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Human Anatomy, 6/e
Kent Van De Graaff, Weber State University

Cytology

Feedback Multiple Choice 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

Cells were first observed as boxlike cavities in cork by (49)
A)Schleiden
B)Schwann
C)Hooke
D)both a and b
2

The cell theory states that living organisms are composed of (49)
A)proteins
B)fats
C)lipids
D)none of the above
3

Which human cell can be seen with the unaided eye? (49)
A)an ovum
B)a red blood cell
C)a squamous cell
D)both a and c
4

Oxygen is found as what percentage of body weight in the human organism? (50)
A)95%
B)65%
C)18%
D)10%
5

Which is not an organic compound within a cell? (50)
A)a protein
B)a carbohydrate
C)a lipid
D)water
6

Water functions as a reactant in the breakdown, or ________, of food. (51)
A)metabolism
B)hydrolysis
C)hydrophobia
D)emulsification
7

The ratio of hydrogen to oxygen in carbohydrate compounds is (52)
A)1:1
B)2:1
C)2:2
D)2:3
8

Which of the following is not a major component of a cell? (53)
A)a nucleus
B)a cell membrane
C)chromoplasm
D)protoplasm
9

The process of passive movement of molecules from regions of higher concentration toward regions of lower concentration is called (55)
A)osmosis
B)active transport
C)diffusion
D)filtration
10

The principle source of energy for the filtration that occurs within the kidneys is (55)
A)cellular energy
B)blood pressure
C)molecular motion
D)carrier energy
11

The permeability of the cell membrane depends on each of the following factors except the (54)
A)size of the molecules
B)ionic charge
C)speed of molecular movement
D)presence of carrier molecules
12

Cell membranes in contact with the lumen of the GI (gastrointestinal) tract are highly specialized to permit (54)
A)absorption
B)nucleoplasm retention
C)ectoplasmic retention
D)filtration
E)both a and d
13

A hearing sensation within the spiral organ (organ of Corti) of the inner ear is initiated through the tactile stimulation of the specialized cilialike receptors called (57)
A)hair cells
B)microvilli
C)stereocilia
D)auditory filaments
14

Protoplasm includes the (57)
A)cytoplasm
B)nucleoplasm
C)ectoplasm
D)both a and b
15

Ribosomes are small, granularlike organelles that (57)
A)provide cellular energy in the form of ATP
B)synthesize proteins
C)function as carrier molecules
D)synthesize carbohydrates
16

Mitochondria are double-membraned, saclike organelles that (58)
A)synthesize carbohydrates and form glycoproteins
B)regulate the transport of RNA molecules
C)synthesize proteins
D)control the production of cellular energy in the form of ATP
17

Phagocytic activity is made possible by the enzymatic function of the (59)
A)vacuoles
B)lysosomes
C)Golgi apparatus
D)smooth ER
18

The term DOUBLE HELIX best describes the (65)
A)appearance of a spiraled chromosome
B)structure of the nucleotides in deoxyribonucleic acid
C)series of spindle fibers attached to the centrioles during prophase
D)equatorial plate during prophase
19

Which of the following is not a type of nitrogenous base in a DNA molecule? (65)
A)guanine
B)thymine
C)atropine
D)cytosine
20

In which phase of the cell cycle does the replication of the DNA occur? (70)
A)G1 phase
B)S phase
C)M phase
D)G2 phase
21

Cytokinesis is the
A)division of the cytoplasm during cell division
B)splitting of the chromosomes at the equatorial plate
C)division of the chromosomes during cell division
D)replication of the DNA molecule
22

Which of the following series of events of mitosis is in correct sequence? (70)
A)telophase, anaphase, metaphase, prophase
B)prophase, telophase, metaphase, anaphase
C)anaphase, prophase, metaphase, telophase
D)prophase, metaphase, anaphase, telophase
23

In which stage of mitosis do daughter chromosomes reach their respective poles? (71)
A)telophase
B)prophase
C)metaphase
D)anaphase
24

In which stage of mitosis do chromatic pairs line up on the equatorial plane? (71)
A)telophase
B)prophase
C)metaphase
D)anaphase
25

In which stage of mitosis do distinct chromosomes form from nuclear chromatin? (71)
A)telophase
B)prophase
C)metaphase
D)anaphase
26

Compensatory hypertrophy in muscles is characterized by a (n) (72)
A)increase in the number of cells
B)increase in cellular mass in response to increased work
C)increase in cellular mass due to increased protein absorption
D)greater amount of blood flow to the muscle cells
27

Specialized cellular change in which one type of cell transforms into another is known as (72)
A)hyperplasia
B)metaplasia
C)atrophy
D)hypertrophy
28

Which of the following is true? (73)
A)Cancerous cells divide more rapidly than regular cells
B)Cancerous cells divide at about the same rate as regular cells.
C)Cancerous cells are more resistant to death than regular cells.
D)Both a and c are true.
29

The lattice of microfilaments and microtubules within a cell forms the (61)
A)cytoskeleton
B)cell membrane
C)endoplasmic reticulum
D)cell filaments
30

________ are nitrogen containing organic compounds composed of amino acid molecules. (51)
A)Lipids
B)Proteins
C)Carbohydrates
D)Nitrates
31

Which of the following is not an inorganic substance? (51)
A)water
B)protein
C)acid
D)salt
32

Which of the following is false regarding water? (51)
A)Water is an excellent solvent for transporting solutes across a cell membrane.
B)Water maintains a constant cell temperature.
C)Water functions in hydrolysis of food.
D)all of the above are true
33

Which of the following is not a function of ions? (51)
A)control of water movement through cells
B)maintenance of normal pH balance
C)insulation of organs
D)conduction of electrical currents
34

Which of the following is not a component of the cell membrane? (53)
A)DNA
B)large globular proteins
C)phospholipids
D)carrier molecules
35

Which of the following processes does not require ATP? (55)
A)active transport
B)filtration
C)pinocytosis
D)phagocytosis
36

Rheumatoid arthritis can result from abnormalities in ________ function. (60)
A)lysosome
B)lysozyme
C)Golgi apparatus
D)phagocyte
37

Which of the following is not a specialization of the cell membrane? (61)
A)microvilli
B)hair cells
C)cilia
D)sacs
38

In an average healthy adult, over ________ cells will die and be mitotically replaced during a 24-hour period. (65)
A)100 billion
B)1 trillion
C)10 billion
D)100 million
39

Which of the following is not a component of DNA? (65)
A)a phosphate group
B)adenine
C)thymine
D)ribose
40

In which phase does synthesis of the enzymes and other proteins needed for division occur? (70)
A)S1 phase
B)G1 phase
C)G2 phase
D)M phase
41

The science concerned with developmental defects and the diagnosis, treatment, and prevention of malformations is known as (73)
A)embryology
B)neonatology
C)teratology
D)pathoembryology