Infection Questions – 100% Correct,
Expert Verified Answers with A+
Grade Assurance
what are 4 routes of entry that microorganisms can take to cause disease
ANSW ✔✔ 1. through the skin
2. through the GI tract
3. through the lungs (inhalation)
4. through the urinary system
the skin has a __________ epidermis ANSW ✔✔ keratinized, providing
protection from microorganisms
what are 3 substances on the skin that protect us from microorganisms ANSW
✔✔ 1. defensins
2. cathelicidins
3. fatty acids
what are cathelicidins ANSW ✔✔ they are antimicrobial peptides
of the GI tract, stomach ___________ protect us from infection ANSW ✔✔
acids
what 6 things of the GI tract protect us from infection ANSW ✔✔ 1. mucus
layer
2. defensins
3. pancreatic enzymes
, 4. peristalsis
5. IgA
6. normal flora
what 2 things must occur for GI infections to happen ANSW ✔✔ 1. defenses
must be weakened (ex: candida)
2. pathogens must evade local defenses (ex: noravirus)
accidentally ingesting ____________ material in your food can cause infection
ANSW ✔✔ fecal
microorganisms enter the respiratory tract via what ANSW ✔✔ inhalation
infections/disease occur in the respiratory tract when __________ are
impaired ANSW ✔✔ defenses. for example, there could be impaired cilia in
cystic fibrosis
what do microorganisms attach to/enter when they are inhaled into the lungs
ANSW ✔✔ epithelial cells (example of this happening is influenza)
damage to the endothelium of the respiratory tract and entry by
_______________ would cause pneumonias ANSW ✔✔ superbugs
when the microorganisms inhaled into the respiratory tract have resistance to
being killed by phagocytosis, what is this called ANSW ✔✔ mycobacterium
tuberculosis
what is micturition ANSW ✔✔ pissin