Homeostasis and Human Body Quiz

Place these in order: which things do Americans fear the MOST to the LEAST?

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Which of the following is a valid claim based on this data?

• The temperature and precipitation levels in Winnipeg during June, July and Aug

• Temperature and precipitation vary with seasons as the earth's tilt changes

• June has the highest average temperature at 18C

• How do temperature and precipitation change with the seasons in Winnipeg CN?

What is the process by which oxygen and glucose are used by cells to produce energy?

• Photosynthesis

• Cellular respiration

• Fermentation

• Glycolysis

What happens to blood vessels and sweat glands when body temperature is too high?

• Blood vessels constrict and sweat glands activate

• Blood vessels dilate and sweat glands activate

• Blood vessels constrict and sweat glands deactivate

• Blood vessels dilate and sweat glands deactivate

What is the relationship between intensity of physical activity and pulse rate?

• As the intensity of exercise increases pulse rate decreases

• As the intensity of exercise decreases pulse rate increases

• As the intensity of exercise increases pulse rate increases

• There is no relationship between the intensity of exercise and pulse rate

Which waste products are released during exercise?

• Oxygen and carbon dioxide

• Carbon dioxide and lactic acid

• Glucose and starch

• Water and iodine

What happens to blood vessels in extremities during frostbite?

• Blood vessels constrict, preventing glucose and oxygen from reaching cells

• Blood vessels dilate preventing glucose and oxygen from reaching cells

• Blood vessels dilate allowing glucose and oxygen to reach cells

• Blood vessels constrict, allowing glucose and oxygen to reach cells

What happens to the cell in a salty solution?

• Water diffuses into the cell

• Water diffuses out of the cell

• No net diffusion of water

• Plant cells may burst without a cell wall

Why must starch be digested to yield glucose before glucose can be used by the mitochondria for cellular respiration?

• Starch is too small to diffuse through the membranes of the cell and mitochondria

• Starch is too big to diffuse through the membranes of the cell and mitochondria

• glucose is too small to diffuse through the membranes of the cell and mitochondria

• glucose is too small to diffuse through the membranes of the cell and mitochondria

This image shows how the body regulates its temperature. This is an example of

• a feedback loop

• a disruption of homeostasis