If You Could Mark the Ectoderm of a Mouse Embryo

question 22

Multiple Choice

If you could mark the ectoderm of a mouse embryo so that all tissues and organs descended from ectoderm were easily identifiable, where would you expect to find the marker?

• A) skeletal muscles and dermis
• B) cardiovascular and reproductive systems
• C) nervous system and epidermis
• D) lining of the digestive and respiratory tracts
• E) urinary bladder and its lining

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Definitions:

Prehypertensive

A condition where an individual's blood pressure is elevated above normal but not yet high enough to be classified as hypertension.

Pulmonary Circulation

The part of the circulatory system that delivers blood to and from the lungs for oxygenation. Compare with systemic circulation.

Blood Flow

The movement of blood through the circulatory system of an organism, delivering oxygen and nutrients while removing waste products.

Correct Sequence

The arrangement of things in a particular, proper, or desired order, often applied to the arrangement of nucleotides in a DNA molecule or amino acids in a protein.