Biologia na egzaminy wstępne na pielęgniarstwo: karta pracy z odpowiedziami

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Imię: ____________________   Data: ____________

1.Łatwy

What is an antigen?

  1. AA white blood cell that engulfs and digests bacteria
  2. BA molecule that the immune system sees as foreign
  3. CA drug that kills viruses
  4. DA protein that carries oxygen
2.Łatwy

Which type of microscope is needed to see a virus?

  1. AA dissecting microscope
  2. BAn electron microscope
  3. CA magnifying glass
  4. DA light microscope
3.Łatwy

Which molecules, made by immune cells, bind to specific antigens?

  1. APhospholipids
  2. BHormones
  3. CAntibodies
  4. DEnzymes
4.Średni

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

  1. AOsmosis
  2. BEndocytosis
  3. CPhagocytosis
  4. DExocytosis
5.Średni

Why must human gametes be haploid?

  1. ASo that the gametes can make more proteins
  2. BSo that the gametes can divide quickly by mitosis
  3. CSo that the zygote has the normal number of 46 chromosomes
  4. DSo that the zygote has twice the normal number of chromosomes
6.Średni

A student switches a light microscope from low power to high power. What happens to the field of view?

  1. AIt gets larger and brighter
  2. BIt stays the same size but gets brighter
  3. CIt gets smaller and usually darker
  4. DIt gets larger but less detailed
7.Trudny

Some chemotherapy drugs stop spindle fibres from forming. Why do they often cause hair loss and damage to the gut lining?

  1. AThese tissues are made only of haploid cells
  2. BThese tissues also contain rapidly dividing cells
  3. CThese cells divide by meiosis instead of mitosis
  4. DThese cells have no mitochondria
8.Trudny

An Rh-negative mother gives birth to an Rh-positive baby. Why could a later Rh-positive pregnancy be at risk?

  1. AHer red cells may become Rh positive after the birth
  2. BThe second baby will be unable to make any red cells
  3. CShe may have made anti-D antibodies that cross the placenta
  4. DThe first baby's antibodies remain in her blood and attack her

Klucz odpowiedzi

  1. 1. B · A molecule that the immune system sees as foreign
  2. 2. B · An electron microscope
  3. 3. C · Antibodies
  4. 4. D · Exocytosis
  5. 5. C · So that the zygote has the normal number of 46 chromosomes
  6. 6. C · It gets smaller and usually darker
  7. 7. B · These tissues also contain rapidly dividing cells
  8. 8. C · She may have made anti-D antibodies that cross the placenta

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