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Item EB080001: In order of increasing size, the components of the circulatory system are carbon atom, amino acid, protein, red blood cell, blood vessel.

Which of the following lists the components of the circulatory system in order of size from smallest to largest?

  1. Red blood cell, carbon atom, protein, amino acid, blood vessel
  2. Red blood cell, amino acid, carbon atom, protein, blood vessel
  3. Carbon atom, amino acid, protein, red blood cell, blood vessel
  4. Carbon atoms, red blood cell, amino acid, protein, blood vessel

Pre-Test

Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 141
6–8
n = 0
9–12
n = 124
Male
n = 76
Female
n = 48
English
n = 120
Other
n = 9
A. Red blood cell, carbon atom, protein, amino acid, blood vessel 13% NAN% 14% 14% 10% 14% 11%
B. Red blood cell, amino acid, carbon atom, protein, blood vessel 21% NAN% 19% 16% 27% 19% 22%
C. Carbon atom, amino acid, protein, red blood cell, blood vessel 40% NAN% 43% 39% 40% 42% 33%
D. Carbon atoms, red blood cell, amino acid, protein, blood vessel 26% NAN% 25% 30% 23% 25% 33%

Post-Test

Distribution of responses
Answer Choice
Overall
Grades
Gender
Primary Language
 
n = 151
6–8
n = 0
9–12
n = 132
Male
n = 76
Female
n = 56
English
n = 126
Other
n = 5
A. Red blood cell, carbon atom, protein, amino acid, blood vessel 18% NAN% 17% 14% 23% 17% 0%
B. Red blood cell, amino acid, carbon atom, protein, blood vessel 16% NAN% 15% 11% 18% 16% 0%
C. Carbon atom, amino acid, protein, red blood cell, blood vessel 34% NAN% 34% 42% 23% 34% 40%
D. Carbon atoms, red blood cell, amino acid, protein, blood vessel 32% NAN% 33% 33% 36% 33% 60%