
D) Radius
Answer: B) Femur
How many bones are there in an adult human skeleton?
A) 206
B) 208
C) 210
D) 212
Answer: A) 206
Which bone is commonly known as the collarbone?
A) Scapula
B) Clavicle
C) Sternum
D) Radius
Answer: B) Clavicle
The smallest bone in the human body is:
A) Incus
B) Femur
C) Stapes
D) Ulna
Answer: C) Stapes
Which part of the skeleton protects the brain?
A) Spine
B) Rib cage
C) Skull
D) Pelvis
Answer: C) Skull
The vertebral column consists of how many vertebrae?
A) 26
B) 33
C) 24
D) 30
Answer: B) 33
What type of joint is found in the shoulder?
A) Hinge
B) Pivot
C) Ball and socket
D) Gliding
Answer: C) Ball and socket
The patella is also known as the:
A) Knee cap
B) Elbow cap
C) Hip bone
D) Ankle bone
Answer: A) Knee cap
Which bone is not part of the axial skeleton?
A) Skull
B) Sternum
C) Pelvis
D) Ribs
Answer: C) Pelvis
The human hand has how many phalanges (finger bones)?
A) 12
B) 14
C) 16
D) 10
Answer: B) 14

Which type of muscle is involuntary and found in internal organs?
A) Skeletal
B) Cardiac
C) Smooth
D) Voluntary
Answer: C) Smooth
Cardiac muscle is found only in the:
A) Lungs
B) Stomach
C) Heart
D) Liver
Answer: C) Heart
Which muscle is primarily responsible for breathing?
A) Trapezius
B) Diaphragm
C) Pectoralis major
D) Deltoid
Answer: B) Diaphragm
Skeletal muscles are attached to bones by:
A) Ligaments
B) Cartilage
C) Tendons
D) Fascia
Answer: C) Tendons
Muscle fatigue is mainly caused by the accumulation of:
A) Oxygen
B) Lactic acid
C) ATP
D) Calcium
Answer: B) Lactic acid
Which of the following is a voluntary muscle?
A) Heart muscle
B) Intestinal wall muscle
C) Biceps
D) Diaphragm
Answer: C) Biceps
Which muscle is used to smile?
A) Masseter
B) Buccinator
C) Zygomaticus
D) Temporalis
Answer: C) Zygomaticus
The strongest muscle in the body based on its size is:
A) Gluteus maximus
B) Masseter
C) Biceps brachii
D) Sartorius
Answer: B) Masseter
What is the primary function of muscle tissue?
A) Protection
B) Movement
C) Blood production
D) Hormone secretion
Answer: B) Movement
Which muscle group is located in the front of the thigh?
A) Hamstrings
B) Quadriceps
C) Triceps
D) Abdominals
Answer: B) Quadriceps

The heart is located in the:
A) Abdominal cavity
B) Cranial cavity
C) Thoracic cavity
D) Pelvic cavity
Answer: C) Thoracic cavity
How many chambers are in the human heart?
A) 2
B) 3
C) 4
D) 5
Answer: C) 4
Which blood vessels carry blood away from the heart?
A) Veins
B) Arteries
C) Capillaries
D) Venules
Answer: B) Arteries
The largest artery in the human body is the:
A) Pulmonary artery
B) Coronary artery
C) Aorta
D) Carotid artery
Answer: C) Aorta
The heart valve between the left atrium and left ventricle is the:
A) Pulmonary valve
B) Tricuspid valve
C) Mitral valve
D) Aortic valve
Answer: C) Mitral valve
Red blood cells are produced in the:
A) Liver
B) Bone marrow
C) Spleen
D) Kidney
Answer: B) Bone marrow
What is the function of hemoglobin?
A) Digest food
B) Fight infection
C) Carry oxygen
D) Produce hormones
Answer: C) Carry oxygen
Which blood type is known as the universal donor?
A) A
B) B
C) AB
D) O
Answer: D) O
The pacemaker of the heart is the:
A) AV node
B) Purkinje fibers
C) SA node
D) Bundle of His
Answer: C) SA node
White blood cells help in:
A) Oxygen transport
B) Clotting
C) Immunity
D) Nutrient absorption
Answer: C) Immunity

The basic unit of the nervous system is the:
A) Axon
B) Neuron
C) Dendrite
D) Synapse
Answer: B) Neuron
The largest part of the human brain is the:
A) Cerebellum
B) Brain stem
C) Medulla
D) Cerebrum
Answer: D) Cerebrum
Which part of the brain controls balance and coordination?
A) Cerebrum
B) Hypothalamus
C) Cerebellum
D) Medulla
Answer: C) Cerebellum
The spinal cord is protected by:
A) Skull
B) Ribs
C) Vertebrae
D) Pelvis
Answer: C) Vertebrae
What is the function of the myelin sheath?
A) Slow down nerve signals
B) Store neurotransmitters
C) Speed up nerve impulse
D) Connect neurons
Answer: C) Speed up nerve impulse
Which lobe of the brain is responsible for vision?
A) Frontal
B) Temporal
C) Occipital
D) Parietal
Answer: C) Occipital
The peripheral nervous system consists of:
A) Brain and spinal cord
B) Cranial and spinal nerves
C) Only cranial nerves
D) Only spinal nerves
Answer: B) Cranial and spinal nerves
The gap between two neurons is called:
A) Axon
B) Node
C) Synapse
D) Junction
Answer: C) Synapse
Which part of the brain regulates body temperature and hunger?
A) Thalamus
B) Medulla
C) Cerebellum
D) Hypothalamus
Answer: D) Hypothalamus
Reflex actions are controlled by the:
A) Brain
B) Spinal cord
C) Cerebrum
D) Hypothalamus
Answer: B) Spinal cord

Digestive, Respiratory, Reproductive, etc.)**

The enzyme amylase is secreted in the:
A) Stomach
B) Liver
C) Mouth
D) Pancreas
Answer: C) Mouth
Which organ stores bile?
A) Liver
B) Pancreas
C) Gallbladder
D) Stomach
Answer: C) Gallbladder
The functional unit of the kidney is:
A) Nephron
B) Neuron
C) Alveoli
D) Glomerulus
Answer: A) Nephron
Where does gas exchange occur in the lungs?
A) Bronchi
B) Alveoli
C) Trachea
D) Bronchioles
Answer: B) Alveoli
Sperm is produced in the:
A) Vas deferens
B) Prostate gland
C) Testes
D) Epididymis
Answer: C) Testes
Which organ is responsible for insulin production?
A) Liver
B) Pancreas
C) Kidney
D) Stomach
Answer: B) Pancreas
Which vitamin is produced in the skin in response to sunlight?
A) A
B) B
C) C
D) D
Answer: D) Vitamin D
Which hormone regulates metabolism?
A) Insulin
B) Thyroxine
C) Estrogen
D) Cortisol
Answer: B) Thyroxine
What is the main function of red blood cells?
A) Immunity
B) Clotting
C) Oxygen transport
D) Digestion
Answer: C) Oxygen transport
Which gland is called the “master gland”?
A) Adrenal
B) Thyroid
C) Pituitary
D) Pineal
Answer: C) Pituitary

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