정답이 있는 간호학 입학 시험 대비 화학 학습지

What is the SI unit of energy?

1. ANewton
2. BWatt
3. CKelvin
4. DJoule

DNA belongs to which group of biological molecules?

1. ACarbohydrates
2. BProteins
3. CLipids
4. DNucleic acids

Which method separates two liquids with different boiling points, such as alcohol and water?

1. ASieving
2. BUsing a magnet
3. CFiltration
4. DDistillation

What is the normal boiling point of a liquid?

1. AThe temperature at which its vapour pressure equals 1 atmosphere
2. BThe temperature at which it first starts to evaporate
3. CThe temperature at which its density is greatest
4. DThe temperature at which its particles stop moving

염화 이온의 전하는 얼마인가요?

1. A−1
2. B+7
3. C−2
4. D+1

기체 분자 운동론에 따르면 온도는 무엇을 나타내나요?

1. A입자의 총수
2. B각 입자의 질량
3. C용기의 크기
4. D입자의 평균 운동 에너지

Half-normal saline (0.45% NaCl) is compared with blood plasma, which has about the same concentration as 0.9% NaCl. How is 0.45% NaCl described, and what happens to red blood cells placed in it?

1. AHypotonic; water tends to move into the cells, which swell
2. BHypertonic; water tends to move out of the cells, which shrink
3. CIsotonic; water moves equally in and out, so the cells keep their shape
4. DHypertonic; salt moves into the cells, which then swell

A patient's temperature is 104 °F. What is it in degrees Celsius?

1. A40 °C
2. B58 °C
3. C72 °C
4. D43 °C