ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

كم عدد الصبغيات في خلية جسدية بشرية نموذجية؟

1. A23
2. B44
3. C92
4. D46

What is an organism's genome?

1. AA single gene on one chromosome
2. BThe proteins made by one cell
3. CAll of its genetic material
4. DThe traits that can be seen

What are round (spherical) bacteria called?

1. ACocci
2. BBacilli
3. CSpirilla
4. DVibrios

Why is DNA replication called semiconservative?

1. AEach new DNA molecule has one old strand and one new strand
2. BOnly half of the DNA is copied each time
3. CThe old DNA molecule is kept whole, and a completely new one is made
4. DEach new strand is a random mix of old and new pieces

Why is water good at dissolving salts and sugars?

1. AIts molecules are polar
2. BIts molecules are nonpolar
3. CIt contains carbon atoms
4. DIt has a very low boiling point

Which process removes carbon dioxide from the atmosphere?

1. ADecomposition
2. BPhotosynthesis
3. CCellular respiration
4. DBurning fossil fuels

A pondweed plant is placed in water, and a lamp is moved closer to it. The plant gives off more bubbles per minute. What is the best conclusion?

1. AThe bubbles are oxygen, and the lamp heats the water until it boils
2. BThe bubbles are nitrogen, and light breaks down the plant cells
3. CThe bubbles are carbon dioxide, and respiration speeds up with more light
4. DThe bubbles are oxygen, and photosynthesis speeds up with more light

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. BNothing changes, because cells are not affected by IV fluid
3. CWater moves out of the cells, and they shrink
4. DWater moves into the cells, and they swell