Please select the best answer for each question.

1		An example of biological stress on humans is
			A)	medicine
			B)	disease
			C)	pollution
			D)	a and c
2		Tanning is an example of a physiologic response to what stress?
			A)	cold
			B)	heat
			C)	ultraviolet radiation
			D)	predators
3		The body’s response to cold stress include
			A)	vasoconstriction
			B)	vasodilation
			C)	evaporation
			D)	a and b
4		The body’s responses to heat stress include
			A)	vasoconstriction
			B)	vasodilation
			C)	evaporation
			D)	b and c
5		Human populations in cold climates tend to be on average ________ than those in warm climates.
			A)	heavier
			B)	less heavy
			C)	longer
			D)	darker
6		Cranial size and shape varies with climate because
			A)	broader heads radiate heat more quickly
			B)	broader heads have less surface area exposed to the sun
			C)	narrow heads radiate heat more quickly
			D)	narrow heads conserve heat better
7		Cultural adaptations to heat stress include
			A)	vasoconstriction
			B)	light-colored shelters
			C)	evaporation
			D)	layered clothing
8		Humans living at high altitudes may be subject to which stress?
			A)	hypoxia
			B)	homeostasis
			C)	kwashiorkor
			D)	heat stress
9		The growth trends of high-altitude Indian populations in Peru are
			A)	lower cephalic index, increased sweating
			B)	narrower noses, higher cephalic index
			C)	greater lung volume, shorter stature
			D)	greater lung volume, taller stature
10		These growth trends in Peruvian Indians are possibly adaptations to
			A)	nutritional stress
			B)	hypoxic stress
			C)	occupational stress
			D)	a and b
11		The primary means of food acquisition through most of human history has been
			A)	cooking
			B)	agriculture
			C)	hunting and gathering
			D)	vegetarianism
12		Generally, hunting-gathering societies obtain most of their calories from
			A)	gathering
			B)	hunting
			C)	fishing
			D)	fruits
13		Which of the following terms is not a form of malnutrition?
			A)	mad cow disease
			B)	kwashiorkor
			C)	marasmus
			D)	obesity
14		Modernization has led to which nutritional problem in American Samoa?
			A)	mad cow disease
			B)	kwashiorkor
			C)	marasmus
			D)	obesity
15		In modernized societies, blood pressure tends to
			A)	decrease with age
			B)	increase with age
			C)	remain constant over a person’s lifetime
			D)	depend on climate