Chapter 31 Human Biology-Bushong Test Bank

Chapter 31 Human Biology Bushong: Radiologic Science for Technologists


MULTIPLE CHOICE


1. The is the basic functional unit of all plants and animals.
a. DNA
b. cell
c. macromolecule
d. lipid




ANS: B
The cell is the basic functional unit of all plants and animals.


2. The human body is composed of about 80% .
a. carbohydrates
b. protein
c. nucleic acids
d. water




ANS: D
The human body is composed of about 80% water.


3. The in the body provide fuel for cell metabolism.
a. protein
b. water
c. carbohydrates
d. hormones

, ANS: C
The carbohydrates in the body provide fuel for cell metabolism.


4. The endocrine glands produce .
a. hormones
b. lipids
c. antigens
d. glycerol




ANS: A
The endocrine glands produce hormones.


5. The in the cell are nucleic acids.
a. DNA
b. RNA
c. lipids
d. DNA and RNA




ANS: D
The DNA and RNA in the cell are nucleic acids.


6. The most radiosensitive target molecule in the human cell is the . a. protein
b. DNA
c. hormone

, d. glucose
ANS: B
The most radiosensitive target molecule in the human cell is the DNA.


7. DNA is located in the of the cell.
a. nucleus
b. cytoplasm
c. wall
d. nucleus and cytoplasm




ANS: A
DNA is located in the nucleus of the cell.


8. The only principal molecules in the body which are simple molecules are _
molecules.
a. carbohydrate
b. water
c. lipid
d. protein




ANS: B
The only principal molecules in the body which are simple molecules are water
molecules.


9. The metabolic process of building large molecules from smaller ones is called
.
a. synthesis
b. catabolism