Q. The abdominal aorta bifurcates into which two arteries?
-
A.
Femoral arteries
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B.
Iliac arteries
-
C.
Renal arteries
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D.
Celiac trunk
Solution
The abdominal aorta bifurcates into the right and left iliac arteries, which supply blood to the pelvis and lower limbs.
Correct Answer:
B
— Iliac arteries
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Q. The frontal lobe is primarily associated with which of the following functions?
-
A.
Vision
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B.
Hearing
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C.
Decision making
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D.
Balance
Solution
The frontal lobe is associated with higher cognitive functions, including decision making.
Correct Answer:
C
— Decision making
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Q. The primary motor cortex is located in which lobe of the brain?
-
A.
Frontal lobe
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B.
Parietal lobe
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C.
Temporal lobe
-
D.
Occipital lobe
Solution
The primary motor cortex is located in the frontal lobe, responsible for voluntary motor control.
Correct Answer:
A
— Frontal lobe
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Q. What is the anatomical term for the 'funny bone'?
-
A.
Radial nerve
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B.
Ulnar nerve
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C.
Median nerve
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D.
Musculocutaneous nerve
Solution
The 'funny bone' refers to the ulnar nerve, which can cause a tingling sensation when struck.
Correct Answer:
B
— Ulnar nerve
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Q. What is the function of the pelvic floor muscles?
-
A.
Support pelvic organs
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B.
Facilitate digestion
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C.
Control blood flow
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D.
Regulate breathing
Solution
The pelvic floor muscles support the pelvic organs and help maintain continence.
Correct Answer:
A
— Support pelvic organs
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Q. What is the function of the peritoneum?
-
A.
Support abdominal organs
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B.
Produce digestive enzymes
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C.
Store fat
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D.
Absorb nutrients
Solution
The peritoneum is a serous membrane that supports abdominal organs and provides a frictionless surface for movement.
Correct Answer:
A
— Support abdominal organs
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Q. What is the function of the pulmonary circulation?
-
A.
Deliver oxygenated blood to the body
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B.
Transport deoxygenated blood to the lungs
-
C.
Supply blood to the heart muscle
-
D.
Regulate blood pressure
Solution
Pulmonary circulation transports deoxygenated blood to the lungs for oxygenation.
Correct Answer:
B
— Transport deoxygenated blood to the lungs
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Q. What is the functional unit of the kidney?
-
A.
Nephron
-
B.
Glomerulus
-
C.
Alveolus
-
D.
Neuron
Solution
The nephron is the functional unit of the kidney, responsible for filtering blood and producing urine.
Correct Answer:
A
— Nephron
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Q. What is the main artery supplying the upper limb?
-
A.
Subclavian artery
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B.
Brachial artery
-
C.
Radial artery
-
D.
Ulnar artery
Solution
The subclavian artery is the main artery supplying the upper limb.
Correct Answer:
A
— Subclavian artery
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Q. What is the main artery that supplies blood to the heart muscle?
-
A.
Coronary artery
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B.
Pulmonary artery
-
C.
Aorta
-
D.
Subclavian artery
Solution
The coronary artery supplies blood to the heart muscle.
Correct Answer:
A
— Coronary artery
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Q. What is the main component of bone tissue?
-
A.
Collagen
-
B.
Elastin
-
C.
Keratin
-
D.
Chitin
Solution
Collagen is the main component of bone tissue, providing strength and flexibility.
Correct Answer:
A
— Collagen
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Q. What is the main function of the kidneys?
-
A.
Produce hormones
-
B.
Filter blood
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C.
Digest food
-
D.
Store bile
Solution
The primary function of the kidneys is to filter blood, removing waste products and excess substances to form urine.
Correct Answer:
B
— Filter blood
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Q. What is the main function of the large intestine?
-
A.
Absorption of water and electrolytes
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B.
Digestion of proteins
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C.
Production of bile
-
D.
Storage of urine
Solution
The large intestine's main function is to absorb water and electrolytes from indigestible food matter.
Correct Answer:
A
— Absorption of water and electrolytes
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Q. What is the main function of the occipital lobe?
-
A.
Processing auditory information
-
B.
Processing visual information
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C.
Regulating emotions
-
D.
Controlling motor functions
Solution
The occipital lobe is primarily responsible for processing visual information.
Correct Answer:
B
— Processing visual information
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Q. What is the main function of the spleen?
-
A.
Production of bile
-
B.
Filtration of blood
-
C.
Storage of urine
-
D.
Secretion of insulin
Solution
The spleen's main function is to filter blood and remove old or damaged red blood cells.
Correct Answer:
B
— Filtration of blood
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Q. What is the name of the heart's natural pacemaker?
-
A.
Atrioventricular node
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B.
Sinoatrial node
-
C.
Bundle of His
-
D.
