Basic Human Anatomy: Practice Test! Quiz

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Basic Human Anatomy: Practice Test! Quiz - Quiz


Are you looking for a career that involves basic human anatomy? This quiz can be a lifesaver. The human body's anatomy comprises different organs that work in synergy and help perform more complex bodily functions. Human anatomy is part of medical terminology. If you are reviewing information for an exam, you can use this quiz as a practice test.


Questions and Answers
  • 1. 

    The axial skeleton includes:

    • A.

      Limbs/vertebral column

    • B.

      Skull

    • C.

      Phalanges

    • D.

      Skull/torso

    Correct Answer
    D. Skull/torso
    Explanation
    The axial skeleton includes the skull and the torso. The skull is part of the axial skeleton as it houses and protects the brain and sensory organs. The torso, which includes the vertebral column, ribs, and sternum, is also part of the axial skeleton as it provides support and protection for the organs in the thoracic and abdominal cavities. The limbs and phalanges, on the other hand, are part of the appendicular skeleton, which is responsible for movement and locomotion.

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  • 2. 

    Appendicular skeleton includes all of the following except:

    • A.

      Thorax

    • B.

      Pectoral girdle

    • C.

      Upper/lower limbs

    • D.

      Pelvic girdle

    Correct Answer
    A. Thorax
    Explanation
    The thorax is not part of the appendicular skeleton. The appendicular skeleton consists of the pectoral girdle (shoulder bones), upper and lower limbs (arms and legs), and the pelvic girdle (hip bones). The thorax, on the other hand, is part of the axial skeleton, which includes the skull, vertebral column, and ribcage.

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  • 3. 

    Abduction means:

    • A.

      Moving towards the midline

    • B.

      Moving away from the midline

    • C.

      Taken away by aliens

    • D.

      Rotating palms up

    Correct Answer
    B. Moving away from the midline
    Explanation
    Abduction refers to the movement of a body part away from the midline of the body. This movement occurs in the frontal plane and is opposite to adduction, which is the movement towards the midline. Abduction can occur in various joints of the body, such as the shoulder, hip, or fingers, allowing for increased range of motion and flexibility.

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  • 4. 

    What transports blood away from the heart?

    • A.

      Blood vessels

    • B.

      Arteries

    • C.

      Veins

    • D.

      Cardiovascular nerves

    Correct Answer
    B. Arteries
    Explanation
    Arteries transport blood away from the heart. They are thick-walled blood vessels that carry oxygenated blood from the heart to various parts of the body. The heart pumps the blood into the arteries with a high pressure, allowing them to distribute the oxygen and nutrients to the tissues and organs. Arteries have a muscular and elastic structure that helps maintain the blood flow and regulate blood pressure.

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  • 5. 

    The lymphatic system includes all of the following except:

    • A.

      Spleen

    • B.

      Capillaries

    • C.

      Thymus

    • D.

      Lymph nodes/vessels

    Correct Answer
    B. Capillaries
    Explanation
    The lymphatic system is a network of vessels, nodes, and organs that helps to maintain fluid balance in the body and plays a crucial role in the immune system. The spleen, thymus, and lymph nodes/vessels are all part of the lymphatic system. However, capillaries are not considered part of the lymphatic system. Capillaries are tiny blood vessels that connect arteries and veins, allowing for the exchange of nutrients and waste products between the blood and surrounding tissues. While the lymphatic system works closely with the circulatory system, it has its own separate network of vessels and does not include capillaries.

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  • 6. 

    Gonads, pancreas, thymus, thyroid, and pituitary/pineal/adrenal glands belong to the

    • A.

      Lymphatic system

    • B.

      Digestive system

    • C.

      Reproductive system

    • D.

