Question

activity 4

WA LM (100x) Activity 3: Tracing the flow of Lymph through the Body 1. The smallest of the lymphatic vessels, are blind-ended sacs that take in excess tissue fluid at capillary beds and transport it to larger lymph 2. Name the four paired lymph trunks. 3. The thoracic duct begins as an enlarged sac called the 4. The lymph ducts return lymph to the venous circulation at the junction of which two veins on either side of the body? 24 Activity 4: Using a Pregnancy Test to Demonstrate Antigen-Antibody Reactions 1. In an ELISA, a. the primary antibody binds to which molecule? b. the enzyme is attached to which molecule? c. the final step is the addition of which molecule? d. the secondary antibody binds to which molecule? 2. In a positive pregosncy test, which antigen is detected in urine? PART I. Partiorg It All Together A. Review Questions Answer the following questions using your lecture notes, your textbook, and/or your lab notes. 1. To which two organ systems does the thymus belong? 534_UNIT 24 | The Lymphatic System

Answer 1

1.
The smallest of the lymphatic vessels, LYMPHATIC CAPILLARIES are blind ended sacs that
take in excess tissue fluid at capillary beds and transport it to larger lymph.

2.The four paired lymphatic trunks are:
Jugular lymph trunks
Lumbar lymph trunks
Subclavian lymph trunks
Bronchomediastinal lymph trunk.

3.
the thoracic duct begins as an enlarged sac called CISTERNAE CHYLI.

4.
The lymph ducts return lymph to the venous circulation at the junction of THE INTERNAL JUGULAR VEINS and SUBCLAVIAN VeiNS.

activity4:
ELISA is a plate based assay used to detect proteins using specific antibodies.
a. ANTIGEN
b. SECONDARY ANTIBODY
c. SUBSTRATE

d. PRIMARY ANTIBODY

2.
In a positive pregnancy test, HUMAN CHORIONIC GONADOTROPHIN is detected in urine.

A.REVIEW question:
Thymus belong to lymphatic as well as endocrine system.

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