Hole's Human Anatomy & Physiology (Shier), 12th Edition

Learning Outcome 2.2

1			An electrically charged small negative particle which encircles a nucleus is the _____.
			A)	proton
			B)	neutron
			C)	electron
			D)	positron

Learning Outcome 2.2

2			When atoms react chemically they gain, lose, or share _____.
			A)	protons
			B)	electrons
			C)	neutrons
			D)	atomic weights

Learning Outcome 2.1

3			Why is iodine-131 used to assess thyroid function?
			A)	it has a short half-life
			B)	it becomes absorbed into tissues
			C)	it is radioactive
			D)	the thyroid gland uses iodine

Learning Outcome 2.9

4			Lipids include the following except which one?
			A)	fats
			B)	oils
			C)	steroids
			D)	lactose

Learning Outcome 2.2

5			Ionic bonds tend to form between ____________________.
			A)	atoms that have become electrically, and oppositely, charged
			B)	atoms that share a single pair of electrons
			C)	atoms that share two pairs of electrons
			D)	hydrogen and oxygen atoms that bear weak but opposite charges

Learning Outcome 2.2

6			Although there are around 116 elements known, about 24 are not naturally occurring.
			A)	True
			B)	False

Learning Outcome 2.2

7			Gamma radiation is similar to X-rays but gamma rays are more penetrating.
			A)	True
			B)	False

Learning Outcome 2.2

8			The time it takes for a radioactive element to lose one-half of its radioactivity is the half-life.
			A)	True
			B)	False

Learning Outcome 2.2

9			Thallium-201 is usually used to detect cancers and inflammation.
			A)	True
			B)	False

Learning Outcome 2.5

10			Radioactive elements will undergo the same types of chemical reactions as their stable counterparts.
			A)	True
			B)	False