Lymphatic System

Question 1

Lymphatic vessels collect

Answer 1

Fluid lost from vascular capillary beds during nutrient exchange processes and deliver it back to venous side of vascular system. Also collect pathogens, cells of the lymphocytic system, cell products (hormones, etc.) and cell debris

Question 2

Chylomicrons

Answer 2

Protein-coated lipid droplets of fats absorbed and processed by intestinal epithelium in small intestine. Released into interstitial compartment

Question 3

Lacteals

Answer 3

Lymphatic capillaries in small intestine

Question 4

Lymph

Answer 4

Fluid in most lymphatic vessels, clear and colorless

Question 5

Chyle

Answer 5

Opaque and milky fluid (due to chylomicrons) carried by lymphatic vessels from small intestine

Question 6

Lymph nodes

Answer 6

0.1-2.5 cm long, small encapsulated structures that interrupt the course of lymphatic vessels and contain elements of the body’s defense system. Function as elaborate filters and flow through them is slow.

Question 7

High risk sites for entry of foreign pathogens

Answer 7

Body’s surface, digestive system, or the respiratory system

Question 8

Palpable lymph node regions

Answer 8

Axilla, groin, femoral region, neck

Question 9

Lymphatic vessels that connect with veins on right side of neck drain

Answer 9

Right side of head and neck, right upper limb, right side of thorax, right side of upper and more superficial region of abdominal wall. (other regions drain to left side)