Question 1

Which of the following best describes a stem cell?

Accepted Answer

A cell that can continuously divide and differentiate into various other cell types.

Question 2

Totipotent stem cells have which of the following capabilities?

Accepted Answer

They can develop into any cell type, including an entire organism.

Question 3

Which type of stem cell is harvested from the inner cell mass of a blastocyst?

Accepted Answer

Pluripotent stem cell

Question 4

A patient with leukemia is most likely to benefit from which stem cell-based treatment?

Accepted Answer

Bone marrow stem cell transplantation

Question 5

Which of the following is a major ethical controversy surrounding embryonic stem cell research?

Accepted Answer

The destruction of blastocysts during stem cell extraction

Question 6

Which equation best represents the process of stem cell proliferation?

Accepted Answer

$$N_t = N_0$ 	imes 2^n$$

Question 7

Which of the following is NOT a function of umbilical cord stem cells?

Accepted Answer

Producing insulin directly in the pancreas

Question 8

Multipotent stem cells are characterized by which property?

Accepted Answer

Ability to become a limited range of cell types

Question 9

Which of the following is a real-world application of stem cell therapy?

Accepted Answer

Regeneration of spinal cord tissue after injury

Question 10

Induced pluripotent stem cells (iPS cells) are created by:

Accepted Answer

Reprogramming adult somatic cells to a pluripotent state

Question 11

Which of the following is a potential risk associated with adult stem cell therapy?

Accepted Answer

Development of leukemia due to mutations

Question 12

Which stem cell type is most likely to be used for treating Type I diabetes by generating insulin-producing cells?

Accepted Answer

Embryonic stem cells

Question 13

Which of the following statements about adult stem cells is TRUE?

Accepted Answer

They are undifferentiated cells found among specialized cells in tissues after birth.

Question 14

Which property allows stem cells to be used for drug testing and genetic studies?

Accepted Answer

Their ability to differentiate into various cell types

Question 15

Which of the following is a key difference between pluripotent and multipotent stem cells?

Accepted Answer

Pluripotent stem cells can become any cell type, while multipotent stem cells are limited to certain lineages.

Question 16

Which of the following equations best describes the differentiation potential of totipotent stem cells?

Accepted Answer

$$P_{totipotent} = \sum_{i=1}^{n} T_i$$

Question 17

Which of the following is a reason why umbilical cord stem cells are preferred over bone marrow stem cells in some treatments?

Accepted Answer

They have greater compatibility and are less expensive.

Question 18

Which of the following is a critical question in the ethical debate over embryonic stem cell research?

Accepted Answer

Is an embryo a person?

Question 19

Which of the following is a function of stem cells in tissue repair?

Accepted Answer

Regenerating damaged heart tissue after a heart attack

Question 20

Which of the following best explains why stem cell research is considered important for medical advancement?

Accepted Answer

Stem cells can replace diseased or damaged cells and allow us to study development and genetics.

Stem Cells: Types, Characteristics, and Applications in Anatomy & Physiology

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