Purkinje fibers
Solution
The sinoatrial (SA) node is known as the heart's natural pacemaker, initiating the electrical impulses that regulate heartbeats.
Correct Answer:
B
— Sinoatrial node
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Q. What is the primary action of the triceps brachii muscle?
-
A.
Flexion of the elbow
-
B.
Extension of the elbow
-
C.
Abduction of the shoulder
-
D.
Adduction of the shoulder
Solution
The primary action of the triceps brachii muscle is the extension of the elbow.
Correct Answer:
B
— Extension of the elbow
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Q. What is the primary function of the appendix?
-
A.
Digest food
-
B.
Store bile
-
C.
Immune function
-
D.
Absorb nutrients
Solution
The appendix is thought to play a role in immune function, particularly in gut flora management.
Correct Answer:
C
— Immune function
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Q. What is the primary function of the deltoid muscle?
-
A.
Flexion of the shoulder
-
B.
Abduction of the shoulder
-
C.
Extension of the shoulder
-
D.
Medial rotation of the shoulder
Solution
The deltoid muscle primarily functions in the abduction of the shoulder.
Correct Answer:
B
— Abduction of the shoulder
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Q. What is the primary function of the heart?
-
A.
To filter blood
-
B.
To pump blood throughout the body
-
C.
To produce hormones
-
D.
To absorb nutrients
Solution
The primary function of the heart is to pump blood throughout the body, supplying oxygen and nutrients to tissues.
Correct Answer:
B
— To pump blood throughout the body
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Q. What is the primary function of the kidneys?
-
A.
Regulation of blood pressure
-
B.
Production of hormones
-
C.
Filtration of blood and urine formation
-
D.
Digestion of food
Solution
The primary function of the kidneys is to filter blood and form urine.
Correct Answer:
C
— Filtration of blood and urine formation
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Q. What is the primary function of the large intestine?
-
A.
Absorption of nutrients
-
B.
Absorption of water and electrolytes
-
C.
Digestion of proteins
-
D.
Production of bile
Solution
The primary function of the large intestine is to absorb water and electrolytes from indigestible food matter.
Correct Answer:
B
— Absorption of water and electrolytes
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Q. What is the primary function of the left ventricle in the heart?
-
A.
Pumping deoxygenated blood to the lungs
-
B.
Pumping oxygenated blood to the body
-
C.
Receiving blood from the body
-
D.
Receiving blood from the lungs
Solution
The left ventricle pumps oxygenated blood to the body through the aorta.
Correct Answer:
B
— Pumping oxygenated blood to the body
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Q. What is the primary function of the pancreas?
-
A.
Production of bile
-
B.
Secretion of digestive enzymes and hormones
-
C.
Filtration of blood
-
D.
Storage of nutrients
Solution
The pancreas primarily functions in the secretion of digestive enzymes and hormones like insulin.
Correct Answer:
B
— Secretion of digestive enzymes and hormones
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Q. What is the primary function of the parotid gland?
-
A.
Secretion of tears
-
B.
Production of saliva
-
C.
Regulation of blood pressure
-
D.
Absorption of nutrients
Solution
The parotid gland's primary function is the production and secretion of saliva.
Correct Answer:
B
— Production of saliva
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Q. What is the primary function of the pelvic floor muscles?
-
A.
Support pelvic organs
-
B.
Facilitate digestion
-
C.
Control blood flow
-
D.
Aid in respiration
Solution
The primary function of the pelvic floor muscles is to support the pelvic organs.
Correct Answer:
A
— Support pelvic organs
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Q. What is the primary function of the pulmonary circulation?
-
A.
To deliver oxygenated blood to the body
-
B.
To remove carbon dioxide from the blood
-
C.
To supply blood to the heart
-
D.
To regulate blood pressure
Solution
The primary function of the pulmonary circulation is to remove carbon dioxide from the blood and oxygenate it in the lungs.
Correct Answer:
B
— To remove carbon dioxide from the blood
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Q. What is the primary function of the sternocleidomastoid muscle?
-
A.
Flexion of the neck
-
B.
Rotation of the head
-
C.
Elevation of the shoulder
-
D.
Extension of the neck
Solution
The sternocleidomastoid muscle primarily functions to rotate the head and flex the neck.
Correct Answer:
B
— Rotation of the head
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Q. What is the primary role of ligaments in the musculoskeletal system?
-
A.
Connect muscle to bone
-
B.
Connect bone to bone
-
C.
Provide energy for muscle contraction
-
D.
Support blood flow
Solution
Ligaments connect bone to bone, providing stability to joints.
Correct Answer:
B
— Connect bone to bone
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Q. What is the primary role of the gallbladder?
-
A.
Storage of bile
-
B.
Production of bile
-
C.
Absorption of fats
-
D.
Filtration of blood
Solution
The gallbladder's primary role is to store and concentrate bile produced by the liver.
Correct Answer:
A
— Storage of bile
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