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Biology Fundamentals: Homeostasis and the Metric System Quiz

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Biology Fundamentals: Homeostasis and the Metric System Quiz

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Questions and Answers

What is the main function of a negative feedback system in the body?

To bring about an ever-greater change in the same direction

To maintain a constant internal environment

To keep a variable close to a set point (correct)

To regulate hormone levels

Which of the following is an example of a positive feedback system in the body?

Regulation of blood glucose levels

Regulation of blood pressure

Maintenance of body temperature

Delivery of a baby (correct)

What is the relationship between the metric prefixes deci- and centi-?

Deci- is 10 times larger than centi-

Deci- is 100 times larger than centi-

Centi- is 10 times larger than deci- (correct)

Deci- and centi- are the same magnitude

What is the correct way to express the measurement $0.325$ meters?

0.325 m Signup and view all the answers

Which of the following is the correct metric unit for volume?

liter Signup and view all the answers

What is the primary purpose of a homeostatic system in the body?

To maintain a constant internal environment Signup and view all the answers

Which is longer?

1,900,000 um Signup and view all the answers

What is the volume prefix for 1/1,000?

milli- Signup and view all the answers

How many liters are equivalent to 53 deciliters?

5.3 L Signup and view all the answers

Which engine specifications are given for the example provided?

2.7-Liter 4-Cylinder DOHC 16-Valve with VVT-i Signup and view all the answers

What is the body surface temperature in Fahrenheit?

77 oF Signup and view all the answers

How many centimeters are approximately equal to 1 foot?

~ 30 cm Signup and view all the answers

What is the correct conversion from grams to milligrams?

1 g = 1,000 mg Signup and view all the answers

If 35 g is heavier than 3500 mg, what is the correct statement?

35 g is heavier than 3500 mg Signup and view all the answers

If 2 kg is equal to 2,000,000,000,000 ng, what is the correct conversion factor between kilograms and nanograms?

1 kg = 1,000,000,000,000 ng Signup and view all the answers

If 1.7 m is equal to 170 cm, what is the correct conversion factor between meters and centimeters?

1 m = 100 cm Signup and view all the answers

If 30 cm is equal to 300 mm, what is the correct conversion factor between centimeters and millimeters?

1 cm = 10 mm Signup and view all the answers

If 50 m is equal to 0.05 km, what is the correct conversion factor between meters and kilometers?

1 m = 0.001 km Signup and view all the answers