Bio 102 Quiz #1

25 Questions | Attempts: 533
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Questions and Answers
  • 1. 
    A physician is concerned because a patient is showing signs of slowed nerve impulse transmission. This symptom is likely caused by damage to:
    • A. 

      Myelin Sheath

    • B. 

      Leukocytes

    • C. 

      Epithelial Cells

    • D. 

      Adipocytes

    • E. 

      Chondrocytes

  • 2. 
    Structure in the living world is organized into hierarchical levels. Which of the following lists these from the least inclusive to the most inclusive?
    • A. 

      Cell, Molecule, Organ, Organ System, Tissue and Organism

    • B. 

      Molecule, Cell, Tissue, Organ, Organ System and Organism

    • C. 

      Molecule, Cell, Organ, Organ System, Tissue and Organism

    • D. 

      Cell, Molecule, Tissue, Organ, Organ System and Organism

    • E. 

      Molecule, Cell, Tissue, Organ System, Organ and Organism

  • 3. 
    Blood vessels are lined by a single layer of flattened cells. Which type of cells line a blood vessel?
    • A. 

      Stratified Squamous

    • B. 

      Simple Cuboidal

    • C. 

      Simple Squamous

    • D. 

      Simple Columnar

    • E. 

      Pseudostratified Columnar

  • 4. 
    Humans promote homeostasis by:
    • A. 

      Adding clothes when they are cold

    • B. 

      Drinking water when they are dehydrated

    • C. 

      Urinating when their bladders are full

    • D. 

      Eating when their calories are low

    • E. 

      All of the above

  • 5. 
    Which of the following is formed from a matrix of collagen fibers embedded in a hard mineral substance?
    • A. 

      Blood

    • B. 

      Cartilage

    • C. 

      Bone

    • D. 

      Adipose Tissue

    • E. 

      Chondrocytes

  • 6. 
    Collagen and elastin are:
    • A. 

      Fibrous proteins secreted by fibroblasts

    • B. 

      Secreted by fibroblasts

    • C. 

      Enzymes

    • D. 

      Enzymes secreted by fibroblasts

    • E. 

      Fibrous muscle proteins

  • 7. 
    Which of the following organisms are not annelids?
    • A. 

      Flukes

    • B. 

      Leeches

    • C. 

      Earthworms

    • D. 

      Polychaetes

  • 8. 
    The cells lining the air sacs in the lungs makeup a:
    • A. 

      Simple Squamous Epithelium

    • B. 

      Stratified Squamous Epithelium

    • C. 

      Simple Columnar Epithelium

    • D. 

      Cuboidal Epithelium

    • E. 

      Pseudostratified Epithelium

  • 9. 
    Which of the following statements about organs is false?
    • A. 

      An organ represents a higher level of structure than the tissues composing it

    • B. 

      An organ consists of several tissues

    • C. 

      An organ can only carry out the functions of its component tissues

    • D. 

      An organ consists of many cells

    • E. 

      Organs are found in virtually all animals except sponges and some cnidarians

  • 10. 
    Which of the following lacks definite tissues and posseses asymmetrical or radial symmetry?
    • A. 

      Hydra

    • B. 

      Sponge

    • C. 

      Jellyfish

    • D. 

      Coral

  • 11. 
    Which systems control body functions?
    • A. 

      Endocrine and Exocrine systems

    • B. 

      Exocrine and Excretory systems

    • C. 

      Endocrine and the Nervous systems

    • D. 

      Circulatory and Respiratory systems

    • E. 

      Circulatory and Muscular

  • 12. 
    Which of the following organisms have a gastrovascular cavity?
    • A. 

      Hydra

    • B. 

      Earthworm

    • C. 

      Grasshopper

    • D. 

      Bird

  • 13. 
    Which is true of homeostasis?
    • A. 

      It is the maintenance of constant internal state

    • B. 

      Is results from hormone imbalance

    • C. 

      It is a pathological condition

    • D. 

      It is the way the internal environment influences the external environment

  • 14. 
    Connective tissue is different from the other major tissues in that:
    • A. 

      It is made of cells

    • B. 

      The cells are sparsely scattered through a non-living matrix

    • C. 

      It is not made of cells

    • D. 

      It has no essential function in an animal's body

    • E. 

      It is found only in humans

  • 15. 
    The most common type of connective tissue in the human body is:
    • A. 

      Fibrous Connective Tissue

    • B. 

      Adipose Tissue

    • C. 

      Loose Connective Tissue

    • D. 

      Bone

    • E. 

      Loose Adipose Tisue

  • 16. 
    Which is the most abundant kind of tissue in an animal, such as a gorilla?
    • A. 

      Connective

    • B. 

      Epithelial

    • C. 

      Blood

    • D. 

      Muscle

  • 17. 
    The germ layer of the mesoderm develops into:
    • A. 

      Skin

    • B. 

      Nervous System

    • C. 

      Liver

    • D. 

      Lungs

    • E. 

      Muscles

  • 18. 
    Which is a true statement of smooth muscle?
    • A. 

      Voluntary Body Activities

    • B. 

      The pumping action of the heart

    • C. 

      An athlete's ability to run a 100 meter dash

    • D. 

      Involuntary Body Activities

  • 19. 
    The structural and functional unit of nervous tissue is the:
    • A. 

      Dendrite

    • B. 

      Axon

    • C. 

      Neuron

    • D. 

      Nerve

    • E. 

      Collagen

  • 20. 
    The germ layer called the endoderm develops into:
    • A. 

      Skin

    • B. 

      Nervous System

    • C. 

      Liver

    • D. 

      Lungs

    • E. 

      Muscles

  • 21. 
    Our cells use Vitamin C to make collagen. People with too much Vitamin C have increased risk of small blood vessels rupturing. Which of the following is the best explanation for this observation?
    • A. 

      Collagen is the connective tissue in blood

    • B. 

      Collagen weakens the cells lining the blood vessels

    • C. 

      Collagen is in the connective tissue surrounding blood vessels

    • D. 

      Collagen causes blood vessels to become stiff and more likely to break

    • E. 

      Collagen inhibits blood clotting

  • 22. 
    Scleroderma is an auto-immune diesease in which repeated bouts of inflammation resuls in fibroblasts depositing collagen in the skin. Which of the following would be a symptom of Scleroderma?
    • A. 

      Increased blood flow to the skin

    • B. 

      Increased flexibility in the skin

    • C. 

      Changes in the skins cell type from squamous to columnar

    • D. 

      Changes in the skin cell type from columnar to squamous

    • E. 

      Less flexibility in the skin

  • 23. 
    The simple cuboidal cells found in the tubules would have which function?
    • A. 

      Allow exchange of substances by diffusion and osmosis

    • B. 

      Protect areas subject to abrasion

    • C. 

      Secrete and absorb substances

    • D. 

      Secrete hormones

    • E. 

      Secrete and propel mucous

  • 24. 
    Which of the following is true of Vitamin D and Folic Acid for humans?
    • A. 

      They cannot be synthesized enough to meet a person's demand

    • B. 

      They cannot be synthesized at all by the human body

    • C. 

      They must be consumed in the diet

    • D. 

      They are both used to regulate calcium uptake by the bones

    • E. 

      Enough can be synthesized by the body to meet a person's demand

  • 25. 
    When a blood clot beings to form, the enzyme Thrombin is formed. Thrombin then activates the enzymes that produce more Thrombin. This is an example.
    • A. 

      Negative Feedback

    • B. 

      Positive Feedback

    • C. 

      Endocrine Feedback

    • D. 

      Nervous Feedback

    • E. 

      Hormonal Feedback

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