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Questions and Answers

Ultrathin sections are:

  • 5 - 10 nm sections.
  • 50 - 100 µm sections.
  • 50 - 100 nm sections. (correct)
  • 5 - 10 µm sections.

    • A special stain for lipids is:

  • Silver.
  • Hematoxylin.
  • Histochemical techniques.
  • Osmic acid. (correct)

    • _____ technique gives serial sections

    Paraffin

    Acidophilic structures are stained by _____ stain.

    <p>Eosin</p> Signup and view all the answers

    Carbohydrates can be stained by _____ stain.

    <p>Periodic acid-Schiff (PAS)</p> Signup and view all the answers

    What is one advantage of using the freezing technique?

    <p>It is very rapid, so it is used for rapid diagnosis.</p> Signup and view all the answers

    What is a specific stain for carbohydrates?

    <p>Periodic acid-Schiff (PAS)</p> Signup and view all the answers

    Epithelium is subjected to continuous degeneration and regeneration.

    <p>True</p> Signup and view all the answers

    Simple cubical epithelium lines the trachea.

    <p>False</p> Signup and view all the answers

    Fallopian tubes are lined by:

    <p>Simple columnar ciliated epithelium.</p> Signup and view all the answers

    Simple columnar secretory epithelium is:

    <p>Lines the stomach.</p> Signup and view all the answers

    Stratified squamous epithelium is:

    <p>Formed of 30 layers.</p> Signup and view all the answers

    Which type of epithelium can change its cellular arrangement on distension?

    <p>Transitional.</p> Signup and view all the answers

    Simple branched tubular glands are:

    <p>Have branched secretory portions.</p> Signup and view all the answers

    Which of the following is characteristic of Neuroepithelium?

    <p>Its sensory cells show free nerve endings at its lower border.</p> Signup and view all the answers

    Lung alveoli are lined by simple squamous epithelium.

    <p>True</p> Signup and view all the answers

    The esophagus is lined by transitional epithelium.

    <p>False</p> Signup and view all the answers

    Glandular epithelium is specialized in production of secretions.

    <p>True</p> Signup and view all the answers

    Compound glands have an unbranched duct.

    <p>False</p> Signup and view all the answers

    Yellow elastic fibers form wavy bundles.

    <p>True</p> Signup and view all the answers

    C.T. proper matrix is rigid.

    <p>False</p> Signup and view all the answers

    Mast cells produce histamine.

    <p>True</p> Signup and view all the answers

    Brown adipose tissue has less blood supply than white adipose tissue.

    <p>False</p> Signup and view all the answers

    Fat cells are responsible for:

    <p>Storing lipids.</p> Signup and view all the answers

    Healing and growth of connective tissue is a function of which cell type?

    <p>Fibroblasts.</p> Signup and view all the answers

    Which characteristic is NOT true of white collagenous fibers?

    <p>Are stained yellow with Van Gieson's stain.</p> Signup and view all the answers

    Which stain is used to dye yellow elastic fibers yellow?

    <p>Van Gieson's stain.</p> Signup and view all the answers

    Which characteristic is TRUE of the matrix of connective tissue proper?

    <p>Contains glycoproteins.</p> Signup and view all the answers

    Which of the following is characteristic of plasma cells?

    <p>Have deep acidophilic cytoplasm with negative Golgi image.</p> Signup and view all the answers

    Which cell type originates from a blood monocyte?

    <p>Macrophage.</p> Signup and view all the answers

    Which of the following is NOT a characteristic of reticular connective tissue?

    <p>Formed of adipocytes.</p> Signup and view all the answers

    Cartilage is a type of connective tissue proper.

    <p>True</p> Signup and view all the answers

    Hyaline cartilage is pale blue and translucent.

    <p>True</p> Signup and view all the answers

    White fibro-cartilage is present in the semilunar cartilage of the knee.

    <p>True</p> Signup and view all the answers

    What is the major source of nutrition for chondrocytes?

    <p>Perichondrium.</p> Signup and view all the answers

    Which of the following is a component of the matrix of hyaline cartilage?

    <p>Contains chondroitin sulphate.</p> Signup and view all the answers

    Which of the following is NOT a site where yellow elastic fibrocartilage is found?

    <p>Semilunar cartilage of the knee.</p> Signup and view all the answers

    Bone is a calcified osteoid tissue with a hard matrix.

    <p>True</p> Signup and view all the answers

    What are the major components of bone?

    <p>Periosteum, endosteum, bone matrix, and bone cells.</p> Signup and view all the answers

    The periosteum is comprised of an outer fibrous layer and an inner osteogenic layer.

    <p>True</p> Signup and view all the answers

    Osteocytes are located inside:

    <p>Lacunae in between bone lamellae.</p> Signup and view all the answers

    Osteocytes have deep basophilic cytoplasm with a negative Golgi image.

    <p>False</p> Signup and view all the answers

    Osteoblasts are responsible for bone resorption.

    <p>False</p> Signup and view all the answers

    The Haversian system is the structural unit of compact bone.

    <p>True</p> Signup and view all the answers

    What cell type is present in the inner osteogenic layer of the periosteum?