      Endocrine system

    Correct Answer
    D. Endocrine system
    Explanation
    The correct answer is the endocrine system. The endocrine system consists of glands that secrete hormones directly into the bloodstream. The gonads (ovaries and testes), pancreas, thymus, thyroid, pituitary gland, pineal gland, and adrenal glands are all part of the endocrine system. These glands play a crucial role in regulating various bodily functions and maintaining homeostasis. They control processes such as reproduction, metabolism, growth, and stress response.

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  • 7. 

    The cranial and spinal (vertebral) cavity are located in the _________ cavity:

    • A.

      Ventral (anterior)

    • B.

      Dorsal (posterior)

    • C.

      Abdominopelvic

    • D.

      Retroperitoneal

    Correct Answer
    B. Dorsal (posterior)
    Explanation
    The cranial and spinal (vertebral) cavity are located in the dorsal (posterior) cavity. This is because these cavities are situated towards the back of the body, protecting the brain and spinal cord. The ventral (anterior) cavity is located towards the front of the body and contains organs such as the heart, lungs, and digestive organs. The abdominopelvic cavity is located in the lower part of the ventral cavity and contains the abdominal and pelvic organs. The retroperitoneal cavity is located behind the abdominal cavity and contains organs such as the kidneys and pancreas.

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  • 8. 

    The ventral (anterior) cavity includes all of the following except:

    • A.

      Medialstinum region

    • B.

      Thoracic cavity

    • C.

      Pleural cavities

    • D.

      Peritoneal cavity

    Correct Answer
    D. Peritoneal cavity
    Explanation
    The ventral (anterior) cavity is a large body cavity that contains various organs and structures. It is divided into two main subdivisions: the thoracic cavity and the abdominopelvic cavity. The thoracic cavity includes the mediastinum region and the pleural cavities, which house the heart, lungs, and other thoracic organs. The peritoneal cavity, on the other hand, is part of the abdominopelvic cavity and contains the abdominal organs such as the stomach, liver, and intestines. Therefore, the peritoneal cavity is not included in the ventral (anterior) cavity.

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  • 9. 

    The thoracic cavity does not include the:

    • A.

      Peritoneal cavity

    • B.

      Pleural cavity

    • C.

      Paricardial cavity

    • D.

      Mediastinum region

    Correct Answer
    A. Peritoneal cavity
    Explanation
    The thoracic cavity is a chamber in the body that is surrounded by the rib cage and contains the lungs, heart, and other structures. It is divided into different compartments, including the pleural cavity, paricardial cavity, and mediastinum region. The peritoneal cavity, on the other hand, is located in the abdominal area and contains organs such as the stomach, liver, and intestines. Therefore, the peritoneal cavity is not part of the thoracic cavity.

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  • 10. 

    The inferior portion of the abdominopelvic cavity is:

    • A.

      Abdominal cavity

    • B.

      Pelvic cavity

    • C.

      Peritoneal cavity

    • D.

      Pericardial cavity

    Correct Answer
    B. Pelvic cavity
    Explanation
    The inferior portion of the abdominopelvic cavity refers to the lower part of the abdominal and pelvic regions. The pelvic cavity is located in the lower part of the abdominopelvic cavity and is surrounded by the pelvic bones. It contains various organs such as the bladder, reproductive organs, and part of the large intestine. Therefore, the pelvic cavity is the correct answer as it accurately describes the lower portion of the abdominopelvic cavity.

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  • 11. 

    Retroperiteal space does not include:

    • A.

      Stomach

    • B.

      Spleen

    • C.

      Pancreas

    • D.

      Part of the large intestine

    Correct Answer
    A. Stomach
    Explanation
    The retroperitoneal space is a specific anatomical region located behind the peritoneum, which is the lining of the abdominal cavity. This space contains various organs, such as the kidneys, adrenal glands, aorta, and parts of the digestive system. The stomach, however, is not located in the retroperitoneal space. It is situated in the peritoneal cavity, which is the space within the peritoneum. Therefore, the stomach is not included in the retroperitoneal space.

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  • 12. 

    Pleura, pericardium, and peritoneum membranes have both parital and _________ membranes:

    • A.

