In what way do mast cells participate in tissue defense?

a. antigen presentation bound to class II MHC proteins
b. secretion of suppression factors that inhibit the immune response
c. stimulation and coordination of inflammation by release of histamine and heparin
d. destruction of cell membranes containing abnormal antigens


Ans: c. stimulation and coordination of inflammation by release of histamine and heparin

Anatomy & Physiology

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The energy stored in a molecule's chemical bonds is a form of kinetic energy

Indicate whether this statement is true or false.

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Fast glycolytic fibers have:

a. resistance to fatigue. b. white color fibers c. high oxidative capacity d. many mitochondria. e. slow speed of contraction.

Anatomy & Physiology

Which of the following substances would most easily pass through the plasma membrane of a cell?

Water-soluble hormones Water Ions Steroid hormones Large organic proteins

Anatomy & Physiology

When a person steps on a piece of glass with their right foot, flexor muscles on the left leg and extensor muscles on the right leg will be stimulated to contract.

Answer the following statement true (T) or false (F)

Anatomy & Physiology