Multiple Choice
Which type of blood vessel experiences the steepest drop in blood pressure as blood circulates through the body?
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40. Circulatory System
Circulatory and Respiratory Anatomy
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In circulatory and respiratory anatomy, what is a mass of blood that has accumulated within the tissues called?
A
Thrombus
B
Hematoma
C
Aneurysm
D
Embolus
Verified step by step guidance1
Step 1: Begin by understanding the definitions of the terms provided in the question. Each term represents a distinct condition or phenomenon related to circulatory and respiratory anatomy.
Step 2: Define 'Thrombus': A thrombus is a blood clot that forms in a blood vessel and remains attached to the site where it was formed. It does not refer to blood accumulation within tissues.
Step 3: Define 'Hematoma': A hematoma is a localized mass of blood that has accumulated outside of blood vessels, within tissues, due to trauma or injury. This matches the description in the question.
Step 4: Define 'Aneurysm': An aneurysm is a bulging or ballooning of a blood vessel wall due to weakness in the vessel. It does not involve blood accumulation within tissues.
Step 5: Define 'Embolus': An embolus is a detached blood clot or other material that travels through the bloodstream and can block blood flow in a vessel. It does not describe blood accumulation within tissues.
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