      Visceral

    • B.

      Lining

    • C.

      Adhering

    • D.

      Cavity

    Correct Answer
    A. Visceral
    Explanation
    The pleura, pericardium, and peritoneum membranes have both parietal and visceral membranes. The parietal membrane lines the outer surface of the body cavity, while the visceral membrane covers the organs within the cavity. In this case, the question is asking for the term that completes the statement, and "visceral" is the correct answer as it refers to the inner membrane that covers the organs.

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  • 13. 

    _______________, _______________, ______________ are all intercellular attachments.

    Correct Answer
    tight junction
    communicating junction
    anchoring junction
    gap junction
    desmosome
    Explanation
    Tight junctions, communicating junctions, anchoring junctions, gap junctions, and desmosomes are all types of intercellular attachments. These junctions play important roles in maintaining the structural integrity and function of tissues. Tight junctions form a barrier between cells, preventing the leakage of molecules and ions between them. Communicating junctions, also known as gap junctions, allow for direct communication and exchange of small molecules between adjacent cells. Anchoring junctions provide mechanical support and adhesion between cells. Gap junctions, like communicating junctions, facilitate the transfer of small molecules and ions between cells. Desmosomes are specialized junctions that provide strong adhesion between cells, especially in tissues subjected to mechanical stress.

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  • 14. 

    This intercellular attachment interlocks proteins, blocks passage of moleclues, and is found in the digestive system:

    • A.

      Tight junction

    • B.

      Communicating junction

    • C.

      Anchoring junction

    • D.

      Desmosome

    Correct Answer
    A. Tight junction
    Explanation
    A tight junction is an intercellular attachment that forms a barrier between cells, preventing the passage of molecules between them. It consists of proteins that interlock with each other, creating a tight seal. This type of junction is commonly found in the digestive system, where it helps to maintain the integrity of the epithelial lining and regulate the movement of substances across the cells.

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  • 15. 

    ___________________ is the intercellular attachment that embeds proteins forming channels between cells, allowing certain molecules to pass through, and is composed of cardiac muscle tissue.

    Correct Answer
    communicating junction
    gap junction
    Explanation
    Gap junctions are intercellular attachments that embed proteins forming channels between cells, allowing certain molecules to pass through. They are composed of cardiac muscle tissue. Gap junctions play a crucial role in coordinating the contraction of cardiac muscle cells, allowing electrical signals to pass from cell to cell, ensuring synchronized contractions of the heart. Therefore, the correct answer is "gap junction."

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  • 16. 

    The anchoring junction, or desmosome, has proteins sown to the cell membrane, a continuous sheet of cells, resists stretching and twisting, and is found in the:

    • A.

      Heart

    • B.

      Skin

    • C.

      Liver

    • D.

      Brain

    Correct Answer
    B. Skin
    Explanation
    Desmosomes are anchoring junctions that provide strong adhesion between cells in tissues that experience mechanical stress, such as the skin. These junctions consist of proteins that are attached to the cell membrane and form a continuous sheet of cells, which helps to resist stretching and twisting forces. While desmosomes can also be found in other tissues like the heart, liver, and brain, the correct answer in this case is the skin.

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  • 17. 

    ______________, located at the lateral surface of the epitheial tissue, aids in absorbtion.

    • A.

      Endothelium

    • B.

      Microvilli

    • C.

      Mesothelium

    • D.

      Sterocilia

    Correct Answer
    B. Microvilli
    Explanation
    Microvilli are small, finger-like projections located on the lateral surface of the epithelial tissue. These structures increase the surface area available for absorption. They are particularly important in cells involved in absorption processes, such as the cells lining the small intestine. The microvilli increase the efficiency of absorption by increasing the contact area between the epithelial cells and the substances being absorbed, allowing for a greater amount of absorption to occur. Therefore, microvilli aid in absorption.

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  • 18. 

    Simple squamous epithelium is located in:

    • A.

