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Anatomy & Physiology: Human Body Orientation and Structural Organization

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이 집합의 용어 (22)

  • What is the anatomical position and why is it used?

    The anatomical position is standing erect, feet hip-width apart, toes forward, head forward, and palms facing forward. It provides a consistent frame of reference for anatomical descriptions.

  • Difference between supination and pronation with example

    Supination turns the palms forward/upward (e.g., holding a bowl). Pronation turns the palms downward (e.g., typing).

  • Define superior and inferior with examples

    Superior means toward the head; inferior means toward the feet.

  • Define medial and lateral with examples

    Medial means toward the midline; lateral means away from the midline.

  • Define proximal and distal with examples

    Proximal means closer to the point of attachment; distal means farther from the point of attachment.

  • Define superficial and deep with examples

    Superficial means near the surface; deep means farther from the surface.

  • Compare sagittal, frontal, and transverse planes

    Sagittal divides left/right; frontal divides anterior/posterior; transverse divides superior/inferior.

  • Difference between midsagittal and parasagittal planes

    Midsagittal divides the body into equal left/right halves; parasagittal divides into unequal left/right halves.

  • How do anatomical regional names relate to body structures?

    Regional names correspond to underlying structures, e.g., the brachial region contains the humerus, brachial artery, and muscles.

  • What are the major subdivisions of the dorsal and ventral body cavities?

    Dorsal cavity: cranial and vertebral. Ventral cavity: thoracic (pleural, mediastinum, pericardial) and abdominopelvic (abdominal and pelvic).

  • Structure and function of serous membranes

    Serous membranes are thin double-layered membranes with parietal (outer) and visceral (inner) layers. Serous fluid reduces friction between organs.

  • Name the four abdominopelvic quadrants and a major organ in each

    RUQ: liver/gallbladder; LUQ: stomach; RLQ: appendix; LLQ: descending/sigmoid colon.

  • Meaning of hypochondriac, lumbar, epigastric, and hypogastric regions

    Hypochondriac: under cartilage; lumbar: lower back; epigastric: above stomach; hypogastric: below stomach.

  • List the levels of structural organization from simplest to most complex

    Cell → Tissue → Organ → Organ System. Each level increases complexity and specialization.

  • Major organs and functions of the cardiovascular system

    Includes the heart and blood vessels. Function: transport of gases, nutrients, and wastes.

  • What does an X-ray visualize and when is it used?

    X-rays visualize bone structures and are used for detecting fractures and bone abnormalities.

  • Clinical use of CT scans

    CT provides detailed cross-sectional images and is preferred for acute trauma evaluation.

  • Clinical use of MRI scans

    MRI visualizes soft tissues and is preferred for soft-tissue and degenerative disease evaluation.

  • How do pleura and serous membranes reduce friction in the thoracic cavity?

    Pleura are serous membranes that produce serous fluid to reduce friction between lung and chest wall during breathing.

  • Why is appendicitis a concern with pain in the Right Lower Quadrant (RLQ)?

    The RLQ contains the appendix; inflammation causes localized sharp pain indicating appendicitis.

  • Organs involved in pain in the epigastric region

    The epigastric region contains the stomach and liver; pain may indicate gastritis or liver issues.

  • Purpose of bone densitometry

    Bone densitometry measures calcium/mineral content in bones to detect osteoporosis.