correct answers
Fluid that is found outside the circulatory system and also outside cells
is
A. lymph.
B. plasma.
C. interstitial fluid.
D. intracellular fluid. Correct Answer-C. interstitial fluid.
These lymph system structures are designed to ensure that foreign cells
meet with lymphocytes. As such, they serve as outposts of the immune
system.
A. lymph nodes.
B. lymph capillaries.
C. lymphatic ducts.
D. lymphatic trunks. Correct Answer-A. lymph nodes.
Members of this kingdom are eukaryotic and unicellular. Some of them
are pathogenic.
A. Archaea
B. Bacteria
C. Protista
D. Fungi Correct Answer-C. Protista
,All of the following are part of the first line of defense of the immune
system EXCEPT
A. phagocytes
B. native bacteria
C. mucous membranes
D. intact skin Correct Answer-A. phagocytes
These leucocytes kill by "touch killing." They contact a foreign cell and
release perforins and they also cause apoptosis.
A. B cells
B. neutrophils
C. helper T cells
D. NK (natural killer) cells Correct Answer-D. NK (natural killer) cells
What are the three parts of the lymphatic system? Correct Answer-
lymph vessels/ lymphatics
lymph
lymph nodes
interstitial fluid Correct Answer-fluid in the tissues between cells
What are the functions of our lymphatic system? Correct Answer--
Transports lymph and "junk" from the tissues back to the cardiovascular
system.
, - Filters the lymph fluid in lymph nodes to destroy pathogens as part of
the immune system.
- Nourishes cells in the lymphatic system.
(Transport fats from the small intestine)
What are the jobs of the lymphatic vessels? Correct Answer-- The
lymphatic vessels provide a one-way system that carries lymph back
toward the heart
What are the types of lymphatic vessels? Correct Answer-- Lymph
vessels (lymphatics) include the lymphatic capillaries, collecting vessels,
(trunks,) and ducts.
Lymphatic capillaries are similar to blood capillaries, except: Correct
Answer-- they are very permeable (take up cell debris, pathogens, and
cancer cells) and
- they have endothelial cells that overlap to form one-way minivalves,
that are anchored by collagen filaments, to preventing their collapse
Lymphatic collecting vessels are similar to veins, except that they
Correct Answer-- have thinner walls, with more internal valves
- anastomose [uh-nas-tuh-mohz] more frequently
Right lymphatic duct drains Correct Answer-the right upper arm and the
right side of the head and thorax