      Kidney tubules, ducts and secretory portions of small glands, and ovary surfaces

    • B.

      Large glands, the treachea, and most of the respiratory tract

    • C.

      Most of the digestive tract, uterine tubes, and some regions of the uterus

    • D.

      Lining of heart, blood vessels, and lungs; lining of ventral cavity

    Correct Answer
    D. Lining of heart, blood vessels, and lungs; lining of ventral cavity
  • 19. 

    What type of epithelium is found in the largest ducts of sweat glands, mammary glands, and salivary glands?

    • A.

      Transitional epithelium

    • B.

      Stratified columnar epithelium

    • C.

      Simple cuboidal epithelium

    • D.

      Stratified cubodial epithelium

    Correct Answer
    D. Stratified cubodial epithelium
    Explanation
    Stratified cuboidal epithelium is the correct answer because it is found in the largest ducts of sweat glands, mammary glands, and salivary glands. This type of epithelium consists of multiple layers of cube-shaped cells, which provides protection and support to these ducts. It is well-suited for areas that require secretion and absorption, which is essential for the functioning of these glands.

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  • 20. 

    Sebaceous glands are found in the scalp and axillary regions of the body. They use the ________ mode of secretion.

    • A.

      Merocrine

    • B.

      Holocrine

    • C.

      Apocrine

    • D.

      Exocytosis

    Correct Answer
    B. Holocrine
    Explanation
    Holocrine mode of secretion is used by sebaceous glands. In this mode, the entire cell disintegrates and releases its contents, including the secreted substance, into the duct. Sebaceous glands produce sebum, an oily substance that helps lubricate the skin and hair. The holocrine mode of secretion ensures that the entire cell is involved in the production and release of sebum.

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  • 21. 

    Salivary and eccrine sweat glands releases their product without damaging the gland by the most common mode of secretion,  ___________.

    • A.

      Apocrine

    • B.

      Endocrine

    • C.

      Holocrine

    • D.

      Merocrine

    Correct Answer
    D. Merocrine
    Explanation
    The correct answer is merocrine. Merocrine secretion is the most common mode of secretion for salivary and eccrine sweat glands. In merocrine secretion, the product is released through exocytosis without damaging the gland. This allows the gland to continue producing and releasing its product without harm.

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  • 22. 

    Specialized cells and the matrix are components of what tissue?

    • A.

      Connective tissue

    • B.

      Muscle tissue

    • C.

      Epithelium tissue

    • D.

      Neural tissue

    Correct Answer
    A. Connective tissue
    Explanation
    Connective tissue is composed of specialized cells and a matrix. The specialized cells in connective tissue include fibroblasts, adipocytes, and macrophages, among others. These cells are responsible for producing and maintaining the extracellular matrix, which is made up of proteins, fibers, and ground substance. The matrix provides structural support, strength, and elasticity to the tissue. Therefore, connective tissue is the correct answer because it consists of both specialized cells and the matrix.

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  • 23. 

    Protein fibers and ground substance make up:

    • A.

      Collagen

    • B.

      Mesenchymal tissue

    • C.

      Matrix

    • D.

      Lacunae

    Correct Answer
    C. Matrix
    Explanation
    The correct answer is matrix because protein fibers and ground substance together form the extracellular matrix, which is a complex network of molecules that provides structural support and regulates cell behavior in tissues. The matrix is essential for maintaining tissue integrity and function.

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  • 24. 

    _____________, which can be either fixed or free, are known as the "clean-up" cells.

    • A.

      Mast cell

    • B.

      Macrophage

    • C.

      Lymphocyte

    • D.

      Adipocyte

    Correct Answer
    B. Macrophage
    Explanation
    Macrophages are immune cells that are responsible for cleaning up cellular debris and pathogens in the body. They can be either fixed, meaning they are stationary in specific tissues, or free, meaning they can migrate throughout the body. Due to their role in cleaning up and removing waste, macrophages are often referred to as "clean-up" cells.

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  • 25. 

