Vasoconstriction Is Caused by ______ Stimulation of Vascular Smooth Muscle;

question 172

Multiple Choice

Vasoconstriction is caused by ______ stimulation of vascular smooth muscle; ______ stimulation of vascular smooth muscle causes vasodilation.

• A) decreased; increased
• B) parasympathetic; sympathetic
• C) sympathetic; increased
• D) parasympathetic; decreased
• E) sympathetic; parasympathetic

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Definitions:

Scouring Pads

Abrasive materials used for cleaning to remove tough dirt, stains, and material from surfaces without damaging them.

Mature Pollen Grain

The haploid male gametophyte phase of plants that contains the cells that will fertilize female ovules, enabling sexual reproduction.

Male Gametophyte

The haploid stage in the life cycle of plants that produces the male gametes or sperm cells.

Diploid Sporophyte

The phase in the life cycle of plants and some algae that has two sets of chromosomes and typically produces spores.