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

Which kind of organism causes malaria?

1. AA fungus that grows on skin
2. BA bacterium carried in water
3. CA virus spread by coughing
4. DA protist carried by mosquitoes

What does xylem carry in a plant?

1. AOxygen from the leaves to the roots
2. BWater and minerals from the roots upward
3. CSugars from the leaves to the roots
4. DSeeds from the flowers to the soil

What is cell differentiation?

1. AThe process by which DNA is copied
2. BThe process by which cells become specialised
3. CThe process by which cells die on purpose
4. DThe process by which a cell divides into two

Which statement best describes biological evolution?

1. AMovement of animals to a new habitat each year
2. BChange in the body of one organism during its lifetime
3. CGrowth of an organism from a single zygote to a fully grown adult
4. DChange in the inherited traits of a population over generations

What is a prion?

1. AA fungal spore that infects the brain
2. BA misfolded protein that causes normal proteins to misfold
3. CA very small virus with a DNA genome
4. DA bacterium without a cell wall that lives inside nerve cells

What does RNA polymerase do?

1. AIt builds a protein from an mRNA template
2. BIt removes introns from pre-mRNA
3. CIt copies the whole genome before cell division
4. DIt builds an RNA strand from a DNA template

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. BShe may have made anti-D antibodies that cross the placenta
3. CThe first baby's antibodies remain in her blood and attack her
4. DThe second baby will be unable to make any red cells

When caring for a patient with C. difficile infection, why is hand washing with soap and water preferred over alcohol hand rub?

1. AAlcohol makes the spores more infectious
2. BSoap kills the spores, but alcohol only kills viruses and not bacteria
3. CAlcohol does not kill its spores, but washing removes them
4. DSoap and water are faster than alcohol rub