What effect does the sympathetic nervous system have on the diameter of blood vessels?
A) vasodilation
B) no effect
C) vasoconstriction
D) vasodilation, then vasoconstriction
C
Anatomy & Physiology
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When an osteoblast becomes completely surrounded by its own matrix secretions it is referred to as an ________
A) osteogenic cell B) chondrocyte C) osteoclast D) osteocyte
Anatomy & Physiology
The long plateau in the action potential observed in cardiomyocytes is probably related with ________ staying longer in the cytosol.
A. K+ B. Ca2+ C. Na+ D. Cl- E. Na+, K+, and Ca2+
Anatomy & Physiology
The fluid contained in the nucleus is the ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
With which gland does the hypothalamus have a close anatomical and physiological relationship?
A.)pineal gland B.)pituitary gland C.)thyroid gland D.)adrenal gland
Anatomy & Physiology