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50 Cards in this Set
- Front
- Back
The study of the structure of individual cells is called:
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Citology
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The cranial Cavity & spinal cavity male up the:
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Dorsal body Cavity
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Which of the following terms refers to the front or chest & abdominal regions of the body?
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Anterior, Ventral
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Which sectional plane could divide the body so that the face remains intact?
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Coronal Plane
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The study of the structure of tissues is called
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Histology
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The branch of Physiology that deals with changes in function resulting from disease is called:
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Pathological Physiology
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Arrange the following levels of organization from smallest to largest- 1.Tissue 2.Cell 3.Organ 4.Organelle 5.Organism 6.Organ System
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4.Organelle
2. Cell 1.Tissue 3.Organ 6.Organ System 5.Organism |
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Skin, Hair and nails are associated with the ___ system.
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Integumentary
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The maintenance of a constant and optimal internal environment in an organism is termed:
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Homeostasis
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When Body temperature rises, a center in the brain initiates physiological changes to decrease the body temp. This is an example of:
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Negative Feedback
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A person facing forward with hands at the sides and palms facing forward is in the
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Anatomical Position
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Which oft he following structures is lateral to the nose?
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Eyes and Ears
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The wrist is ______ to the elbow
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Distal
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The chest is ________ to the umbilicus
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Superior
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Which of the following regions corresponds to the lower back?
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Lumbar
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Which of the following regions corresponds to the upper arm?
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Brachial
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A cut that passes parallel through the long axis of the body and divides into equal left and right halves is known as
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Midsagittal Section
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The simplest chemical units of matter are
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Atoms
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Isotopes of an element differ in the number of
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Neutrons in the Nucleus
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The atomic # represents the # of
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Protons in the atom
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All atoms with the same atomic # are grouped into
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Elements
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The mass # of an atom indicates the # of
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Proton and Neurons in the Nucleus
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The chemical behavior of an atom is determined by
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The # and arrangement of electrons
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Ions with a positive charge are called
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Cations
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In living cells, the weakest bond between two or more atoms is the __ bond
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Hydrogen
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Elements that have atoms with full outer shells of electrons
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are intact
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Chemical Reactions in the human body are controlled by special catalyst molecules calles
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Enzymes
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All of the following are true concerning enzymes except
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Becoming a part of the reactions product
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Substrate molecules bind to enzymes at the ____ sites
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Active
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All of the compounds that can be synthesized or broken down by chemical reactions inside the body are called
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Enzymes
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Each of the following is an example of an inorganic compound except
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Glucose
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A solution containing equal #s of hydrogen ions and hydroxide ions is:
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Neutral
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The basic structural and functional unit of the human body is
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The cell
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The watery medium that surrounds a cell is called
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Extracellular Fluid
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Functions of the cell membrane include all of the following except
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Identifying foreign substances and cells
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Which of the following is not a function of membrane proteins
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Produces energy
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Functions od the glycocalyx include
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Lubricating and protecting the cell membrane, identifying the cell for the immune system and acting as recpetors for hormones
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Each of the following is an example of nonmembrane organelle except
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Lysosomes
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Which of the following cytoskeleton components are responsible for the movement of chromosomes during cell division?
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Microtubules
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Flagella move a cell through a fluid medium. What moves the fluid medium across the surface cell?
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Cilia
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Most of the ATP required to power cellular operations is produced in the
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Mitochondria
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The components of ribosomes are formed by
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Nuclei
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Which of the following consists of a network of intracellular membranes with attached ribosomes?
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Rough Endoplasmic Reticulum
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Vesicles containing enzymes that neutralize toxins such as alcohol are:
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Peroxisomes
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A molecule that blocks the ion channels in integral proteins in the cell membrane would interfere with
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The ability of the cell membrane to depolarize
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Analysis of a tissue sample indicates that it contains abundant filaments composed of the protein myosin and many actin microfilaments. This tissue is probably
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Muscle Tissue
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Examination of a sample of glandular cells reveals an extensive network of Smooth Endoplasmic Reticulum. Which of the following would be a possible product of these cells?
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Steroid Hormones
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Breathing faster and deeper eliminates more carbon dioxide from the body than normal breathing. Under these circumstances
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More carbon dioxide will diffuse out of the blood
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I fthe permeability of the cell membrane to sodium ions increased
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The resting membrane potential would be less negative
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The nucleotide that is foind in RNA but not in DNA is
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Uracil
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