Feedback True or False Quiz

Please answer all questions. The numbers at the end of each question refer to the textbook page where the question topic is discussed.

1		Cytology is the study of cells, while histology is the study of tissues. (49)
			A)	True
			B)	False
2		Etiology is the study of the life span of cells. (49)
			A)	True
			B)	False
3		Water is the most common solvent within the body. (51)
			A)	TRUE
			B)	FALSE
4		If a person is deprived of food for an extended period of time, the body will use the glycogen and fat reserved first and will eventually break down protein to create needed energy. (52)
			A)	True
			B)	False
5		Lipids function only as a stored food supply for metabolic energy. (52)
			A)	True
			B)	False
6		The cell membrane encloses the components of the cell and regulates the passage of substances into and out of the cell. (53)
			A)	True
			B)	False
7		Both diffusion and osmosis involve passive movement of molecules across a cell membrane. (55)
			A)	True
			B)	False
8		Microvilli are specialized extensions of a cell membrane extending into the lumen of a duct. (54)
			A)	True
			B)	False
9		The Golgi apparatus is involved in the synthesis of carbohydrates and cellular secretion, a process called exocytosis. (58)
			A)	True
			B)	False
10		In pinocytosis, the cell membrane engulfs solid particles from the surrounding extracellular environment. (61)
			A)	True
			B)	False
11		The only type of cell in humans that has a flagellum is a sperm cell. (61)
			A)	True
			B)	False
12		The perinuclear cisternae are the minute pores located along the nuclear membrane. (63)
			A)	True
			B)	False
13		Ribosomes are produced by nucleoli within the nucleus of a cell. (63)
			A)	True
			B)	False
14		The term CHROMATIN is a synonym for the term CHROMOSOME. (62)
			A)	True
			B)	False
15		Before a cell can divide, it must first duplicate its chromosomes. (65)
			A)	True
			B)	False
16		The rungs of a DNA molecule are composed of pairs of nucleic acids. (65)
			A)	True
			B)	False
17		In a DNA molecule, adenine always pairs with guanine and thymine always pairs with cytosine. (66)
			A)	True
			B)	False
18		About 12% of all congenital malformations are caused by mutations. (73)
			A)	True
			B)	False
19		Monosomy is a genetic condition characterized by the absence of an entire chromosome. (73)
			A)	True
			B)	False
20		Carcinogens are cancers that metastasize and establish a site of secondary growth. (73)
			A)	TRUE
			B)	FALSE
21		Surface modifications of cells may determine cellular function. (49)
			A)	True
			B)	False
22		The Golgi apparatus is involved in the synthesis of proteins and lipids. (58)
			A)	True
			B)	False
23		All mitochondria in a fertilized egg are derived from the mother. (58)
			A)	True
			B)	False
24		Metabolically active cells, such as muscle cells, liver cells, and kidney cells, have small amounts of mitochondria because they are able to store energy. (58)
			A)	True
			B)	False
25		All peroxisomes contain one or more substances that produce hydrogen peroxide, a substance that does not have a toxic effect on other organelles. (59)
			A)	True
			B)	False
26		Mature muscle and nerve cells have centrosomes, but cannot divide because they do not have centrioles. (61)
			A)	True
			B)	False
27		All chromosomes have the same length and shape, except for the Y chromosome. (65)
			A)	True
			B)	False
28		Some cells divide continuously, such as epidermal cells, hemopoietic cells, and cells that line the GI tract, and nerve cells. (61)
			A)	True
			B)	False
29		Drugs and poisons can cause cellular dysfunction by disrupting DNA replication, RNA transcription, active transport, or cell membrane activity. (72)
			A)	TRUE
			B)	FALSE