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

Яка основна структура клітинної мембрани?

1. AЄдиний шар молекул крохмалю
2. BЖорсткий шар целюлозних волокон і лігніну
3. CТовста стінка з пептидоглікану
4. DФосфоліпідний бішар із вбудованими білками

What is the single most important way to prevent the spread of infection in hospitals?

1. AWearing a hair net
2. BGiving every patient antibiotics
3. COpening the windows
4. DHand hygiene

What is the main material in the cell wall of bacteria?

1. AKeratin
2. BChitin
3. CPeptidoglycan
4. DCellulose

A tablet contains 2,5 g of a substance. How many milligrams is this?

1. A25 mg
2. B0,0025 mg
3. C250 mg
4. D2500 mg

Why can small nonpolar molecules cross the cell membrane easily while ions cannot?

1. AThe membrane is made mostly of long carbohydrate chains
2. BIons are larger than most membrane proteins
3. CThe bilayer's core is made of hydrophobic tails
4. DThe membrane carries a strong positive charge

Which statement about identical and non-identical twins is correct?

1. AIdentical twins come from two eggs that are fertilised by a single sperm
2. BIdentical twins come from one zygote; non-identical twins come from two
3. CNon-identical twins come from one zygote that splits in two
4. DBoth kinds of twin always share all of their genes

A single-celled organism has a nucleus, no cell wall and swims using cilia. In which group is it best placed?

1. APlants
2. BBacteria
3. CProtists
4. DFungi

A patient is given a large volume of hypotonic IV fluid too quickly. What is the most likely effect on the patient's cells?

1. ASalt moves into the cells, and they burst
2. BWater moves out of the cells, and they shrink
3. CWater moves into the cells, and they swell
4. DNothing changes, because cells are not affected by IV fluid