    Loose connective tissue does not have a lot of collagen fibers and is in the connective tissue proper classification. It includes __________ tissue, ___________ tissue, and ______________ tissue.

    Correct Answer
    reticular connective, adipose, areolar connective
    Explanation
    Loose connective tissue is a type of connective tissue that has fewer collagen fibers compared to other types. It falls under the connective tissue proper classification. The three types of tissues that are included in this classification are reticular connective tissue, adipose tissue, and areolar connective tissue. Reticular connective tissue is composed of reticular fibers and forms the framework for organs like the liver and spleen. Adipose tissue is made up of fat cells and serves as a storage site for energy. Areolar connective tissue is a loose arrangement of collagen and elastic fibers that supports organs and provides flexibility.

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  • 26. 

    _________________ is a loose connective tissue that provides framework for organs and has a lot of fibers.

    • A.

      Adipose tissue

    • B.

      Areolar connective tissue

    • C.

      Elastic connective tissue

    • D.

      Reticular connective tissue

    Correct Answer
    D. Reticular connective tissue
    Explanation
    Reticular connective tissue is a loose connective tissue that provides a framework for organs and contains a lot of fibers. It is made up of reticular fibers, which are thin and branched, forming a network-like structure. This tissue is found in organs such as the liver, spleen, and lymph nodes, where it provides support and helps in filtration and immune responses. Adipose tissue, on the other hand, is a type of connective tissue that stores fat, while areolar connective tissue is a more widespread connective tissue that surrounds and cushions organs. Elastic connective tissue contains elastic fibers and is found in structures that require elasticity, such as the lungs and blood vessels.

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  • 27. 

    The most common kind of fiber that is tough and stretchy and holds cells cells together is:

    • A.

      Collagen

    • B.

      Elastic

    • C.

      Recticular

    • D.

      Dense irregular

    Correct Answer
    A. Collagen
    Explanation
    Collagen is the correct answer because it is the most abundant protein in the human body and is responsible for providing structural support and strength to tissues. It forms a tough and stretchy matrix that holds cells together, making it an essential component of connective tissues such as tendons, ligaments, and skin. Elastic fibers, reticular fibers, and dense irregular fibers also play a role in tissue structure, but collagen is the most common and predominant type.

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  • 28. 

    What is the connective tissue found in the dermis?

    • A.

      Elastic

    • B.

      Dense regular

    • C.

      Dense irregular

    • D.

      Areolar

    Correct Answer
    C. Dense irregular
    Explanation
    Dense irregular connective tissue is the correct answer because it is the type of connective tissue found in the dermis. This type of tissue is characterized by densely packed collagen fibers that are arranged irregularly, providing strength and support to the skin. It also allows the skin to withstand tension and stretching in multiple directions.

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  • 29. 

    What type of connective tissue is found in tendons and ligaments?

    • A.

      Dense regular

    • B.

      Dense irregular

    • C.

      Reticular

    • D.

      Elastic

    Correct Answer
    A. Dense regular
    Explanation
    Tendons and ligaments are both types of connective tissue that connect bones to other bones or muscles. Dense regular connective tissue is characterized by tightly packed collagen fibers that are arranged in parallel, allowing it to withstand high levels of tension and provide strength and support. This arrangement is ideal for tendons and ligaments, as they need to be able to withstand the forces and stresses placed upon them during movement and physical activity. Therefore, dense regular connective tissue is the correct answer for this question.

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  • 30. 

    The most common type of cartilage is found in the trachea and larynx. It is:

    • A.

      Hyaline

    • B.

      Fibrocartilage

    • C.

      Elastic cartilage

    • D.

      Bone

    Correct Answer
    A. Hyaline
    Explanation
    Hyaline cartilage is the most common type of cartilage found in the trachea and larynx. It is a translucent, flexible, and relatively smooth type of cartilage that provides support and flexibility to these structures. Hyaline cartilage is composed of collagen fibers and a gel-like matrix, giving it its characteristic appearance. It is also found in other areas of the body, such as the nose, ribcage, and joints.

