ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

Which kind of organism causes malaria?

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

Which protein carries oxygen in red blood cells?

1. AHaemoglobin
2. BCollagen
3. CInsulin
4. DKeratin

What does it mean that a cell membrane is selectively permeable?

1. AIt lets every substance cross freely in both directions
2. BIt lets only water molecules cross
3. CIt lets no substance cross at all
4. DIt lets some substances cross but not others

لماذا تصطبغ البكتيريا موجبة الغرام باللون البنفسجي في صبغة غرام؟

1. Aتحتوي على اليخضور
2. Bجدارها الرقيق مغطى بغشاء خارجي غني بالدهون
3. Cيحتفظ جدارها السميك من الببتيدوغليكان بالصبغة البنفسجية
4. Dليس لها جدار خلوي على الإطلاق

What happens to an enzyme after it has catalysed a reaction?

1. AIt is released unchanged and can be used again
2. BIt changes into the substrate
3. CIt is broken down into amino acids
4. DIt becomes part of the product and leaves with it

A patient's heart rate is measured four times: 70, 72, 74 and 80 beats per minute. What is the mean?

1. A74 beats per minute
2. B73 beats per minute
3. C80 beats per minute
4. D72 beats per minute

الهيموفيليا صفة متنحية مرتبطة بالصبغي X. أمّ حاملة (XᴴXʰ) وأب سليم (XᴴY) لديهما ابن. ما احتمال إصابته بالهيموفيليا؟

1. A1/4
2. B1
3. C0
4. D1/2

A restriction enzyme cuts at three sites in a linear piece of DNA. How many fragments are produced?

1. A3
2. B6
3. C2
4. D4