Medical Trivia MCQ Questions And Answers

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Medical Trivia MCQ Questions And Answers - Quiz

Embark on an enlightening journey into the world of healthcare with our "Medical Trivia MCQ Questions and Answers" quiz. Here, we have brought a technical quiz preferable for medical students. If you want to be a healthcare professional, try medical trivia multiple choice questions based on human anatomy. If you could get at least 70% on this medical quiz, it means your preparation level is great. Here, you'll be tested about the human body system and its different parts, including bones, peripheral nervous system, RBCs, and much more. Start the quiz and enhance your medical IQ.
This quiz is Read morea celebration of medical knowledge, offering a diverse range of multiple-choice questions that explore various facets of the medical field. Whether you're a seasoned healthcare professional, a medical student, or someone fascinated by the intricacies of the human body, this quiz promises an engaging and intellectually stimulating experience. Each question is crafted to challenge your understanding of the medical realm. This quiz not only aims to entertain but also serves as an opportunity to learn and appreciate the complexities of the healthcare universe.
Prepare to confront questions that unravel the mysteries of the human body, delve into the annals of medical breakthroughs, and explore the interconnectedness of various medical disciplines. Whether you aspire to be a healthcare professional, are curious about medical trivia, or just love a good challenge, this quiz welcomes all eager minds. So, don your metaphorical lab coat, sharpen your diagnostic skills, and let the


Medical Trivia Questions and Answers

  • 1. 

    Another name for the ankle bone is the:

    • A.

      Tarsus

    • B.

      Metatarsus

    • C.

      Calcaneus

    • D.

      Talus

    Correct Answer
    D. Talus
    Explanation
    The correct answer is talus. The talus is a bone in the foot that connects the leg bones (tibia and fibula) to the foot bones (metatarsals). It is located between the tibia and the calcaneus (heel bone) and plays a crucial role in ankle movement. The term "ankle bone" is often used interchangeably with talus, as it is the main bone that forms the ankle joint.

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  • 2. 

    The peripheral nervous system is composed of the:

    • A.

      Spinal cord and sensory nerves

    • B.

      Motor and sensory nerves

    • C.

      Brain and sensory nerves

    • D.

      Brain and spinal cord

    Correct Answer
    B. Motor and sensory nerves
    Explanation
    The peripheral nervous system is composed of motor and sensory nerves. Motor nerves carry signals from the brain and spinal cord to muscles and glands, allowing for voluntary and involuntary movements. Sensory nerves, on the other hand, transmit information from sensory receptors in the body to the brain and spinal cord, enabling us to perceive and respond to our environment. Therefore, the correct answer is motor and sensory nerves.

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  • 3. 

    The topographic term used to describe the back surface of the body is:

    • A.

      Exterior

    • B.

      Anterior

    • C.

      Posterior

    • D.

      Inferior

    Correct Answer
    C. Posterior
    Explanation
    The correct answer is "posterior". In topography, the term "posterior" refers to the back surface of the body. It is the opposite of "anterior", which refers to the front surface. "Exterior" is a more general term that can refer to any outer surface, not specifically the back. "Inferior" refers to a lower position or location, not specifically the back surface.

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  • 4. 

    Which of the following vertebrae are found in the neck?

    • A.

      Cervical

    • B.

      Lumbar

    • C.

      Sacral

    • D.

      Coccyx

    Correct Answer
    A. Cervical
    Explanation
    The correct answer is "Cervical." The vertebrae found in the neck are called cervical vertebrae. They are the first seven vertebrae in the spinal column, starting from the base of the skull. These vertebrae provide support and flexibility to the neck, allowing for a wide range of motion.

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  • 5. 

    Which of the following vessels does NOT carry blood back to the heart?

    • A.

      Inferior venae cavae

    • B.

      Superior venae cavae

    • C.

      Pulmonary artery

    • D.