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  • 31. 

    Hyaline cartilage, which is very high in fiber and can withstand a lot of pressure, can be found in vertebrae disks and the symphysis pubis.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    The statement is false. Hyaline cartilage is not very high in fiber and cannot withstand a lot of pressure. It is a type of cartilage that is found in the nose, trachea, and the ends of long bones. It is smooth and flexible, but not particularly resistant to pressure.

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  • 32. 

    Contractile proteins are found in __________ tissue, which is highly contractile.

    • A.

      Skeletal

    • B.

      Connective

    • C.

      Muscle

    • D.

      Nerve

    Correct Answer
    C. Muscle
    Explanation
    Contractile proteins are found in muscle tissue, which is highly contractile. Muscle tissue is made up of specialized cells called muscle fibers, which contain contractile proteins such as actin and myosin. These proteins are responsible for the contraction and relaxation of muscles, allowing them to generate force and movement. Skeletal, connective, and nerve tissues do not possess the same level of contractility as muscle tissue, making muscle the correct answer.

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  • 33. 

    What type of tissue is multinucleated?

    • A.

      Smooth muscle tissue

    • B.

      Skeletal muscle tissue

    • C.

      Cardiac muscle tissue

    • D.

      Dense irregular connective tissue

    Correct Answer
    B. Skeletal muscle tissue
    Explanation
    Skeletal muscle tissue is multinucleated. This type of tissue is composed of long, cylindrical cells called muscle fibers, which contain multiple nuclei. These nuclei are located at the periphery of the muscle fiber and play a role in the muscle's ability to contract and generate force. Skeletal muscle tissue is responsible for voluntary movements in the body and is found attached to bones.

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  • 34. 

    The axon in the nueron:

    • A.

      Carries impulses away from the soma.

    • B.

      Carries impulses to the soma.

    • C.

      Is the potential action in cells.

    • D.

      Conducts impulses.

    Correct Answer
    A. Carries impulses away from the soma.
    Explanation
    The axon is a long, slender projection of a neuron that carries electrical impulses away from the soma (cell body) to other neurons, muscles, or glands. It is responsible for transmitting information from one neuron to another or to an effector organ. This process, known as axonal conduction, allows for the communication and coordination of signals within the nervous system. Therefore, the correct answer is that the axon carries impulses away from the soma.

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  • 35. 

    Muscle tissue and epithelial tissue are found in membranes.

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    Muscle tissue and epithelial tissue are not found in membranes. Muscle tissue is found in organs such as the heart and skeletal muscles, while epithelial tissue is found lining the surfaces of organs and forming glands. Membranes, on the other hand, are thin layers of tissue that cover or line various structures in the body, but they do not contain muscle or epithelial tissue. Therefore, the correct answer is false.

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  • 36. 

    What membrane is found in joints?

    • A.

      Mucous membrane

    • B.

      Serous membrane

    • C.

      Cutaneous membrane

    • D.

      Synovial membrane

    Correct Answer
    D. Synovial membrane
    Explanation
    The synovial membrane is found in joints. This membrane lines the joint cavity and produces synovial fluid, which lubricates the joint and reduces friction between the bones. It also helps nourish the cartilage and remove waste products from the joint. The other options, such as mucous membrane, serous membrane, and cutaneous membrane, are found in different parts of the body and serve different functions.

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  • 37. 

    What is not a function in the integumentary system?

    • A.

      Heat regulation

    • B.

      Movement

    • C.

      Abundant sensation

    • D.

      Metabolic function

    Correct Answer
    B. Movement
    Explanation
    Movement is not a function in the integumentary system. The integumentary system primarily consists of the skin, hair, nails, and glands, and its main functions are protection, sensation, regulation of body temperature, and synthesis of vitamin D. Movement is primarily controlled by the muscular and skeletal systems, not the integumentary system. While the skin does play a role in facilitating movement by providing a smooth surface for muscles and joints to move against, movement itself is not a direct function of the integumentary system.

