Lembar kerja Biologi untuk ujian masuk keperawatan dengan jawaban

Dalam suatu percobaan, apa itu variabel terikat?

1. AFaktor apa pun yang dijaga tetap konstan
2. BFaktor yang sengaja diubah oleh peneliti
3. CFaktor yang diukur untuk melihat pengaruhnya
4. DHipotesis yang sedang diuji

Which piece of equipment gives the most precise measurement of a liquid volume?

1. AA graduated cylinder
2. BA Petri dish
3. CA beaker
4. DA test tube

What is an inference?

1. AA measurement taken with a calibrated instrument in a laboratory
2. BA variable that the scientist changes on purpose
3. CA list of the materials used in an experiment
4. DA conclusion reached from observations and prior knowledge

When most people in a community are vaccinated, people who cannot be vaccinated are also protected. Why?

1. AThe vaccine spreads from person to person
2. BThe pathogen mutates into a harmless form
3. CVaccinated people make antibodies for others
4. DThe pathogen has too few hosts to spread easily

Mengapa ilmuwan mengulang percobaan atau memakai banyak subjek?

1. AUntuk mengubah variabel bebas setiap kali
2. BUntuk mengurangi pengaruh kebetulan pada hasil
3. CAgar tidak memerlukan kelompok kontrol
4. DUntuk memastikan hipotesis terbukti benar

Many vitamins act as coenzymes. What does this mean?

1. AThey help enzymes carry out their reactions
2. BThey are built into the cell membrane
3. CThey are digested to release large amounts of energy
4. DThey replace enzymes that have been denatured

Sebuah sel darah merah ditempatkan dalam larutan dengan konsentrasi zat terlarut yang sama dengan sitoplasmanya. Apa yang terjadi?

1. ASel membengkak dan pecah
2. BTidak ada perpindahan air bersih; sel mempertahankan bentuknya
3. CSel mengkerut karena air keluar
4. DMolekul air berhenti melintasi membran ke kedua arah

A nurse notices that patients who used a new mouthwash had few mouth infections. No other patients were studied. What is most needed before concluding that the mouthwash works?

1. AA survey asking patients if they liked it
2. BA comparable group that does not use the mouthwash
3. CA larger bottle of the same mouthwash for each patient
4. DA longer explanation in the report