First and secondary lines of defense

Question 1

Epidermis of skin forms a

Answer 1

physical barrier to entrance of microbes

Question 2

Mucous membranes inhibit entrance of

Answer 2

many microbes, but not as effective as intact skin

Question 3

Mucus function

Answer 3

Traps microbes in respiratory tract and digestive
canal

Question 4

The function of hair in nose is to

Answer 4

Filter out microbes and dust in nose.

Question 5

What is the function of cilia

Answer 5

Together with mucus, trap and remove microbes
and dust from upper respiratory tract.

Question 6

Lacriminal apparatus function (tears)

Answer 6

Tears dilute and wash away irritating substances
and microbes

Question 7

The functions of saliva is to

Answer 7

Washes microbes from surfaces of teeth and mucous membranes of mouth

Question 8

What is the function urine

Answer 8

Washes microbes from urethra

Question 9

Defecation and vomiting serve to

Answer 9

Expel microbes from body.

Question 10

Sebums forms protective acidic film over skin surface that

Answer 10

inhibits growth of many microbes

Question 11

Gastric juices function

Answer 11

Destroys bacteria and most toxins in stomach

Question 12

Vaginal secretions functions

Answer 12

Slight acidity discourages bacterial growth; flush
microbes out of vagina