Physio Lecture Exam #35-70

32 Questions

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Chemical Element Quizzes & Trivia

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Questions and Answers
  • 1. 
    Which of the following is considered to be neutral and the pH scale
    • A. 

      Urine

    • B. 

      Pure water

    • C. 

      Blood plasma

    • D. 

      Cytoplasm

  • 2. 
    Steroids are classified as
    • A. 

      Carbs

    • B. 

      Lipids

    • C. 

      Proteins

    • D. 

      Nucleic acid

  • 3. 
    And inorganic acid dissociates in water into
    • A. 

      One or more hydroxide ions and one or more cations

    • B. 

      One or more hydrogen ions and one or more anions

    • C. 

      One or more hydroxide ions and one or more anions

    • D. 

      Cations and anions other hydroxide and hydrogen ions

  • 4. 
    An inorganic base dissociates in water into
    • A. 

      One or more hydrogen ions and one or more anions

    • B. 

      One or more hydroxide ions and one or more cations

    • C. 

      One or more hydrogen ions and one or more cations

    • D. 

      Cations and anions other than hydroxide and hydrogen ions

  • 5. 
    And organic salt associates in water into
    • A. 

      One or more hydrogen ions and one or more anions

    • B. 

      One or more hydroxide ions and one or more cations

    • C. 

      One or more hydroxide ions and one or more anions

    • D. 

      Cations and anions other than this hydroxide and hydrogen ions

  • 6. 
    In the presence of oxygen glucose is completely broken down into
    • A. 

      Water and oxygen

    • B. 

      Hydrogen and oxygen

    • C. 

      Carbon dioxide and oxygen

    • D. 

      Carbon dioxide and water

  • 7. 
     An atom of one element is distinguished from an Atom of another by the name of 
    • A. 

      Neutrons in the nucleus

    • B. 

      Electrons in the nucleus

    • C. 

      Protons in the nucleus

    • D. 

      Electrons orbiting the nucleus

  • 8. 
    The electron shell nearest to the electron holds a maximum of how many electrons
    • A. 

      1

    • B. 

      2

    • C. 

      8

    • D. 

      18

  • 9. 
    An atom of oxygen has 8 protons 8 electrons and 8 neutrons which of the following is the mass number of oxygen
    • A. 

      8 because it has 8 protons

    • B. 

      8 because it had 8 electrons

    • C. 

      8 because it has 8 neutrons

    • D. 

      16 because it has 8 protons and 8 electrons

  • 10. 
    An atom becomes a cation by
    • A. 

      Accepting electrons into its outermost electron shell

    • B. 

      Giving up electrons from its outermost electron shell

    • C. 

      Donating protons from another Adam

    • D. 

      Accepting protons from another atom

  • 11. 
    Anabolic reactions are
    • A. 

      Synthesis reactions

    • B. 

      Nuclear reactions

    • C. 

      Exchange reactions

    • D. 

      Decomposition reactions

  • 12. 
    Which of the following compounds is an acid
    • A. 

      H2CO3

    • B. 

      Ca2(PO4)2

    • C. 

      NaOH

    • D. 

      KCL

  • 13. 
    Denaturing of a protein always results in
    • A. 

      Loss of biological function

    • B. 

      Addition of a new amino acid to the molecule

    • C. 

      Destruction of the primary structure

    • D. 

      Stimulation of new protein synthesis

  • 14. 
    Water is a good solvent for ionic compounds because
    • A. 

      Water is a universal solvent

    • B. 

      Neutralizes the electrical differences

    • C. 

      Contributes electrons to the bonds between the atoms

    • D. 

      Contains polar covalent bonds which separate the ions by means of electrical attraction

  • 15. 
    The pH scale measures
    • A. 

      Total electrolyte concentration

    • B. 

      ATP levels

    • C. 

      Level of enzyme activity

    • D. 

      Hydrogen ion concentration

  • 16. 
    Carrier molecules within the cell membrane are required in order to transport a substance across a membrane via
    • A. 

      Osmosis

    • B. 

      Filtration

    • C. 

      Facilitated diffusion

    • D. 

      Simple diffusion

  • 17. 
    Solid particles are engolfed in to a vesicle brought inside a cell in
    • A. 

      Phagocytosis

    • B. 

