ใบงาน ชีววิทยาสำหรับข้อสอบเข้าพยาบาล พร้อมเฉลย

What does gel electrophoresis separate?

1. ACells by their shape
2. BDNA fragments by size
3. CBlood into plasma and cells
4. DChromosomes by their colour

How many micrometres (µm) are in one millimetre?

1. A1000
2. B10
3. C1 000 000
4. D100

What is an organism's genotype?

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

การแพร่แบบมีตัวช่วย (facilitated diffusion) ต่างจากการแพร่ธรรมดาอย่างไร

1. Aใช้โปรตีนช่องหรือโปรตีนตัวพา แต่ไม่ใช้ ATP
2. Bเคลื่อนเฉพาะแก๊ส เช่น ออกซิเจน
3. Cเคลื่อนโมเลกุลทวนระดับความเข้มข้นโดยใช้ปั๊มและ ATP
4. Dใช้ ATP เคลื่อนโมเลกุลขึ้นที่สูง

Which process removes carbon dioxide from the atmosphere?

1. APhotosynthesis
2. BDecomposition
3. CBurning fossil fuels
4. DCellular respiration

Nerve cells release chemical messengers (neurotransmitters) stored in vesicles. By which process are they released?

1. AOsmosis
2. BPhagocytosis
3. CExocytosis
4. DEndocytosis

Home pregnancy tests use antibodies that bind the hormone hCG. Why do they react with hCG and not with other proteins in urine?

1. AUrine contains no other proteins at all
2. BThe hormone hCG is a type of antibody itself
3. CEach antibody binds a specific antigen shape
4. DAntibodies bind every protein but change colour only with hCG

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 into the cells, and they swell
4. DWater moves out of the cells, and they shrink