Tags

There are 23 questions tagged under Embryonic Development.

Go to Random Question


1 Go

Q:

The stage of cell division that occurs without increase in cell size after division is called

A

Cleavage

B

Blastulation

C

Gastrulation

D

Fertilization

Tags: Embryonic Development |

2 Go

Q:

Which of the following does NOT arise from ectoderm?

A

epidermis

B

nervous system

C

muscoloskeletal tissues

D

eyes

Tags: Embryonic Development |

3 Go

Q:

The nephron develops from the same germ cell layer as does the:

A

brain

B

lining of the digestive tract

C

retina

D

heart

Tags: Embryonic Development |

4 Go

Q:

Gastrulation is followed directly by:

A

nerulation

B

fertilization

C

morulation

D

morphogenesis

Tags: Embryonic Development |

5 Go

Q:

The lining of the digestive tract, the lungs, the liver, and the pancreas are formed from which germ layer?

A

ectoderm

B

mesoderm

C

endoderm

D

gastroderm

Tags: Embryonic Development |

6 Go

Q:

The invagination of the neural plate produces:

A

the notochord

B

the cerebellum

C

the neural tube

D

the spine

Tags: Embryonic Development |

7 Go

Q:

In humans, the fusion of the nuclei of two functional gametes results in the formation of a

A

monoploid cell

B

zygote

C

cotyledon

D

polyploid cell

Tags: Embryonic Development |

8 Go

Q:

Which germ layer is the spinal cord derived from?

A

Mesoderm

B

Ectoderm

C

Endoderm

D

None of the above

Tags: Embryonic Development |

9 Go

Q:

Which of the following germ layers gives rise to the spinal cord?

A

Ectoderm

B

Mesoderm

C

Endoderm

D

Intraderm

Tags: Embryonic Development |

10 Go

Q:

Nails develop from the

A

Endoderm

B

Ectoderm

C

Mesoderm

D

Interderm

Tags: Embryonic Development |

11 Go

Q:

The skin, hair, nails, eyes and central nervous system arise from which germ layer?

A

endoderm

B

ectoderm

C

mesoderm

D

transderm

Tags: Embryonic Development |

12 Go

Q:

Many embryos experience an ectodermal abnormality caused by the BC5X mutation. Which of the following would not be an expected consequence?

A

Peripheral nervous deficits

B

Changes in skin

C

Blindness

D

Generalized muscle weakness

Tags: Embryonic Development |

13 Go

Q:

Meiosis II occurs for the production of sex cells (sperm and eggs). For the egg, meiosis II actually occurs after the egg is fertilized by a sperm. Which of the following would not be expected to be found within the egg cell membrane after this meiosis process takes place?

A

Sperm DNA

B

Two polar bodies

C

Enzymes from the sperm

D

The zona pellucida

Tags: Mitosis and Meiosis | Embryonic Development |

14 Go

Q:

Fetal hemoglobin differs from maternal hemoglobin in that it

A

Has a right-shifted oxygen saturation curve

B

Has increased affinity for iron

C

Has a left-shifted oxygen saturation curve

D

Has an increased half-life

Tags: Embryonic Development | Circulatory System |

15 Go

Q:

The notochord in the embryo is responsible for

A

developing into the CNS and PNS

B

coordinating development of the CNS

C

developing only into the CNS

D

differentiating into endodermal structures, such as the gut

Tags: Embryonic Development |

16 Go

Q:

Unipotent stem cells are those which, like other stem cells, undergo perpetual self-renewal while remaining in their undifferentiated state, and can differentiate to produce only one specialized cell type. An example of unipotent stem cells includes:

A

neurons

B

myeloid progenitor cell

C

mesodermal cell

D

spermatogonia

Tags: Embryonic Development |

17 Go

Q:

Which of the following tissues is not derived from endoderm?

A

Liver

B

Pancreas

C

Brain

D

Lungs

Tags: Embryonic Development |

18 Go

Q:

Cardiac tissue is derived from which germ layer?

A

Ectoderm

B

Mesoderm

C

Endoderm

D

Blastoderm

Tags: Embryonic Development |

19 Go

Q:

A human embryo that did not develop mesoderm during gastrulation would result in early termination of the pregnancy. The embryo would be unable to develop which of the following?

A

nervous system

B

muscle tissue

C

skin

D

digestive tract

Tags: Embryonic Development |

20 Go

Q:

Morphogens are extracellular molecules that govern tissue development and specialization during morphogenesis. Which of the following experiments would NOT constitute support for the existence of morphogens?

A

Two cells on opposite ends of the morula are switched, causing no developmental difference.

B

A single cell is removed from the morula, causing the embryo to suffer a significant morphological deformity.

C

Creating blockers for hypothesized morphogen receptors causes tissue differentiation to stop.

D

Selective activation of developmental genes increases in frequency as the distance from a particular location in the embryo decreases.

Tags: Embryonic Development |

21 Go

Q:

Which of the following gives rise to the skeletal system?

A

Notochord

B

Mesoderm

C

Endoderm

D

Ectoderm

Tags: Embryonic Development |

22 Go

Q:

During human development, from which primary germ cell layers do skin and the peripheral nervous system develop?

A

mesoderm only

B

mesoderm and ectoderm

C

ectoderm only

D

ectoderm and endoderm

Tags: Embryonic Development |

23 Go

Q:

The notochord is derived from the:

A

endoderm.

B

ectoderm.

C

mesoderm.

D

exoderm.

Tags: Embryonic Development |

Subscribe


Connect

Questions? We're here to help!

Ask Us