Cumulative Exam — Cumulative exam Answers

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21
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Which would connect the calf muscle to the heel bone?

A
ligament
B
tendon
C
skin
D
muscle
22
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Kaya had an organ transplant. She went to the doctor a week later, and the doctor did a blood test. Her lymphocyte count had increased. She went to the doctor a month later for the same test, and her lymphocyte count was higher. What is the best explanation as to why her lymphocyte levels were increasing?

A
Kaya was given antibiotics to prevent infections.
B
Kaya’s antigens were attacking the tissue.
C
Kaya was not tissue typed prior to her surgery, and her body is mounting an immune response.
D
Kaya took her immunosuppressant drugs weekly, which increased her lymphocyte count.
23

Arianne recently traveled abroad where she enjoyed eating food from different countries and learning about different cultures. A week after she returned home, she checked into the hospital with signs of nausea, fever, and diarrhea. What best explains what happened to Arianne?

A
A parasitic bacteria contaminated her food.
B
A mutualistic bacteria infected her digestive system.
C
A commensalistic organism is now living in her intestine.
D
A predatorial organism is consuming her natural bacteria.
24

Which factors affect natural selection?

A
inheritance, isolation, adaptation
B
variation, overpopulation, adaptation
C
isolation, overpopulation, speciation
D
variation, inheritance, speciation
25

A population of wolves in Wyoming experienced a rapid decline. Scientists found that 20 wolves died from rabies, 15 wolves died from mange (a parasitic mite), and 10 wolves died from natural causes. Wyoming experienced a recent drought, and many populations, including deer, bison, and bear, have diminished in the past year. What is best described in this scenario?

A
Wolves reached their greatest population growth.
B
Wolves were exposed to too many limiting factors.
C
Wolves were unaffected by other populations in Wyoming.
D
Wolves’ breeding season was affected by the drought.

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