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  • 38. 

    ____________ are in areas that lack hair and are highly sensitive to touch.

    • A.

      Keratinocytes

    • B.

      Melanocytes

    • C.

      Langerhans

    • D.

      Merkle cells

    Correct Answer
    D. Merkle cells
    Explanation
    Merkle cells are found in areas that lack hair and are highly sensitive to touch. These cells are located in the skin's outermost layer, known as the epidermis, and are responsible for transmitting sensory information to the brain. They play a crucial role in the perception of touch and are particularly abundant in areas such as the fingertips, lips, and genital region, where sensitivity to touch is heightened.

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  • 39. 

    List the five layers of the epidermis in deepest to most superficial order: _____________ ________ ___________________ __________

    Correct Answer
    stratum basale
    stratum spinosum
    stratum granulosum
    stratum lucidum
    stratum cornenum
    Explanation
    The correct answer is the order in which the five layers of the epidermis are listed: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum. The stratum basale is the deepest layer, followed by the stratum spinosum, stratum granulosum, stratum lucidum, and finally the stratum corneum, which is the most superficial layer.

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  • 40. 

    The epidermis layer that is found in palma and plantar surfaces is:

    • A.

      Stratum lucidum

    • B.

      Stratum basale

    • C.

      Stratum spinosum

    • D.

      Stratum corneum

    Correct Answer
    A. Stratum lucidum
    Explanation
    The epidermis layer that is found in palma and plantar surfaces is the stratum lucidum. This layer is located between the stratum granulosum and the stratum corneum. It is made up of clear, flat, and dead cells that lack a nucleus and other organelles. The stratum lucidum is responsible for providing additional protection to the skin in areas that experience a lot of friction and pressure, such as the palms of the hands and the soles of the feet.

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  • 41. 

    What is not responsible for skin color?

    • A.

      Vessels

    • B.

      Capilaries

    • C.

      Melanon

    • D.

      Meissners corpuscles

    Correct Answer
    D. Meissners corpuscles
    Explanation
    Meissner's corpuscles are sensory receptors located in the skin, responsible for detecting light touch and vibration. They play no role in determining skin color. On the other hand, vessels, capillaries, and melanin are all factors that contribute to skin color. Blood vessels and capillaries can affect skin tone by influencing blood flow, while melanin, a pigment produced by melanocytes, determines the color of our skin, hair, and eyes.

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  • 42. 

    Name the corpuscles in the dermis in deepest to most superficial order: ____________ _________ ________________

    Correct Answer
    meissners corpuscles
    ruffini corpuscles
    pacinian corpuscles
    Explanation
    The correct order of the corpuscles in the dermis from deepest to most superficial is Meissner's corpuscles, Ruffini corpuscles, and Pacinian corpuscles. Meissner's corpuscles are located closer to the surface of the skin and are responsible for light touch and sensitivity. Ruffini corpuscles are deeper in the dermis and are involved in detecting skin stretch and pressure. Pacinian corpuscles are the deepest and are responsible for detecting deep pressure and vibration.

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  • 43. 

    Eccrine sweat glands and apocrine sweat glands use what mode of secretion?

    • A.

      Merocrine

    • B.

      Holocrine

    • C.

      Endocrine

    • D.

      Apocrine

    Correct Answer
    A. Merocrine
    Explanation
    Eccrine sweat glands and apocrine sweat glands both use the mode of secretion known as merocrine. Merocrine secretion is a process where the secretory cells release their product by exocytosis, without any loss of cellular material. In the case of sweat glands, the sweat is produced by the secretory cells and then released through the sweat ducts onto the skin surface. This mode of secretion allows for efficient and controlled release of sweat without any damage to the secretory cells.

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  • 44. 

