Platelets release __________, a chemical vasoconstrictor that contributes to the vascular spasm.


A. heparin
B. thrombin
C. thromboplastin
D. prostacyclin
E. serotonin


E. serotonin

Anatomy & Physiology

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The ________ muscle is the most active muscle of the pectoral girdle because it can move the scapula in nearly any direction.

A) levator scapulae B) deltoid C) rhomboid major D) trapezius E) latissimus dorsi

Anatomy & Physiology

The ion(s) or molecule(s) labeled E is (are)


A) CO2.
B) H2O.
C) O2.
D) H+.
E) 2H.

Anatomy & Physiology

The largest of the body membranes, commonly called the skin, is the ________ membrane.

A. serous B. cutaneous C. mucous D. synovial E. cartilaginous

Anatomy & Physiology

Chemicals secreted by white blood cells and macrophages exposed to foreign substances that can increase body temperature are called pyrogens

Indicate whether the statement is true or false

Anatomy & Physiology