      Exocytosis

    • C. 

      Pinocytosis

    • D. 

      Filtration

  • 18. 
    Solutes move down a concentration gradient in
    • A. 

      Primary active transport

    • B. 

      Secondary active transport

    • C. 

      Osmosis

    • D. 

      Facilitated diffusion

  • 19. 
    Cells that move sodium ions from the cytoplasm to the outside of the cell (where a odium concentration is higher) means sodium ions are moved out of cell by
    • A. 

      Simple diffusion

    • B. 

      Facilitated diffusion

    • C. 

      Osmosis

    • D. 

      Active transport

  • 20. 
    Pinocytosis is 
    • A. 

      A passive means of transporting materials across a membrane

    • B. 

      A mean by which cells move around

    • C. 

      Engulfment of liquid particles by cells

    • D. 

      A means by which cells can self destruct

  • 21. 
    The principal cation and extracellular fluid
    • A. 

      Na+

    • B. 

      K+

    • C. 

      Cl-

    • D. 

      Ca2+

  • 22. 
    An electrical gradient for membrane potential exist across a cell membrane because in most cells this inside surface of the membrane is
    • A. 

      More negatively charged in the outside surface

    • B. 

      More hydrophilic than outside surface

    • C. 

      More hydrophobic then the outside surface

    • D. 

      Richer and lipid molecules

  • 23. 
    The selective permeability of a cell membrane to different substances depends on all the following except
    • A. 

      Lipid solubility of a substance crossing the membrane

    • B. 

      Electrical charge of the molecule crossing the membrane

    • C. 

      Total number of phospholipids molecules in the membrane

    • D. 

      Site of the molecule crossing the membrane

  • 24. 
    Sodium A contains 5% NaCl dissolved in water. Solution B contains 10% NaCl dissolved in water which of the following best describes the relative concentrations
    • A. 

      Solution A is hypertonic to Solution B

    • B. 

      Solution B is hypertonic to Solution A

    • C. 

      Solution A & B are isotonic to each other

    • D. 

      There's no way knowing the relative osmotic pressure the solution

  • 25. 
    Red blood cell membranes are not normally permeable to NaCl and maintain an intracellular concentration of NaCl of 0.9%. If these cells are placed in a solution containing 9% NaCl what would happen?
    • A. 

      Nothing because the membrane is not permissible to an NaCl

    • B. 

      Water will enter the cell because the intracellular solution has a higher osmotic pressure

    • C. 

      The cell will undergo hemolysis due to membrane damage from the 9% NaCl solution

    • D. 

      The cell will undergo cremation because the extracellular solution has a higher osmotic pressure

  • 26. 
    When the sodium pump is used to drive the secondary active transport of a substance in the same direction that the sodium is moving the process is called
    • A. 

      Antiport (counter transport)

    • B. 

      Symport (co-transport)

    • C. 

      Endocytosis

    • D. 

      Exocytosis

  • 27. 
    In receptor mediated endocytosis the molecule that binds to the receptor is called
    • A. 

      Phagosome

    • B. 

      Symport

    • C. 

      Endosome

    • D. 

      Ligand

  • 28. 
    During endochondral bone formation the primary center of ossification forms in the
    • A. 

      Proximal epiphysis

    • B. 

      Distal epiphysis

    • C. 

      Epiphyseal plate

    • D. 

      Diaphysis

  • 29. 
    In endochondral bone formation the original pattern for the bone is made of
    • A. 

      Osseous tissue

    • B. 

      Keratin

    • C. 

      Elastic cartilage

    • D. 

      Hyaline cartilage

  • 30. 
    Name the cells that destroy bone matrix
    • A. 

      Osteoclasts

    • B. 

      Osteocytes

    • C. 

      Osteblasts

  • 31. 
    Match the following
    • A. Hematoma
    • A.
    • B. Parathyroid hormone
    • B.
    • C. Paget's disease
    • C.
    • D. Marrow cavity
    • D.
  • 32. 
    Match the following
    • A. Conventional x-ray
    • A.
    • B. Computer tomography
    • B.
    • C. Positron emission tomography (PET)
    • C.
    • D. Magnetic resonance imaging (MRI)
    • D.
    • E. Ultrasound
    • E.