Question 1

Antimetabolites work by

Accepted Answer

A)   breaking the DNA and introducing mutations.
B)   interfering with the spindle fibers that separate the sister chromatids.
C)   mimicking nucleotides, which results in an incorrectly developed DNA molecule.
D)   interfering with the cell's ability to unwind DNA during DNA replication.
E)   placing the cell in G0 phase.F) B) and E)
G) All of the above

Question 2

At which checkpoint is DNA assessed for accuracy before cell division?

Accepted Answer

A)   S
B)   G1
C)   G2
D)   G0
E)   MF) B) and E)
G) A) and C)

Question 3

If cancer invades the ______, this can cause an accumulation of blood calcium and may lead to a coma.

Accepted Answer

A)   brain
B)   bone
C)   liver
D)   stomach
E)   kidneysF) None of the above
G) A) and B)

Question 4

Chemotherapy can interact with different phases of the cell cycle. What are the main phases that these drugs target?

Accepted Answer

A)   S, G2, and M
B)   G2, M, and G1
C)   M, G1, and G0
D)   G1, G0, and S
E)   G0, S, and G2F) C) and D)
G) B) and C)

Question 5

From the following list, select all that can apply to cancerous cells. (Check all that apply.)

Accepted Answer

A)   Damaged DNA
B)   Directed apoptosis
C)   Uncontrolled cell division
D)   Monitoring with checkpoints
E)   Daughter cells with correct genetic informationF) A) and C)
G) B) and D)

Question 6

Nucleic acids serve as a

Accepted Answer

A)   genetic code.
B)   means of energy production.
C)   genetic code and a method of cellular control.
D)   genetic code and a means of energy production.E) A) and D)
F) B) and C)

Question 7

From the list of organ systems, select the ones that play a major role in homeostasis. (Check all that apply.)

Accepted Answer

A)   Endocrine system
B)   Cardiovascular system
C)   Urinary system
D)   Immune system
E)   Digestive systemF) A) and E)
G) B) and E)

Question 8

From the list provided, what would be helpful to differentiate eukaryotes from prokaryotes? (Check all that apply.)

Accepted Answer

A)   The size of the ribosomes
B)   The size of the cell
C)   The plasma membrane
D)   OrganellesE) A) and D)
F) None of the above

Question 9

Which characteristic corresponds with Stage 1 of breast cancer?

Accepted Answer

A)   Cancer begins invading more lymph nodes and tissue
B)   Cancer is localized and less than 2 cm
C)   Cancer extensively spreads to nearby tissue
D)   Cancer spreads to other organs
E)   Cancer is found in a few lymph nodesF) B) and E)
G) B) and D)

Question 10

You are reading an article about a person being diagosed with a type of sarcoma. This type of cancer affects __________.

Accepted Answer

A)   the skin
B)   white blood cells
C)   connective tissue
D)   cells related to the immune systemE) A) and D)
F) A) and C)

Question 11

In cancerous cells, checkpoints still operate as normal and cell division is monitored.

Accepted Answer

A) True 
 B)False

Question 12

The DNA is compacted into multiple ______ that condense and organize the genetic information before cells divide.

Accepted Answer

A)   genomes
B)   chromosomes
C)   ribosomes
D)   sister chromatidsE) None of the above
F) A) and C)

Question 13

In normal cells, tumor suppressor genes

Accepted Answer

A)   decrease the likelihood of damaged DNA being passed on to the daughter cells.
B)   decrease the likelihood of damaged DNA staying in parent cells.
C)   increase the rate of cell division.
D)   decrease the rate of cell division.
E)   monitor the rate of cell division and check newly synthesized DNA for damage before being passed on to daughter cells.F) B) and D)
G) D) and E)

Question 14

Malignant tumors can spread through tissues by digesting proteins with the enzyme lipase.

Accepted Answer

A) True 
 B)False

Question 15

What cell organelle converts the energy found in food into a form usable by cells?

Accepted Answer

A)   Mitochondrion
B)   Lysosome
C)   Centriole
D)   Golgi apparatusE) A) and D)
F) B) and C)

Question 16

______ is the mutagen responsible for structurally changing the DNA molecule during DNA replication.

Accepted Answer

The answer of ______ is the mutagen responsible for structurally...

Question 17

There are several types of radiation. What type of radiation is being administered in the provided image?

Accepted Answer

A)   External
B)   High-dose seed
C)   Low-dose seed
D)   Internal radiationE) B) and D)
F) B) and C)

Question 18

Cancer begins when

Accepted Answer

A)   a tumor forms.
B)   there is an abnormal function of an organ system.
C)   cells divide uncontrollably.
D)   an organ stops functioning.
E)   All of the answer choices are correct.F) A) and D)
G) B) and D)

Question 19

Metaphase is a step of mitosis. What key event happens during metaphase?

Accepted Answer

A)   Chromosomes condense
B)   Sister chromatids align on the spindle equator
C)   Sister chromatids are pulled apart
D)   Nuclear envelopes form and a cleavage furrow formsE) B) and C)
F) A) and D)

Question 20

The life span of normal cells and cancerous cells is the same.

Accepted Answer

A) True 
 B)False

Exam 1: Understanding Cancer: Causes, Effects, and Treatments

Nucleic acids serve as a

Correct AnswerverifiedShow Answer

You are reading an article about a person being diagosed with a type of sarcoma. This type of cancer affects __________.

Correct AnswerverifiedShow Answer

At which checkpoint is DNA assessed for accuracy before cell division?

Correct AnswerverifiedShow Answer

Chemotherapy can interact with different phases of the cell cycle. What are the main phases that these drugs target?

Correct AnswerverifiedShow Answer

Antimetabolites work by

Correct AnswerverifiedShow Answer

The DNA is compacted into multiple ______ that condense and organize the genetic information before cells divide.

Correct AnswerverifiedShow Answer

If cancer invades the ______, this can cause an accumulation of blood calcium and may lead to a coma.

Correct AnswerverifiedShow Answer

The life span of normal cells and cancerous cells is the same.

Correct AnswerverifiedShow Answer

In normal cells, tumor suppressor genes

Correct AnswerverifiedShow Answer

Malignant tumors can spread through tissues by digesting proteins with the enzyme lipase.

Correct AnswerverifiedShow Answer

From the following list, select all that can apply to cancerous cells. (Check all that apply.)

Correct AnswerverifiedShow Answer

From the list of organ systems, select the ones that play a major role in homeostasis. (Check all that apply.)

Correct AnswerverifiedShow Answer

Cancer begins when

Correct AnswerverifiedShow Answer

What cell organelle converts the energy found in food into a form usable by cells?

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In cancerous cells, checkpoints still operate as normal and cell division is monitored.

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Which characteristic corresponds with Stage 1 of breast cancer?

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From the list provided, what would be helpful to differentiate eukaryotes from prokaryotes? (Check all that apply.)

Correct AnswerverifiedShow Answer

Metaphase is a step of mitosis. What key event happens during metaphase?

Correct AnswerverifiedShow Answer

There are several types of radiation. What type of radiation is being administered in the provided image?

Correct AnswerverifiedShow Answer

______ is the mutagen responsible for structurally changing the DNA molecule during DNA replication.

Correct AnswerverifiedShow Answer

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Answered by ExamLex AI

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