TEAS VERSION 6 Science wChemistry REVISION 264+ QUESTIONS AND ANSWERS
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Anatomical position - ANSWER-Standard positioning of the body as standing: feet
together; arms to the side; with head, eyes, and palms of hands forward.
Cells - ANSWER-The basic structural unit of an organism from which living things are
created.
Haploid - ANSWER-after meiosis, the number of ch...
TEAS VERSION 6 Science w/Chemistry
REVISION 264+ QUESTIONS AND
ANSWERS
Anatomical position - ANSWER-Standard positioning of the body as standing: feet
together; arms to the side; with head, eyes, and palms of hands forward.
Cells - ANSWER-The basic structural unit of an organism from which living things are
created.
Haploid - ANSWER-after meiosis, the number of chromosomes in gametes is halved.
23 Chromosmes
Diploid - ANSWER-diploid cells contain the complete set of necessary chromosomes;
23 pairs, 46 chromosomes
Mitosis - ANSWER-Cell replication in eukaryotic cells
Prophase - ANSWER-The first and longest stage of mitosis. In this stage the
chromosomes become visible and the centrioles separate and move to opposite poles
of the cell.
Metaphase - ANSWER-The second stage of mitosis. In this stage the chromosomes
line up across the center of the cell and become connected to the spindle fiber at their
centromere.
Anaphase - ANSWER-The third stage of mitosis. In this stage the sister chromatids
separate into individual chromosomes and are pulled apart.
Telophase - ANSWER-The fourth and last stage of mitosis. During this stage the
chromosomes gather at opposite ends of the cell and lose their distinct rod-like shapes.
Two new nuclear membranes then form around each of the two regions of DNA and the
spindle fibers disappear.
Cellular functions - ANSWER-Processes that include growth, metabolism, replication,
protein synthesis, and movement.
Directional terminology - ANSWER-Words used to explain relationships of locations of
anatomical elements (distal, posterior, medial, etc.).
, Organ systems - ANSWER-A functional groups of organs that work together with in the
body: circulatory, integumentary , skeletal, reproductive, digestive, urinary, respiratory,
endocrine, lymphatic, muscular, nervous.
Organ - ANSWER-A self contained part of an organism that performs a specific
function.
Organelle - ANSWER-I specialize part of a cell that has a specific function.
Reference planes - ANSWER-Planes dividing the body to describe locations: sagittal,
coronal, and transfers.
Tissues - ANSWER-A group of cells with a similar structure that functions together as a
unit, but at a lower level than organs.
Alveoli - ANSWER-Tiny air sacs in the lungs were exchange of oxygen and carbon
dioxide takes place.
Asthma - ANSWER-And lung disease characterized by inflamed, narrow airways and
difficulty breathing.
Bronchi - ANSWER-A main passageway directly attached to the Lungs.
Bronchioles - ANSWER-A small passageway in the lines that connect bronchi to alveoli.
Cystic fibrosis - ANSWER-A genetic disorder that affects the Longs and other organs,
characterized by difficulty breathing, coughing up sputum, and lung infection.
Perfusion - ANSWER-The passage of fluid to an organ or a tissue.
Pleura - ANSWER-A membrane around the lungs and inside the chest cavity.
Surfactant - ANSWER-A fluid secreted by alveoli around the lungs.
Tidal volume - ANSWER-The amount of air breathe in a normal inhalation or exhalation.
Trachea - ANSWER-The one pipe, which connects the larynx to the lungs.
Ventilation - ANSWER-The movement of air in and out the body via inhalation and
exhalation.
Diaphragm - ANSWER-diaphragm contracts (tightens) and moves downward. This
increases the space in your chest cavity, into which your lungs expand
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