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A&P CH. 3
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Questions in this quiz (41)
1The plasma membrane shown in the image separates a cell from its external environment and from the neighboring cells. What other function does it perform?
- Aa. Stores excess glucose
- Bb. Controls the activity of the cell
- Cc. Regulates passage of molecules into and out of the cell
- Dd. Produces hormones
2The clear liquid fluid that fills the spaces around the chromatin and the nucleoli is
- Aa. cytoplasm.
- Bb. nucleoplasm.
- Cc. the nuclear membrane.
- Dd. a fatty substance.
3Water is essential for all cellular life, as water makes up ___ of cytoplasm.
- Aa. 50% to 70%
- Bb. 60% to 70%
- Cc. 70% to 80%
- Dd. 70% to 90%
4The orderly process by which cells die is
- Aa. atrophy.
- Bb. apoptosis.
- Cc. necrosis.
- Dd. dysplasia.
5Hairlike projections of the cell that beat and vibrate are called
- Aa. lysosomes.
- Bb. ribosomes.
- Cc. cilia.
- Dd. mitochondria.
6During which phase of mitosis does the nuclear membrane dissolve completely and the chromatid pairs arrange themselves in a single file?
- Aa. Telophase
- Bb. Metaphase
- Cc. Anaphase
- Dd. Interphase
7Which of these cells reproduce at the slowest rate?
- Aa. Blood-forming cells in the bone marrow
- Bb. Skin cells
- Cc. Cells lining the intestinal tract
- Dd. Muscle cells
8The diffusion rate of molecules for a gas is
- Aa. slower than that for liquids.
- Bb. quicker than that for liquids.
- Cc. slower than that for solids.
- Dd. quicker than that for liquids and solids.
9Most intravenous fluids ordered by physicians are ___ solutions.
- Aa. hypertonic
- Bb. isotonic
- Cc. hypotonic
- Dd. glucose and water
10Another term for tumor is
- Aa. benign.
- Bb. malignant.
- Cc. cancer.
- Dd. neoplasm.
11Cancer that occurs in the bone marrow is known as
- Aa. sarcoma.
- Bb. lymphoma.
- Cc. carcinoma.
- Dd. leukemia.
12Which store the hereditary material DNA that is passed on from one generation of cells to the next?
- Aa. Ribosomes
- Bb. Mitochondria
- Cc. Chromosomes
- Dd. Centrioles
13Rough endoplasmic reticulum differs from smooth due to the presence of
- Aa. ribosomes.
- Bb. mitochondria.
- Cc. lysosomes.
- Dd. chromosomes.
14Cell eating is called
- Aa. phagocytosis.
- Bb. pinocytosis.
- Cc. active transport.
- Dd. neoplasm.
15Most of the cell's energy comes from rod-shaped organelles called
- Aa. peroxisomes.
- Bb. Golgi apparatus.
- Cc. mitochondria.
- Dd. cilia.
16These are known as suicide bags:
- Aa. Peroxisomes
- Bb. Mitochondria
- Cc. Lysosomes
- Dd. Ribosomes
17Which of the following is an example of passive transport of materials through the cell membrane?
- Aa. Interphase
- Bb. Phagocytosis
- Cc. Pinocytosis
- Dd. Diffusion
18The background for all chemical reactions that take place in a cell is
- Aa. pinocytic vesicles.
- Bb. cytoplasm.
- Cc. Golgi apparatus.
- Dd. nucleus
19The change to the size, shape, and organization of cells as a result of a stimulus is called
- Aa. hyperplasia.
- Bb. dysplasia.
- Cc. metaplasia.
- Dd. neoplasia.
20Which structure controls the activities of the cell and facilitates cell division?
- Aa. Mitochondria
- Bb. Nucleus
- Cc. Centrioles
- Dd. Chromosome
21An aqueous solution of carbohydrates, proteins, lipids, nucleic acids, and inorganic salts surrounded by a cell membrane is called
- Aa. ribosome.
- Bb. endoplasmic reticulum.
