Florida Science Grade 6

Chapter 6: Circulation and Immunity

Standardized Test Practice

1.
During which year did black females and white males have about the same life expectancy?

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SC.F.2.3.3
A)1978
B)1970
C)1979
D)1986
2.
Which of the following diseases had the largest number of cases per year before the vaccine was available?

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SC.G.1.3.1
A)diphtheria
B)mumps
C)pertussis
D)measles
3.
How many fewer cases of diphtheria were repoted in 1998 than the average number of cases in previous years?

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SC.F.1.3.6
A)175,885
B)175,884
C)152,209
D)1
4.
During which step in the diagram do antibodies destroy pathogens?

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SC.F.1.3.3
A)1
B)2
C)3
D)4
5.
Which of the following diseases is caused by a virus? SC.F.1.3.6
A)athlete's foot
B)tetanus
C)malaria
D)AIDS
6.
Which of these is a noninfectious disease? SC.F.1.3.6
A)colds
B)tetanus
C)cancer
D)strep throat
7.
Which of these diseases could be successfully treated with antibiotics? SC.F.1.3.3
A)strep throat
B)colds
C)influenza
D)measles
8.
What is the function of hemoglobin? SC.F.1.3.6
A)carries dissolved nutrients to body cells
B)helps stop bleeding and plugs holes in small vessels
C)surrounds pathogens and signals T cells
D)carries oxygen and carbon dioxide from the lungs to body cells
9.
Which of these has one-way valves that help prevent blood from flowing backward? SC.F.1.3.6
A)veins
B)arteries
C)capillaries
D)lymph nodes
10.
A condition characterized by fatty deposits on arterial walls is called SC.F.1.3.6
A)atherosclerosis.
B)high blood pressure.
C)hypertension.
D)Hodgkin's disease.
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