Elephantiasis Is an Infectious Disease in Which Blockage of the Circulatory

question 35

Multiple Choice

Elephantiasis is an infectious disease in which blockage of the circulatory system by microscopic,parasitic roundworms results in a dramatic swelling of the tissues in the lower half of the body.What region is most likely blocked by these small,thread-like worms?

• A)the left atrium of the heart
• B)a pulmonary artery
• C)lymphatic vessels and/or lymph nodes
• D)a carotid artery
• E)the superior vena cava

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Definitions:

Sympathetic Neurons

Nerve cells that are part of the sympathetic nervous system and involved in the body's involuntary responses to stress.

Propulsion

The act of driving or pushing forward, in biological contexts often referring to the movement of food through the digestive system.

Segmentation

The division of some animals and embryos into a series of repetitive segments, or a process of dividing data or objects into parts for analysis.

Accessory Organ

A supplementary organ that assists in the function of other organs within a system, such as the pancreas or gallbladder aiding in digestion.