Biology
Human Physiology and Anatomy
2,235 Questions
Human physiology and anatomy explore the structural organization and biological functions of the human body and its systems. Questions focus on the primary roles of organs, hormones, cellular components, and developmental processes. These fundamentals are integral to medical entrance tests and general science sections.
Organ functionsHormone functionsImmune system rolesDigestive systemCellular functions
Human Physiology and Anatomy Questions
What is the primary function of the conjunctiva?
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To protect the cornea
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To produce tears
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To control the size of the pupil
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To provide nutrients to the lens
A
Correct answer
Explanation
The conjunctiva is a thin membrane that covers the white part of the eye and lines the inside of the eyelids. Its primary function is to protect the cornea.
What is the primary function of carbohydrates in the body?
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Building and repairing tissues
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Storing energy
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Regulating body temperature
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Producing hormones
B
Correct answer
Explanation
Carbohydrates are the body's primary source of energy. They are broken down into glucose, which is then used for energy by cells throughout the body.
What is the main function of fats in the body?
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Providing energy
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Insulating the body
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Producing hormones
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Transporting vitamins
B
Correct answer
Explanation
Fats serve several functions in the body, including providing energy, insulating the body, producing hormones, and transporting vitamins. However, their primary function is to insulate the body and protect it from heat loss.
What is the main function of fiber in the human diet?
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Providing energy
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Building and repairing tissues
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Regulating body temperature
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Promoting digestive health
D
Correct answer
Explanation
Fiber is a type of carbohydrate that cannot be digested by the human body. It plays an important role in promoting digestive health by adding bulk to stool and helping to move it through the digestive tract.
What is the primary function of lingerie?
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To provide support and coverage to the bust
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To enhance the appearance of the body
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To control body temperature
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To absorb sweat
A
Correct answer
Explanation
Lingerie is designed to provide support and coverage to the bust, helping to create a smooth and flattering silhouette.
What is the function of the eardrum?
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To amplify sound waves
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To protect the inner ear from damage
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To transmit sound waves to the cochlea
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To balance the body
C
Correct answer
Explanation
The eardrum vibrates when sound waves hit it, transmitting these vibrations to the ossicles in the middle ear, which then transmit them to the cochlea.
What is the function of the auditory nerve?
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To transmit electrical signals from the cochlea to the brain
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To amplify sound waves
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To protect the inner ear from damage
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To balance the body
A
Correct answer
Explanation
The auditory nerve carries electrical signals from the cochlea to the brain, where they are interpreted as sound.
Which of the following is NOT a type of hearing loss?
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Conductive hearing loss
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Sensorineural hearing loss
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Mixed hearing loss
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Normal hearing
D
Correct answer
Explanation
Normal hearing is not a type of hearing loss.
What is the primary function of carbohydrates in the body?
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Building and repairing tissues
-
Storing energy
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Regulating body temperature
-
Producing hormones
B
Correct answer
Explanation
Carbohydrates are the body's primary source of energy. They are stored in the liver and muscles as glycogen, which can be broken down into glucose for energy when needed.
What is the primary function of fiber in the body?
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Providing energy
-
Building and repairing tissues
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Regulating body temperature
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Promoting digestive health
D
Correct answer
Explanation
Fiber is a type of carbohydrate that cannot be digested by the body. It is important for promoting digestive health by adding bulk to the stool and helping to prevent constipation.
What is the primary function of vitamins in the body?
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Providing energy
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Building and repairing tissues
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Regulating body temperature
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Promoting overall health
D
Correct answer
Explanation
Vitamins are essential nutrients that the body needs in small amounts to promote overall health. They are involved in a variety of bodily functions, including metabolism, immunity, and vision.
What is the primary function of minerals in the body?
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Providing energy
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Building and repairing tissues
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Regulating body temperature
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Promoting overall health
D
Correct answer
Explanation
Minerals are essential nutrients that the body needs in small amounts to promote overall health. They are involved in a variety of bodily functions, including bone health, muscle function, and nerve function.
What is the primary role of proteins in the body?
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Energy production
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Muscle contraction
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Building and repairing tissues
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Transportation of oxygen
C
Correct answer
Explanation
Proteins are essential for building and repairing tissues, such as muscles, bones, skin, and hair.
What is the function of collagen in the body?
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Energy storage
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Muscle contraction
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Structural support
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Hormone production
C
Correct answer
Explanation
Collagen is a protein that provides structural support to tissues, such as bones, tendons, and ligaments.
What is the primary function of protein in cycling nutrition?
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Energy production
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Muscle growth and repair
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Hydration
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Bone strengthening
B
Correct answer
Explanation
Protein is essential for muscle growth and repair, aiding in recovery and adaptation after cycling workouts.