AP 2 MOD 6 exam 3

Front

The lymphatic system is involved in

Back

lipid absorption from the digestive tract.

Front

The lymphatic system plays a role in maintaining fluid balance within the body by

Back

returning interstitial fluid to the blood.

Front

Which of the following is NOT a function of the lymphatic system? Defending from infection caused by microorganisms and other foreign substances, Maintaining fluid balance by returning excess interstitial fluid to the blood, Absorbing and transporting lipids from the digestive tract

Back

Aiding in erythropoiesis of red blood cells

Front

The lymphatic system differs from the cardiovascular system in that

Back

the lymphatic system only carries fluid away from tissues.

Front

How do lymphatic capillaries differ from blood capillaries? Lymphatic capillaries do not have a basement membrane. Simple squamous epithelial cells of lymphatics overlap with loose attachments. Lymphatic capillaries are more permeable than blood capillaries. Lymphatic capillary epithelium act as one-way valves preventing movement of fluid back into interstitial spaces.

Back

All of the choices are correct.

Front

Lymph movement is assisted by: contraction of skeletal muscle, contraction of smooth muscle in lymph vessel, pressure changes in the thorax during respiration, compression of lymphatic vessels.

Back

All of the choices are correct.

Front

A woman has her right breast and right axillary lymph nodes removed. Which of the following might occur? Right lymphatic duct drainage decreases causing edema in the right arm.

Back

Right lymphatic duct drainage decreases causing edema in the right arm.

Front

Which of the following organs does NOT contain lymphatic tissue? Liver, Spleen, Lingual tonsils, Thymus, Pharyngeal tonsils

Back

Liver

Front

Bacteria and debris are actively removed from the lymph by_________ in the sinuses of lymph nodes.

Back

macrophages

Front

The spleen

Back

filters damaged red blood cells from the blood.