      Pulmonary vein

    Correct Answer
    C. Pulmonary artery
    Explanation
    The pulmonary artery does not carry blood back to the heart. It is responsible for carrying deoxygenated blood from the heart to the lungs, where it gets oxygenated. Once the blood is oxygenated, it is carried back to the heart through the pulmonary veins. The inferior and superior vena cavae are large veins that carry deoxygenated blood from the body back to the heart. Therefore, the correct answer is the pulmonary artery.

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  • 6. 

    A prominence called the olecranon process is found on the:

    • A.

      Knee

    • B.

      Hip

    • C.

      Elbow

    • D.

      Shoulder

    Correct Answer
    C. Elbow
    Explanation
    The olecranon process is a prominent bony projection located at the back of the elbow. It is the point of the elbow that can be easily felt and is responsible for the attachment of important tendons and ligaments. This structure is not found in the knee, hip, or shoulder, making the correct answer the elbow.

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  • 7. 

    Together, the right and left lungs contain how many lobes?

    • A.

      6

    • B.

      2

    • C.

      5

    • D.

      3

    Correct Answer
    C. 5
    Explanation
    The correct answer is 5 because the right lung has 3 lobes (upper, middle, and lower) and the left lung has 2 lobes (upper and lower). Together, they contain a total of 5 lobes.

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  • 8. 

    The system responsible for body movement and body shape is the:

    • A.

      Musculoskeletal system

    • B.

      Skeletal system

    • C.

      Nervous system

    • D.

      Muscular system

    Correct Answer
    A. Musculoskeletal system
    Explanation
    The musculoskeletal system is responsible for body movement and body shape. It includes the muscles, bones, and joints, which work together to allow movement and provide support and structure to the body. The muscles contract and relax, pulling on the bones to create movement, while the skeletal system provides the framework for the body and protects vital organs. This system also helps maintain body posture and shape. The nervous system plays a role in coordinating and controlling these movements, but the musculoskeletal system is primarily responsible for body movement and shape.

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  • 9. 

    Which of the following systems is responsible for releasing chemicals that regulate body activities?

    • A.

      Skeletal

    • B.

      Cardiovascular

    • C.

      Nervous

    • D.

      Endocrine

    Correct Answer
    D. Endocrine
    Explanation
    The endocrine system is responsible for releasing chemicals, known as hormones, that regulate various body activities. These hormones are released into the bloodstream and travel to target cells or organs, where they help to maintain homeostasis, control growth and development, and regulate metabolism, among other functions. Unlike the other systems listed, such as the skeletal, cardiovascular, and nervous systems, the endocrine system specifically focuses on chemical regulation rather than structural support, transport of substances, or electrical signaling.

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  • 10. 

    Bilateral fractures of the femur indicate:

    • A.

      Both femurs are broken

    • B.

      Both the superior and inferior ends of the femur are broken

    • C.

      The bone is broken in two or more pieces

    • D.

      Both zones of the femur are broken

    Correct Answer
    A. Both femurs are broken
    Explanation
    The correct answer is both femurs are broken. Bilateral fractures of the femur refer to fractures occurring in both femur bones. This means that both the left and right femurs are broken. It does not specify the location or type of fracture, only that both femurs are affected.

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  • 11. 

    Red blood cells are NOT responsible for:

    • A.

      Protecting the body against infection

    • B.

      Carrying carbon dioxide

    • C.

      Carrying oxygen

    • D.

      Giving blood its color

    Correct Answer
    A. Protecting the body against infection
    Explanation
    Red blood cells are not responsible for protecting the body against infection. This role is primarily performed by white blood cells, which are part of the immune system. Red blood cells are responsible for carrying oxygen to the body's tissues and organs, as well as transporting carbon dioxide, a waste product, to the lungs for exhalation. Additionally, red blood cells contain hemoglobin, a protein that gives blood its characteristic red color.

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  • 12. 

    The most distal three or four vertebrae form the:

    • A.

      Coccyx

    • B.

      Sacrum

    • C.

      Ilium

    • D.

      Ischium

    Correct Answer
    A. Coccyx
    Explanation
    The most distal three or four vertebrae form the coccyx, which is commonly referred to as the tailbone. It is located at the base of the vertebral column and consists of fused vertebrae. The coccyx serves as an attachment point for various muscles, ligaments, and tendons. It also provides support and stability to the pelvis and helps with weight-bearing during sitting.

