ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

في المنهج العلمي، ما الفرضية؟

1. Aقائمة بالقياسات المأخوذة
2. Bاستنتاج ثبتت صحته
3. Cتفسير أو توقّع قابل للاختبار
4. Dتفسير واسع تدعمه تجارب كثيرة

What is an antigen?

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

What is an organism's genotype?

1. AThe number of cells in its body
2. BThe environment in which it lives
3. CThe alleles it carries for a trait
4. DThe traits that can be seen or measured

بِمَ يختلف الانتشار المُيسَّر عن الانتشار البسيط؟

1. Aيستخدم ATP لنقل الجزيئات صعودًا
2. Bلا ينقل سوى الغازات مثل الأكسجين
3. Cيستخدم بروتينات قنوية أو ناقلة لكن دون ATP
4. Dينقل الجزيئات عكس تدرجها بمضخة وATP

What causes cohesion between water molecules?

1. AIonic bonds between oxygen atoms
2. BHydrogen bonds between neighbouring molecules
3. CCovalent bonds between neighbouring molecules
4. DMagnetic forces between hydrogen atoms

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

1. AO or AB
2. BA, B, AB or O
3. CA or B
4. DO only

Potato cylinders are placed in sugar solutions of different strengths. They gain mass in weak solutions, lose mass in strong ones and show no change at 0,3 mol/L. What can be concluded?

1. ASugar enters the cells only by active transport, not by diffusion
2. BThe potato cells have a solute concentration of about 0,3 mol/L
3. CThe potato cells contain no water at all
4. DPotato cells are always hypertonic to sugar solutions

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA longer explanation in the report
2. BA survey asking patients if they liked it
3. CA comparable group that does not use the mouthwash
4. DA larger bottle of the same mouthwash for each patient