    <p>Osteogenic cells</p> Signup and view all the answers

    What is the origin of osteocytes?

    <p>Mature osteoblasts</p> Signup and view all the answers

    What is the function of osteoclasts?

    <p>Bone resorption</p> Signup and view all the answers

    Inner circumferential lamellae of compact bone are present under the periosteum.

    <p>False</p> Signup and view all the answers

    Cancellous bone is characterized by being solid with no holes.

    <p>False</p> Signup and view all the answers

    The structural unite of cancellous bone is the Haversian system.

    <p>False</p> Signup and view all the answers

    Cancellous bone is present in young embryonic bone.

    <p>True</p> Signup and view all the answers

    Bone matrix contains type I collagenous fibers.

    <p>True</p> Signup and view all the answers

    The Haversian system is the structural unit of compact bone.

    <p>True</p> Signup and view all the answers

    Skeletal muscle fibers are involuntary.

    <p>False</p> Signup and view all the answers

    Cardiac muscle fibers are branching and anastomosing.

    <p>True</p> Signup and view all the answers

    The functional contractile unit of skeletal muscle is a _______.

    <p>sarcomere</p> Signup and view all the answers

    In a sarcomere, both ends of _______ filaments are free.

    <p>thick</p> Signup and view all the answers

    Each light band in a myofibril is divided at its center by a dark line called the H-zone.

    <p>False</p> Signup and view all the answers

    Myofibrils are contractile elements transversly arranged in skeletal muscle fibers.

    <p>True</p> Signup and view all the answers

    What is the distance between two successive Z-lines in a myofibril called?

    <p>Sarcomere.</p> Signup and view all the answers

    How does the depolarization wave reach the depth of a striated muscle fiber?

    <p>Transverse tubules.</p> Signup and view all the answers

    Where are intercalated discs found?

    <p>Cardiac muscle fibers only.</p> Signup and view all the answers

    Which of these is NOT a characteristic of smooth muscle fibers?

    <p>Are striated.</p> Signup and view all the answers

    Smooth muscle fibers are responsible for maintaining tonic contractions for long periods.

    <p>True</p> Signup and view all the answers

    Smooth muscle fibers produce peristaltic movements.

    <p>True</p> Signup and view all the answers

    Nerve impulses travel in which direction along an axon?

    <p>Centrifugal.</p> Signup and view all the answers

    Dendrites have an irregular surface.

    <p>True</p> Signup and view all the answers

    The function of the myelin sheath is to insulate nerve impulses.

    <p>True</p> Signup and view all the answers

    What is an example of a myelinated nerve with a neurolemma?

    <p>Peripheral nerves</p> Signup and view all the answers

    What is an example of a multipolar nerve cell?

    <p>Motor neurons</p> Signup and view all the answers

    Nerve Ganglia are collections of nerve cells and nerve fibers outside of the Central Nervous System (CNS)

    <p>True</p> Signup and view all the answers

    Sympathetic ganglia are thicker than Spinal ganglia.

    <p>False</p> Signup and view all the answers

    Spinal ganglion nerve cells are multipolar.

    <p>False</p> Signup and view all the answers

    Sympathetic ganglion nerve cells are always small.

    <p>False</p> Signup and view all the answers

    Nerve cells in Sympathetic ganglia are arranged in groups or rows.

    <p>False</p> Signup and view all the answers

    Nerve fibers in Spinal ganglia are thinly or non-myelinated.

    <p>False</p> Signup and view all the answers

    Myelin sheath is stained black with Hematoxylin and Eosin stain.

    <p>False</p> Signup and view all the answers

    Sympathetic nerve fibers can be myelinated.

    <p>True</p> Signup and view all the answers

    Study Notes

    Histology 1 Course Information

    • Course code: PTBA 1103
    • Edition: Frist Edition 2023/2024
    • Level: Level 1/Semester 1
    • Academic year: 2024/2025

    Histology Course Vision

    • Strives to be a local and regional competitor in educational programs.
    • Distinguishes itself through scientific research that supports sustainable development and community service.

    Histology Course Mission

    • Aims to prepare competent physical therapists.
    • Capable of providing high-quality healthcare.
    • Offers advanced educational programs that encourage self-learning, continuous learning, and systematic scientific research, ultimately contributing to societal development and problem-solving.

    Histology Course Strategic Goals

    • Improving institutional performance efficiency to ensure quality performance.
    • Achieving excellence in the educational program and enhancing graduate competitiveness.
    • Enhancing the scientific research system and supporting excellence and innovation.
    • Providing exceptional community services and contributing to environmental development for sustainable development.
    • Qualifying the faculty for accreditation according to the standards of the National Authority for Quality Assurance and Accreditation in Education.

    Histology 1 Content Outline

    • Introduction
    • Body Tissues (Epithelium, Connective Tissue, Cartilage, Bone, Muscle tissue, Nervous Tissue)
    • Microtechniques (Sectioning, Staining)
    • Microscopy (Ordinary Light Microscope, Electron Microscope)
    • Questions (multiple choice, fill-in-the-blank, mention)

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