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The First Line of Defence

Ablazej P 11 preguntas 5,0 (1 valoración)

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Preguntas del test (11)

  1. 1[blank_start]Keratinised[blank_end] Cells are the strong, outermost layer of skin cells in the [blank_start]epidermis[blank_end].
    They stop pathogens from getting into the body through the skin and get replaced often by new cells.
    1. AKeratinised
    2. BHardened
    3. CEpithelial
    4. DCytoplasmic
    5. EKeronised
    6. Fepidermis
    7. Gepithelium
    8. Hdermis
    9. Ideeper tissues
  2. 2In a [blank_start]Keratinocyte[blank_end] Cell, the [blank_start]Cytoplasm[blank_end] hardens to become [blank_start]Keratin[blank_end]. We now call this the Keratinised Cell.
    1. AKeratinocyte
    2. BCytoplasm
    3. CKeratin
    4. DKerocyte
    5. ETherocyte
    6. FPlasma
    7. GCell membrane
    8. HFribrinogen
  3. 3When the skin is damaged, pathogens find it easier to get in.
    The body needs a fast way to repair, forming blood clots and scabs.
    1. AVerdadero
    2. BFalso
  4. 4When damaged cells and torn capillaries are exposed to [blank_start]air[blank_end], they release enzymes like [blank_start]thrombin[blank_end] to signal to the protein [blank_start]fibrinogen[blank_end] to enter the broken tissue.
    1. Aair
    2. Bwater
    3. Cthrombin
    4. Dglucose
    5. Elipase
    6. Ffibrinogen
    7. Gfibrin
    8. Hkeratin
  5. 5If enough clotting agent is present, the protein [blank_start]fibrinogen[blank_end] becomes [blank_start]fibrin[blank_end] that allows red blood cells to be "tied up" and trapped, forming a clot. The clot dries, becoming a protective scab until the skin cells can regrow.
    1. Afibrinogen
    2. Bfibrin
  6. 6Some parts of the body are unfortunately more open to pathogens. One of these areas is the eye.
    Luckily, the eye has ways of getting rid of foreign bodies.
    First, [blank_start]eyelashes[blank_end] capture the pathogen, and then an enzyme called [blank_start]lysozyme[blank_end], found in tears, destroys it.
    1. Alysozyme
    2. Beyelashes
  7. 7The respiratory system, leading to the [blank_start]lungs[blank_end] is another part of the body that needs a lot of protection thanks to the open spots of the [blank_start]mouth[blank_end] and nose.
    1. Alungs
    2. Bmouth
    3. Cbrain
    4. Dheart
    5. Eeye
  8. 8Two types of cells protect the respiratory system.
    [blank_start]Goblet[blank_end] cells release sticky mucus from their vacuoles. They carry [blank_start]mucin[blank_end] proteins that become mucus upon excretion.
    [blank_start]Ciliated Epithelial[blank_end] Cells are covered in many [blank_start]cilia[blank_end] (tiny, hair-like structures) that beat back and forth to remove mucus from the respiratory tract.
    1. AGoblet
    2. BCiliated Epithelial
    3. CCilia
    4. DMucin
    5. EEpithelia
    6. FMucusin
  9. 9What is the role of the mucus? (Tick AT LEAST ONE option)
    1. ATo trap pathogens and then carry them to the lungs.
    2. BTo trap pathogens so that they can be sneezed or coughed out of the system.
    3. CTo trap pathogens and then carry them to the stomach for digestion.
    4. DTo excrete enzymes that break down pathogens.
  10. 10Stomach (Gastric) Acid Contains:
    1. AHydrochloric Acid
    2. BCitric Acid
    3. CSodium Chloride
    4. DVarious Enzymes
    5. EPotassium Chloride
    6. FEthanoic Acid
    7. GVanadium Chloride

Información

Descripción
GCSE (Health & Medicine) Biology Test sobre The First Line of Defence, creado por Ablazej P el 05/02/2018.
Idioma
English
Visitas
432
Valoración
5,0 de 5 · 1 valoración
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