UPDATED QUESTIONS AND CORRECT
ANSWERS
functions of lymphatic system - CORRECT ANSWERS✅✅fluid recovery, immunity, lipid
absorption
lymph nodes - CORRECT ANSWERS✅✅gatherings of lymphocytes
functions of lymph nodes - CORRECT ANSWERS✅✅surveillance of bacteria throughout
the lymphatic system
description of lymph - CORRECT ANSWERS✅✅colorless fluid similar to plasma, but
lower in protein
in which direction does lymph flow? - CORRECT ANSWERS✅✅unidirectional--from
tissues to central circuit system
purpose of antibodies - CORRECT ANSWERS✅✅produced to neutralize/remove antigens
(foreign substances)
lymphatic cells - CORRECT ANSWERS✅✅T lymphocytes, B lymphocytes, Macrophages,
Langerhans cells in skin
examples of nonspecific resistance - CORRECT ANSWERS✅✅skin, acid in the stomach,
other general protective mechanisms
specific immunity - CORRECT ANSWERS✅✅being exposed to a specific antigen/disease;
your immune system remembers it and produces antibodies to combat the disease before you
get sick
nonspecific resistance - CORRECT ANSWERS✅✅*does not* depend on prior exposure
, -involves leukocytes and macrophages
specific resistance - CORRECT ANSWERS✅✅depends on prior exposure
-involves lymphocytes
function of saliva - CORRECT ANSWERS✅✅washes microbes off
function of lacrimal apparatus - CORRECT ANSWERS✅✅washes eye
function of urine - CORRECT ANSWERS✅✅gets rid of bacteria
function of ciliary escalator - CORRECT ANSWERS✅✅microbes trapped in mucus are
transported away from the lungs
what is the basis for utility of probiotics? - CORRECT ANSWERS✅✅normal microbiota
compete with pathogens
most abundant white blood cell - CORRECT ANSWERS✅✅Neutrophils
action of neutrophils - CORRECT ANSWERS✅✅phagocytosis
action of lymphocytes - CORRECT ANSWERS✅✅involved in specific immunity
phagocytosis - CORRECT ANSWERS✅✅ingestion of microbes or particles by a cell
effect of HIV during phagocytosis - CORRECT ANSWERS✅✅it inhibits T helper cells and
inhibits the fusion of the phagosome with a lysosomes
effect of staphylococcus aureus - CORRECT ANSWERS✅✅kills phagocytes: leukocidins