- Cc. protoplasm.
- Dd. chromatin.
22The resting phase in the process of mitosis is called
- Aa. telophase.
- Bb. prophase.
- Cc. anaphase.
- Dd. interphase.
23What is the term used for the increase in cell number?
- Aa. Atrophy
- Bb. Metaplasia
- Cc. Hyperplasia
- Dd. Hypertrophy
24What unit of measurement is used to measure the size of cells and their components?
- Aa. Nanometer
- Bb. Centimeter
- Cc. Micron (micrometer)
- Dd. Inch
25During which phase do the chromosomes migrate to the opposite poles of the cell?
- Aa. Metaphase
- Bb. Anaphase
- Cc. Telophase
- Dd. Interphase
26The suffix -plasm means
- Aa. growth.
- Bb. process of.
- Cc. strength or concentration.
- Dd. controlling or stopping.
27The word root cyto means
- Aa. colored.
- Bb. below normal.
- Cc. new.
- Dd. cell.
28The movement of water molecules across a semipermeable membrane from a solution of higher concentration to a solution of lower concentration is called
- Aa. filtration,
- Bb. osmosis,
- Cc. active transport,
- Dd. diffusion,
29Which structure regulates the passage or transport of certain molecules into and out of the cell?
- Aa. Nucleus
- Bb. Nucleoplasm
- Cc. Endoplasmic reticulum
- Dd. Cell membrane
30DNA and protein material in a loose and diffuse state is called
- Aa. diffusion.
- Bb. chromatin.
- Cc. chromosome.
- Dd. nucleoplasm.
31In a cell, what are composed of ribonucleic acid and protein?
- Aa. Chromosomes
- Bb. Ribosomes
- Cc. Organelles
- Dd. Peroxisomes
32Which of the following best describes the cell membrane?
- Aa. Selective semipermeable membrane
- Bb. Double-layered structure with pores
- Cc. Sticky, semifluid material
- Dd. Network of tubular structures
33How many chromosomes are in a human cell?
- Aa. 92
- Bb. 46
- Cc. 23
- Dd. 12
34Cancer that occurs in bones, tissues, muscles, and fat is called
- Aa. carcinoma.
- Bb. sarcoma.
- Cc. myeloma.
- Dd. lymphoma
35What is osmosis?
- Aa. Movement of water molecules by some type of physical force.
- Bb. Movement of water molecules across a selective permeable membrane.
- Cc. Movement of particles evenly throughout a medium.
- Dd. Movement of molecules across a cell membrane requiring ATP.
36During which phase of mitosis does the nuclear membrane start to dissolve?
- Aa. Interphase
- Bb. Prophase
- Cc. Metaphase
- Dd. Anaphase
37Active transport requires what chemical compound?
- Aa. An amino acid
- Bb. Oxygen
- Cc. Phosphorous
- Dd. Adenosine triphosphate
38What is the key difference between phagocytosis and pinocytosis?
- Aa. With phagocytosis, the engulfed substances are in particles; with pinocytosis the engulfed substances are in solution.
- Bb. With phagocytosis, the engulfed substances are in solution; with pinocytosis the engulfed substance are in particles.
- Cc. With phagocytosis the substance being consumed is preserved, but with pinocytosis the substance is destroyed.
- Dd. There is no significant difference.
39What term is used to describe the state in which molecules are evenly distributed in the available space?
- Aa. Osmosis
- Bb. Equilibrium
- Cc. Diffusion
- Dd. Apoptosis
40Which of the following statements is true regarding specialization among cells?
- Aa. All cells specialize to some degree.
- Bb. Specialization leads to greater autonomy among cells.
- Cc. Specialized cells may lose the ability to reproduce.
- Dd. Less complex organisms are more likely to have specialized cells.
41Which of the following is not a cause of cell necrosis?
- Aa. Infection
- Bb. Blood clot
- Cc. Injury
- Dd. Perfusion
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- Cengage online questions
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- Lauren Oliver
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- English
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