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Multiple Choice Quiz
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1
An individual living in a warm/dry climate will show what type of physical adaptations to their environment?
A)they will be stockier
B)they will have a short, broad nose
C)they will have a long narrow, narrow nose
D)they will have a smaller surface area
2
The specialized skin cells melanocytes help protect the skin from
A)high altitude.
B)temperature.
C)UV radiation.
D)insect bites.
3
What is the most important adaptive factor for humans living in extreme environments?
A)the ability to sweat.
B)culture
C)different skin pigmentations.
D)fire
4
Which of the following populations shows an incredibly high frequency of lactase persistence?
A)South Africans
B)Northern Europeans
C)Native Americans
D)Melanesians
5
Darker skinned people have
A)more melanin production.
B)more melanocytes.
C)fewer melanocytes.
D)higher hemoglobin concentration.
6
The phenotypic trait involved in the ABO blood system is the presence or absence of certain proteins called
A)antibodies.
B)melanocytes.
C)single nucleotide polymorphisms.
D)antigens.
7
Which blood type contains no antigens?
A)Ahai
B)Bhai
C)AB
D)O
8
Which of the following is true of people with type O blood?
A)Mosquitoes appear to be more attracted to them.
B)They appear to be more immune to stomach ulcers than the general population.
C)They appear to be at greater risk for bronchial pneumonia.
D)They are not able to serve as blood donors.
9
Remnants of ancient viruses make up about _____ percent of the human genome.
A)1
B).001
C)5
D)0
10
Which of the following is NOT an example of an epidemiological transition?
A)the increase in infectious diseases as larger and denser concentrations of people provided the disease vectors with greater opportunity to be passed from host to host
B)the shift to chronic, degenerative diseases, such as cancers, and heart and circulatory diseases, resulting from better public health measures and improved nutrition
C)the evolution of light skin corresponding with the migration of people away from the equator
D)the return of old diseases caused by the evolution of the microorganisms themselves
11
Which of the following is NOT an emerging disease?
A)HIV/AIDS
B)bubonic plague
C)ebola
D)"mad cow" or prion diseases
12
The least common cause of death in the U.S. today among the following is:
A)infectious disease.
B)cancer.
C)heart disease.
D)stroke





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