ورقة عمل الأحياء لامتحانات القبول في التمريض مع الإجابات

أي الخلايا تنتج عن الانقسام الاختزالي (الميوزي) عند الإنسان؟

1. Aخلايا الجلد
2. Bخلايا الكبد
3. Cخلايا الدم الحمراء في نقي العظم
4. Dالبويضات والحيوانات المنوية

ما الغرض من المجموعة الضابطة؟

1. Aالاستغناء عن الحاجة إلى فرضية
2. Bتلقّي أكبر جرعة ممكنة من المعالجة قيد الاختبار
3. Cتوفير خط أساس للمقارنة مع المجموعة المعالَجة
4. Dجعل التجربة تنتهي أسرع

What are the bacteria called that normally live on the skin and in the gut without causing disease?

1. APathogens
2. BNormal flora
3. CPrions
4. DVectors

When plotting the results of an experiment, which variable usually goes on the y-axis?

1. AThe controlled variable
2. BThe dependent variable
3. CThe time the experiment started
4. DThe independent variable

An organism is multicellular, makes its own food by photosynthesis and has cell walls of cellulose. Which kingdom does it belong to?

1. AFungi
2. BPlants
3. CAnimals
4. DBacteria

A bone marrow transplant can treat some blood cancers. Why does it work?

1. AThe donor red cells divide to make more red cells
2. BThe donor stem cells produce new, healthy blood cells
3. CThe transplant replaces the patient's bones
4. DThe donor marrow contains antibiotics that kill cancer

A pesticide that is not broken down is sprayed on crops. Later, hawks at the top of the food chain have much higher levels of it than the insects. Why?

1. AHawks eat the crops directly, so they take in the most pesticide of all
2. BHawks make the pesticide in their own bodies
3. CEach predator eats many prey, so the pesticide builds up at each level
4. DThe pesticide is broken down faster in insects than in plants

A scientist wants to show that a particular microbe causes a disease. According to Koch's postulates, which step is needed?

1. AThe microbe must be found in healthy hosts just as often as in sick hosts
2. BThe microbe grown from a sick host must cause the disease in a healthy host
3. CThe microbe must be seen in the blood under a light microscope
4. DThe disease must be treated successfully with antibiotics