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Extra test questions
Directions: This unit online test consists of multiple-choice and open-ended questions. Read each multiple-choice question carefully and choose the ONE best answer. Read and analyze each open-ended question, write your response in the provided space.
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What is your first and last name?
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13. Increased concern over the number of heat related illnesses among football players has led to a possible change in uniform design. Shoulder pads were designed that constantly blew cool,dry air underneath the shoulder pads. Tests showed that the use of the device during rest and recovery periods resulted in a reduction of body temperature and heart rate. This new device would help the athlete to
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4 points
(1) control the rate of muscle activity
(2) increase muscle strength
(3) maintain homeostasis
(4) eliminate the release of heat from the body
16. A student used a microscope to observe a single-celled organism. As he watched, it looked as if the organism split into two cells. He made drawings, shown below, of the organism over a short period of time.
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4 points
(1) Meiotic cell division
(2) Asexual reproduction
(3) Sexual reproduction
(4) Gamete formation
3 points
Option 1
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22. Use the following passage to answer questions a—d.
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16 points
Your answer
16. Base your answers to the next four questions on the information below and on your knowledge of biology.
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20 points
Your answer
17. Base your answer on the information below and on your knowledge of biology.
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4 points
Your answer
Super Vaccine Could Eliminate Flu
18. Identify one specific difference, other than it is a two-step vaccination, between Nabel's vaccination and a traditional flu vaccine.
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5 points
Your answer
19. Explain how injecting dead or weakened viruses into a person can help to fight against future infections from that virus.
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5 points
Your answer
20. Base your answer on the information below and on your knowledge of biology.
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5 points
Your answer
21. Base your answer on the passage below and on your knowledge of biology.
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5 points
Your answer
9.
People who have AIDS are more likely than others to become ill with multiple infections because the pathogen that causes AIDS
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0 points
(1) targets many body systems
(2) mutates, releasing toxins directly into the bloodstream
(3) damages the immune system
(4) increases the rate of enzyme activity in different types of body cells
24. What would you expect to be the condition of a person whose blood contained twice the normal levels of white blood cells? (Extra credit questions)
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4 points
Your answer
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