Hesi Anatomy and Physiology Exam Questions With Correct Answers

Hesi Anatomy and Physiology Exam Questions
With Correct Answers


body's maintenance of a stable environment - CORRECT ANSWER✔✔-
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homeostasis


molecule or cell that provides information about the environment -
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CORRECT ANSWER✔✔-receptors
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indicates correct value (e.g. body temp) - CORRECT ANSWER✔✔-control
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|center (and set point)
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What elicits a response that alters conditions within the body's internal
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environment. (e.g. muscles and glands) - CORRECT ANSWER✔✔-
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effectors


When receptors measure deviations from the set point, effectors are
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activated and conditions are returned toward the set point and effectors
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gradually shut off. This movement toward homeostasis and balance is
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called ......... - CORRECT ANSWER✔✔-negative feedback
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,Homeostatic mechanisms that function when changes byeffectors move
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the body away from normal conditions, causing more changes, is
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called...... (examples are blood clotting and labor contractions) -
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CORRECT ANSWER✔✔-positive feedback
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Levels of organization - CORRECT ANSWER✔✔-organelles, cells, tissues,
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organs, organ systems, organism
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Cell components that perform a specific function - CORRECT
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ANSWER✔✔-organelle


Basic unit of structure and function - CORRECT ANSWER✔✔-cells
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Groups of cells organized into layers or masses that have specific
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functions - CORRECT ANSWER✔✔-tissues
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Structures that perform a specialized function (comprised of tissues) -
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CORRECT ANSWER✔✔-organs |




Groups of organs that function together closely - CORRECT
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ANSWER✔✔-Organ systems |




Comprised of an interacting organ system - CORRECT ANSWER✔✔-
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Organism

,above, or closer to the head - CORRECT ANSWER✔✔-superior
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below, or closer to the feet - CORRECT ANSWER✔✔-inferior
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Toward the front - CORRECT ANSWER✔✔-Anterior (Ventral)
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Toward the back - CORRECT ANSWER✔✔-Posterior (Dorsal)
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Toward the midline - CORRECT ANSWER✔✔-medial
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Away from the midline (closer to the sides) - CORRECT ANSWER✔✔-
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lateral


Imaginary vertical line dividing the body into right and left portions -
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CORRECT ANSWER✔✔-Median (saggital) plane
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Imaginary vertical line dividing the body into anterior and posterior
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portions - CORRECT ANSWER✔✔-Coronal/Frontal plane
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Imaginary horizontal line dividing the body into superior and inferior -
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CORRECT ANSWER✔✔-Transverse (cross-sectional)
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, Cranial and spinal cavity - CORRECT ANSWER✔✔-Dorsal cavities (near
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the back)
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Cavity that contains the brain - CORRECT ANSWER✔✔-Cranial cavity
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Cavity that contains the spinal cord and vertebrae - CORRECT
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ANSWER✔✔-Spinal cavity (vertebral) | |




Ventral cavities (near the front of the body) - CORRECT ANSWER✔✔-
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orbits, nasal, oral, thoracic, mediastinum, pericardial, pleural, and
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abdominopelvic (peritoneal) |




Cavity that contains the eyes and associated skeletal muscles and nerves
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- CORRECT ANSWER✔✔-orbits
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Cavity that is divided into right and left portions by the nasal septum;
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air-filled sphenoid and frontal sinuses - CORRECT ANSWER✔✔-Nasal
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cavity


Cavity that contains the teeth and tongue - CORRECT ANSWER✔✔-Oral
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cavity