Bio 208 Exam I

33 Questions | Total Attempts: 112

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Bio 208 Exam I - Quiz

Questions and Answers
  • 1. 
    Each of the following are types of multicellular membranes EXCEPT
    • A. 

      Synovial

    • B. 

      Lymphoidal

    • C. 

      Cutaneous

    • D. 

      Mucous

    • E. 

      Serous

  • 2. 
    Each of the following are characteristics of collagen EXCEPT
    • A. 

      Bundles of fibrous proteins bound together like a rope

    • B. 

      Strong when pulled from ends

    • C. 

      Branched, wavy, great recoil

    • D. 

      Number and arrangement give strength

    • E. 

      Flexible

  • 3. 
    Each of the following are cell types in connective tissue EXCEPT
    • A. 

      Muscle cells

    • B. 

      Mast cells

    • C. 

      Mesenchymal cells

    • D. 

      Microphages

    • E. 

      Melanocytes

  • 4. 
    A type of intercellular connection in which the outermost lipid portions of the two cell membranes is fused is termed a(n)
    • A. 

      Gap junction

    • B. 

      Desmosome

    • C. 

      Intermediate junction

    • D. 

      Tight junction

    • E. 

      None of the above

  • 5. 
    Examples of fibrous connective tissue includes 
    • A. 

      Salivary gland

    • B. 

      Ligaments

    • C. 

      Respiratory passages

    • D. 

      Tendons

    • E. 

      Both B and D

  • 6. 
    A transitional epithelium would be found
    • A. 

      Lining the ducts that drain sweat glands

    • B. 

      Lining the urinary bladder

    • C. 

      At the surface of the skin

    • D. 

      Lining blood vesicles

    • E. 

      Lining the stomach

  • 7. 
    Which statement below is true about the inside relative to the outside of the cell
    • A. 

      Lower [dissolved proteins] inside

    • B. 

      Lower [K+] inside

    • C. 

      Lower [Na+] inside

    • D. 

      Lower [sugars] inside

    • E. 

      Lower [free amino acids] inside

  • 8. 
    What would happen to Volume B if you separated two equal volumes of water by a normal window screen, and then added table sugar to Volume A a week before?
    • A. 

      Side A would have more sugar and less water than Side B

    • B. 

      Side B would have more sugar and less water than Side A

    • C. 

      Side A would have less sugar and less water than Side B

    • D. 

      Both sides would have same amount of sugar and water

    • E. 

      Both sides would have the same amount of water but Side A more sugar

  • 9. 
    From the choices below, identify the smallest living functional unit
    • A. 

      An animal

    • B. 

      A cell

    • C. 

      A membrane

    • D. 

      An ion channel

    • E. 

      An enzyme

  • 10. 
    Which of the following sequences is true?
    • A. 

      DNA-mRNA-tRNA-protein

    • B. 

      DNA-tRNA-mRNA-protein

    • C. 

      DNA-tRNA-mRNA-protein

    • D. 

      DNA-tRNA-mRNA-protein

    • E. 

      None of the above

  • 11. 
    Which of the following is NOT a function of the cell membrane
    • A. 

      Structural support

    • B. 

      Sensitivity to changes in the extracellular fluid

    • C. 

      Controlling movements into the nucleus

    • D. 

      Separation of the cytoplasm from the extracellular solution

    • E. 

      Regulation of exchange of materials with the environment

  • 12. 
    When Na+ is moved across the cell membrane against the concentration gradient
    • A. 

      Osmosis occurs

    • B. 

      Cellular ATP is used

    • C. 

      Diffusion occurs

    • D. 

      Vesicles are transported

    • E. 

      Both A and C occurs

  • 13. 
    Enzymes __________
    • A. 

      Always raise the energy of activation

    • B. 

      Always have only one active site

    • C. 

      Are deactivated and NOT activated

    • D. 

      Have specific optimal ranges

    • E. 

      Are activated and NOT deactivated

  • 14. 
    Of the choices below the LEAST common element that makes up proteins is
    • A. 

      O

    • B. 

      H

    • C. 

      P

    • D. 

      S

    • E. 

      N

  • 15. 
    If a substances has a pH that is less than 7, it is
    • A. 

      Acidic

    • B. 

      Basic

    • C. 

      Alkaline

    • D. 

      Buffered

    • E. 

      Both B and C are correct

  • 16. 
    A fatty acid that contains three double covalent bonds in its carbon chain is a 
    • A. 

      Carboxylated

    • B. 

      Monounsaturated

    • C. 

      Hydrogenated

    • D. 

      Saturated

    • E. 

      Polyunsaturated

  • 17. 
    Ions with a negative charge are called
    • A. 

      An anion

    • B. 

      Polyatomic ions

    • C. 

      A cation

    • D. 

      A radioisotope

    • E. 

      A radical

  • 18. 
    The group of organic compounds containing carbon, hydrogen, and oxygen in a near 1:2:1 ratio is defined as a
    • A. 

      Protein

    • B. 

      Lipid (but not steroidal)

    • C. 

      Protein

    • D. 

      Carbohydrate

    • E. 

      None of the above

  • 19. 
    Which description below best describes all homeostatic processes
    • A. 

      Baseline values do not change over time

    • B. 

      Negative feedback is essential

    • C. 

      Positive feedback is essential

    • D. 

      Baseline values are uncontrolled

    • E. 

      Homeostasis is not autoregulated

  • 20. 
    Which three components underlie how homeostasis works
    • A. 

      Receptor, effector, motor

    • B. 

      Motor, control center, feedback

    • C. 

      Effector, control receptor

    • D. 

      Feedback, effector, receptor

    • E. 

      Control center, motor, feedback

  • 21. 
    In dealing with physiology, function is related to its
    • A. 

      Cavity

    • B. 

      Size

    • C. 

      Location

    • D. 

      Structure

    • E. 

      System

  • 22. 
    The shaft of a long bone is most closely associated with the
    • A. 

      Epiphysis

    • B. 

      Diaphysis

    • C. 

      Periosteum

    • D. 

      Endochondrial

    • E. 

      Appositional

  • 23. 
    ______ decreases the concentration of calcium in the blood
    • A. 

      Calcitonin

    • B. 

      Calcitriol

    • C. 

      Parathyroid hormone

    • D. 

      Vitamin D

    • E. 

      Both B and D are correct

  • 24. 
    Appositional growth in bones is most closely related to growth in
    • A. 

      Bone length

    • B. 

      Osteoclasts

    • C. 

      Epiphyseal conversion

    • D. 

      Bone diameter

    • E. 

      Bone turnover

  • 25. 
    Large, multinucleated cells that can dissolve the bony matrix are termed
    • A. 

      Osteocytes

    • B. 

      Osteoclasts

    • C. 

      Osteoblasts

    • D. 

      Stem cells

    • E. 

      Chondrocytes

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