    Cutaneous plexus is a network of vessels or nerves in the hypodermis, while the capillary loop/papillary plexus is a tight network of vessels in the dermis.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    The explanation for the given correct answer is that the cutaneous plexus refers to a network of vessels or nerves that are found in the hypodermis, which is the deepest layer of the skin. On the other hand, the capillary loop or papillary plexus is a tightly woven network of vessels that is located in the dermis, the layer of skin above the hypodermis. Therefore, the statement is true as it accurately describes the locations of these two networks within the skin.

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  • 45. 

    What is not part of the papillary layer in the dermis?

    • A.

      Meissners corpuscles

    • B.

      Dermal papillae

    • C.

      Ruffini corpuscles

    • D.

      Capillary loop

    Correct Answer
    C. Ruffini corpuscles
    Explanation
    Ruffini corpuscles are not part of the papillary layer in the dermis. The papillary layer is the upper layer of the dermis that contains dermal papillae, which are small projections that help increase the surface area for nutrient exchange and provide support to the epidermis. Meissner's corpuscles and capillary loops are also found in the papillary layer and are involved in sensory perception and blood supply respectively. However, Ruffini corpuscles are located in the deeper reticular layer of the dermis and are responsible for detecting skin stretch and tension.

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  • 46. 

    What specific region contains hair follicles, sebaceous glands, apocrine, and eccrine sweat glands?

    • A.

      Scalp

    • B.

      Axillary

    • C.

      Plantar surfaces

    • D.

      Palma surfaces

    Correct Answer
    B. Axillary
    Explanation
    The axillary region refers to the armpit area, which contains hair follicles, sebaceous glands, apocrine sweat glands, and eccrine sweat glands. This region is known for its high concentration of sweat glands, which are responsible for producing sweat to regulate body temperature. Additionally, the axillary region also contains hair follicles and sebaceous glands, which are responsible for producing oil to lubricate the skin and hair. Therefore, the axillary region is the specific region that contains all of these structures.

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  • 47. 

    2nd and 3rd degree burns may injure the papillary and reticular layer of the dermis.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    2nd and 3rd degree burns can indeed injure the papillary and reticular layer of the dermis. The dermis is the second layer of the skin, and it is composed of two main layers: the papillary layer and the reticular layer. The papillary layer is the upper layer of the dermis, while the reticular layer is the deeper layer. Both layers contain important structures such as blood vessels, nerve endings, and sweat glands. When a burn reaches the 2nd or 3rd degree, it can damage these layers, leading to severe injury and potential complications.

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  • 48. 

    What skin cancer can be fatal and has ABCD characteristics?

    • A.

      Basale cell carcinoma

    • B.

      Squamous cell carcinoma

    • C.

      Malignment melonoma

    • D.

      Malignment carcinoma

    Correct Answer
    C. Malignment melonoma
    Explanation
    Malignant melanoma is a type of skin cancer that can be fatal if not detected and treated early. It is characterized by the ABCD characteristics, which stand for Asymmetry, Border irregularity, Color variation, and Diameter greater than 6mm. These characteristics help in identifying potential melanomas and distinguishing them from benign moles or other types of skin cancer.

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  • 49. 

    Squamous cell carcinoma can be found in the epidermis and mucous membranes.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Squamous cell carcinoma is a type of skin cancer that commonly occurs in the epidermis, which is the outermost layer of the skin. It can also be found in the mucous membranes, which are the moist linings of various body cavities such as the mouth, throat, and genital areas. Therefore, the statement that squamous cell carcinoma can be found in the epidermis and mucous membranes is true.

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  • 50. 

    Retin A is a derivative of vitamin A and increases blood flow to the dermis.

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    Retin A is indeed a derivative of vitamin A and it is known to increase blood flow to the dermis. This is one of the reasons why Retin A is commonly used in skincare products as it helps to improve the appearance and texture of the skin by promoting better circulation.

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Quiz Review Timeline +

Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Mar 19, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jun 20, 2010
    Quiz Created by
    Ashhash05
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