Робочий аркуш «Біологія для вступних іспитів на медсестринство» з відповідями

Which protein gives strength to skin, tendons and bone?

1. AMyosin
2. BAmylase
3. CCollagen
4. DHaemoglobin

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

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

What are round (spherical) bacteria called?

1. ASpirilla
2. BVibrios
3. CBacilli
4. DCocci

In a food chain, which organisms are the producers?

1. APredators at the top of the chain
2. BFungi that break down dead material
3. CPlants and algae that make food by photosynthesis
4. DAnimals that eat only plants, such as rabbits and deer

What is an inversion mutation?

1. AA segment of a chromosome is lost completely
2. BA chromosome segment breaks off and is reattached the wrong way round
3. CA whole extra chromosome is added to the cell
4. DA segment of a chromosome moves to a different, non-matching chromosome

A woman with blood type O has a child with a man of type AB. Which blood types can their children have?

1. AA, B, AB or O
2. BO or AB
3. CA or B
4. DO only

A patient breathes very slowly, so carbon dioxide builds up in the blood. What happens to the blood pH, and why?

1. AIt falls, because CO₂ forms carbonic acid in the blood
2. BIt stays the same, because CO₂ does not dissolve in blood
3. CIt rises, because CO₂ is a base
4. DIt rises, because CO₂ removes hydrogen ions

A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?

1. AThe patient's A antigens dissolve the donor's haemoglobin
2. BAnti-B antibodies in the patient's plasma attack the donor cells
3. CThe donor's B antigens destroy the patient's white blood cells
4. DAnti-A antibodies on the donor cells attack the patient's plasma