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  • 13. 

    Which of the following systems has specialized tissue that produces rhythmic electrical impulses?

    • A.

      Circulatory

    • B.

      Skeletal

    • C.

      Cardiac conduction

    • D.

      Endocrine

    Correct Answer
    C. Cardiac conduction
    Explanation
    The cardiac conduction system is responsible for generating and coordinating the electrical impulses that regulate the heart's rhythmic contractions. This specialized tissue, made up of nodes and fibers, ensures that the heart beats in a coordinated and rhythmic manner. The impulses produced by the cardiac conduction system initiate the contraction of the heart muscles, allowing for efficient pumping of blood throughout the body.

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  • 14. 

    What is another name for the clavicle?

    • A.

      Rib cage

    • B.

      Funny bone

    • C.

      Collar bone

    • D.

      Breast Bone

    Correct Answer
    C. Collar bone
    Explanation
    The clavicle is commonly referred to as the collar bone. It is a long, curved bone that connects the sternum (breastbone) to the scapula (shoulder blade). The clavicle is easily palpable and visible, forming a key part of the shoulder girdle. Its name, collar bone, derives from its location, as it sits horizontally across the upper part of the chest, resembling a collar.

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  • 15. 

    The central nervous system is composed of the:

    • A.

      Spinal cord and sensory nerves

    • B.

      Motor and sensory nerves

    • C.

      Brain and sensory nerves

    • D.

      Brain and spinal cord

    Correct Answer
    D. Brain and spinal cord
    Explanation
    The central nervous system is composed of the brain and spinal cord. The brain is responsible for processing and interpreting information from the senses, controlling voluntary and involuntary body functions, and coordinating movement. The spinal cord is a long, tubular bundle of nerves that extends from the base of the brain down the back. It serves as a pathway for transmitting signals between the brain and the rest of the body. Together, the brain and spinal cord play a crucial role in regulating and coordinating the body's functions and responses to stimuli.

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  • 16. 

    What three bones make up the shoulder girdle?

    • A.

      Acromion, clavicle, scapula

    • B.

      Acromion, humerus, olecranon

    • C.

      Clavicle, scapula, humerus

    • D.

      Acromion, scapula, humerus

    Correct Answer
    C. Clavicle, scapula, humerus
    Explanation
    The shoulder girdle is made up of three bones: the clavicle, scapula, and humerus. The clavicle is also known as the collarbone and is a long bone that connects the sternum to the scapula. The scapula, or shoulder blade, is a flat triangular bone that sits on the upper back and connects to the clavicle and humerus. The humerus is the long bone of the upper arm that connects to the scapula at the shoulder joint. Together, these three bones provide stability and mobility to the shoulder joint.

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  • 17. 

    What set of nerves is responsible for carrying information from the body to the brain?

    • A.

      Sensory

    • B.

      Motor

    • C.

      Cranial

    • D.

      Vetebral

    Correct Answer
    A. Sensory
    Explanation
    The set of nerves responsible for carrying information from the body to the brain is the sensory nerves. These nerves transmit signals from sensory organs, such as the skin, eyes, ears, and nose, to the brain, allowing us to perceive and interpret sensory information. Sensory nerves play a crucial role in our ability to sense and respond to the environment around us.

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  • 18. 

    The leaf-shaped flap of tissue that prevents food and liquid from entering the trachea is called the:

    • A.

      Epiglottis

    • B.

      Uvula

    • C.

      Laryngopharynx

    • D.

      Cricothyroid membrane

    Correct Answer
    A. Epiglottis
    Explanation
    The epiglottis is a leaf-shaped flap of tissue that prevents food and liquid from entering the trachea. It is located at the base of the tongue and folds over the opening of the larynx during swallowing, directing the food and liquid into the esophagus instead of the trachea. The uvula is a small, fleshy mass located at the back of the throat that helps with speech and swallowing, but it does not specifically prevent food and liquid from entering the trachea. The laryngopharynx is a part of the throat that connects the larynx to the esophagus, and the cricothyroid membrane is a thin, elastic membrane located between the cricoid and thyroid cartilages of the larynx, which is not directly involved in preventing food and liquid from entering the trachea.

