sonography Exam Review Questions with
Verified Correct Answers
How many atoms are there in a molecule of H20?
3 total; 2 hydrogen, 1 oxygen
What is the primary component of a diamond?
Carbon
What part of the body are composed of nervous tissue?
Nerves, spinal cord, and brain
A leech survives by feeding off the blood of other, larger beings. This type of behavior is
known as what?
Parasitism
Name a creature that lives in a cocoon for part of its life cycle?
Caterpillar
What causes a solar eclipse to occur?
The moon moves between sun and earth
What causes lunar eclipse to occur?
Earths shadow falls on the moon
Name the planets in order, from the sun outwards.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
The green pigment found in plants that performs photosynthesis is ______.
, Chlorophyll
A proton has what electrical charge?
Positive
A neutron has what electrical charge?
Neutral
An electron has what electrical charge?
Negative
Which of the above parts are contained in the nucleus of an atom?
Protons and Neutrons
Recycling refers to what?
The process of collecting and processing waste materials and turning them into new products
The organ that produces insulin from the body is the ________.
Pancreas
A huge ocean wave that may be caused by earthquakes, often under the ocean floor is
called what?
Tsunami
Helium is an example of (a compound, an element, an alloy?)
Element
Hot molten rock under the surface of the earth is called _____.
Magma
Verified Correct Answers
How many atoms are there in a molecule of H20?
3 total; 2 hydrogen, 1 oxygen
What is the primary component of a diamond?
Carbon
What part of the body are composed of nervous tissue?
Nerves, spinal cord, and brain
A leech survives by feeding off the blood of other, larger beings. This type of behavior is
known as what?
Parasitism
Name a creature that lives in a cocoon for part of its life cycle?
Caterpillar
What causes a solar eclipse to occur?
The moon moves between sun and earth
What causes lunar eclipse to occur?
Earths shadow falls on the moon
Name the planets in order, from the sun outwards.
Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune
The green pigment found in plants that performs photosynthesis is ______.
, Chlorophyll
A proton has what electrical charge?
Positive
A neutron has what electrical charge?
Neutral
An electron has what electrical charge?
Negative
Which of the above parts are contained in the nucleus of an atom?
Protons and Neutrons
Recycling refers to what?
The process of collecting and processing waste materials and turning them into new products
The organ that produces insulin from the body is the ________.
Pancreas
A huge ocean wave that may be caused by earthquakes, often under the ocean floor is
called what?
Tsunami
Helium is an example of (a compound, an element, an alloy?)
Element
Hot molten rock under the surface of the earth is called _____.
Magma
