ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

What does homozygous mean?

1. AHaving two different alleles for a gene
2. BHaving an extra chromosome
3. CHaving only one copy of a gene
4. DHaving two identical alleles for a gene

What is apoptosis?

1. ADivision of the cytoplasm
2. BProgrammed cell death
3. CFusion of two gametes
4. DUncontrolled cell division

ما الوظيفة الرئيسة لجهاز غولجي؟

1. Aنسخ DNA قبل انقسام الخلية
2. Bإنتاج ATP بالتنفس الخلوي
3. Cتعديل البروتينات وتعبئتها
4. Dالتحكم في الجينات التي يتم تشغيلها

How does cytokinesis differ between animal cells and plant cells?

1. AAnimal cells pinch in with a furrow; plant cells build a cell plate
2. BAnimal cells build a cell plate; plant cells pinch in with a furrow
3. COnly plant cells carry out cytokinesis
4. DOnly animal cells carry out cytokinesis

Sickle cell disease is caused by a single base change that replaces one amino acid in haemoglobin. What type of mutation is this?

1. AA silent mutation
2. BA frameshift mutation
3. CA nonsense mutation
4. DA missense mutation

A patient's blood type is B positive. What does this mean?

1. ATheir red cells carry the A antigen and no RhD antigen
2. BTheir plasma contains anti-B antibodies
3. CTheir red cells carry the B antigen and the RhD antigen
4. DTheir red cells carry no antigens at all

A patient with type A blood is given type B red blood cells by mistake. What is the cause of the reaction that follows?

1. AAnti-B antibodies in the patient's plasma attack the donor cells
2. BThe donor's B antigens destroy the patient's white blood cells
3. CThe patient's A antigens dissolve the donor's haemoglobin
4. DAnti-A antibodies on the donor cells attack the patient's plasma

The lion is Panthera leo, the tiger is Panthera tigris and the house cat is Felis catus. Which two are most closely related?

1. AThe lion and the tiger
2. BThe lion and the house cat
3. CThe tiger and the house cat
4. DAll three are equally related