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  • 19. 

    In order to assess a femoral pulse, you would palpate the patient:

    • A.

      On the anterior surface of the foot

    • B.

      Between the anterior and superior iliac spines

    • C.

      Between the iliac crest and the coccyx

    • D.

      In the groin

    Correct Answer
    D. In the groin
    Explanation
    To assess a femoral pulse, you would palpate the patient in the groin. The femoral artery runs through the groin area, making it the ideal location to feel the pulse. Palpating the pulse in this area allows for accurate evaluation of the strength, rate, and regularity of the femoral pulse.

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  • 20. 

    Which of the following structures are responsible for the exchange of nutrients and waste in the cells?

    • A.

      Capillaries

    • B.

      Venules

    • C.

      Arteries

    • D.

      Arterioles

    Correct Answer
    A. Capillaries
    Explanation
    Capillaries are responsible for the exchange of nutrients and waste in the cells. Capillaries are tiny blood vessels that connect arteries and veins. They have thin walls and a large surface area, allowing for the exchange of oxygen, nutrients, and waste products between the blood and surrounding tissues. This exchange occurs through small openings in the capillary walls, allowing molecules to pass in and out of the bloodstream. Therefore, capillaries play a crucial role in delivering nutrients to cells and removing waste products from them.

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  • 21. 

    The ribs, sternum, and thoracic vertebrae form the:

    • A.

      Thorax

    • B.

      Upper extremities

    • C.

      Lumbar

    • D.

      Lower extremities

    Correct Answer
    A. Thorax
    Explanation
    The ribs, sternum, and thoracic vertebrae form the thorax. The thorax is the region of the body between the neck and the abdomen, also known as the chest. It contains and protects vital organs such as the heart and lungs. The ribs provide a protective cage around these organs, while the sternum (breastbone) connects the ribs in the front. The thoracic vertebrae are the bones of the spine that are located in the chest area. Together, these structures form the thorax, which plays a crucial role in supporting and protecting the upper body.

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  • 22. 

    The topographic term used to describe the centerline of the body is the:

    • A.

      Internal line

    • B.

      Convergence point

    • C.

      Midline

    • D.

      Midaxillary

    Correct Answer
    C. Midline
    Explanation
    The term "midline" is used in topography to refer to the centerline of the body. It is an imaginary line that divides the body into equal left and right halves. The midline is an important reference point for anatomical and physiological studies, as it helps locate and describe the position of various structures and organs in relation to the body's central axis.

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  • 23. 

    In the systemic circulatory system, deoxygenated blood from the lower half of the body is returned to the heart via the:

    • A.

      Inferior vena cava

    • B.

      Superior vena cava

    • C.

      Aorta

    • D.

      Coronary sinus vein

    Correct Answer
    A. Inferior vena cava
    Explanation
    The correct answer is the inferior vena cava. In the systemic circulatory system, deoxygenated blood from the lower half of the body is returned to the heart through the inferior vena cava. The inferior vena cava is a large vein that carries blood from the lower body regions, including the legs and abdomen, back to the right atrium of the heart. It is responsible for delivering deoxygenated blood to the heart, where it will then be pumped to the lungs for oxygenation.

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  • 24. 

    What type of muscle has its own rich supply of blood?

    • A.

      Voluntary

    • B.

      Musculogenic

    • C.

      Cardiac

    • D.

      Skeletal

    Correct Answer
    C. Cardiac
    Explanation
    Cardiac muscle is the correct answer because it is a type of muscle that forms the walls of the heart. Unlike skeletal muscle, which is voluntary and under conscious control, cardiac muscle is involuntary and contracts rhythmically to pump blood throughout the body. It requires its own rich supply of blood to provide oxygen and nutrients to sustain its continuous contraction and relaxation.

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