The heart has four chambers. The two upper chambers are called atria, and the two lower chambers are called ventricles. What are the two lower chambers called?
- AAtria
- BVentricles
- CCoronary arteries
- DValves
The heart has four chambers. The two upper chambers are called atria, and the two lower chambers are called ventricles. What are the two lower chambers called?
The table of contents of a first-aid book lists: Chapter 1 Cuts and Scrapes, page 3; Chapter 2 Burns, page 15; Chapter 3 Broken Bones, page 27; Chapter 4 Choking, page 40. On which page does the chapter about burns begin?
A label on a jar of jam reads: “Once opened, keep in the fridge and use within 4 weeks.” Where should the jam be kept after opening?
“Tara volunteered to stay late, helped a new colleague with her first report and never complained about the extra work.” Which word best describes Tara?
In the 1840s, the doctor Ignaz Semmelweis noticed that many mothers died after childbirth in wards where doctors came straight from performing autopsies. When he required doctors to wash their hands in a chlorine solution, the death rate dropped sharply. What does the passage suggest?
Florence Nightingale collected data on deaths among soldiers in the Crimean War. She showed in clear diagrams that more soldiers died from disease than from battle wounds, and she used this evidence to persuade the government to improve hospital sanitation. What was Nightingale’s main goal in collecting the data?
“The marathon was a test of will as much as of strength. By mile 20, Ana’s legs burned, but she pictured her mother waiting at the finish line and kept going.” What does the phrase “a test of will” mean here?
“The new treatment is promising,” the researcher said, “but our trial included only 40 patients, all of them under 50. We cannot yet say whether it works for older adults.” What can you infer about the researcher’s view?
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