Biology: Science for Life with Physiology 5th Edition by Colleen Belk Test bank
Answer: C
Section: 1.2
Skill: Analysis (Analyze)
Learning Outcome: 1.7
76) According to the graph, how did the results of the control group compare to the results of the experimental group?
A) There was no difference between the results from both groups.
B) Echinacea tea was more effective for the experimental group.
C) Placebo tea was more effective for the control group.
D) Echinacea tea was more effective for the control group.
Answer: B
Section: 1.2
Skill: Analysis (Analyze)
Learning Outcome: 1.5
77) According to the graph, how did the number of days with cold symptoms compare for people taking placebo and zinc lozenges?
A) People taking the placebo had cold symptoms for three more days than people taking the zinc lozenges.
B) People taking the placebo had cold symptoms for seven more days than people taking the zinc lozenges.
C) People taking the zinc lozenges had cold symptoms for three more days than people taking the placebo.
D) People taking the zinc lozenges had cold symptoms for seven more days than people taking the placebo.
Answer: A
Section: 1.2, 1.3
Skill: Analysis (Analyze)
Learning Outcome: 1.5, 1.8
78) How did Barry Marshall test the hypothesis that H. pylori causes stomach ulcers?
A) He surveyed people with stomach ulcers about the acidity of their food.
B) He ingested live H. pylori and developed acute stomach pain.
C) He interviewed physicians who performed surgeries on ulcer patients.
D) He fed spicy foods to laboratory rats to eliminate an alternate hypothesis.
Answer: B
Section: 1.1
Skill: Application (Apply)
Learning Outcome: 1.1
79) In which situation might observations be used to test a hypothesis rather than a laboratory experiment?
A) to test the effects of caffeine on the behavior of adolescent males and females
B) to test the relationship between dinosaur fossils found in Canada and the United States
C) to test how antioxidants in vitamins will affect skin cancer cells in college students
D) to test the ability of Alzheimer's patients to identify the smell of specific odors
Answer: B
Section: 1.2
Skill: Application (Apply)
Learning Outcome: 1.5