Test-skin Flashcards
1
Q
- Light skinned races such as Caucasians have
A
Approximately the same number of melanocytes as races with darker skin NB 38
2
Q
- Where are new cells made the dermis or epidermis.
A
The dermis NB 35
3
Q
- What can you conclude from that your skin prevents harmful germs from entering your body?
A
Germs can enter your body through cuts and scrapes. NB 32
4
Q
- Your dead skin cells make what percent of dust in your house?
A
80% NB 32
5
Q
- The dependent variable in our experiment is illustrated by the
A
Bubbles NB 34
6
Q
- Catalase is not a
A
Pigment NB 34
7
Q
- The bundle of smooth muscles associated with hair follicles is called
A
Erector pili NB 35
8
Q
- Which of the following will help cool the body
A
Decreases production of sweat NB 39
9
Q
55. How many hydrogen peroxide molecules are in the above equation 2H2 O2 (l) O2 (g) 2H2O(l)
A
2
NB 34
10
Q
- Positive feedback controls mechanism are :
A
More rare than negative feedback mechanisms and tend to increase the original stimulus
NB 38
11
Q
- When the body temperature becomes abnormally high thermoregulation homeostasis is maintained by
A
A increase in sweat gland activity and an increase blood flow to the skin
NB 38
12
Q
- Which one of the following is NOT a primary function of the skin
A
Vitamin B production
NB 38
13
Q
- Which of these illustrates an example of positive feedback
A
None of these are positive feedback
NB 39
14
Q
A colored substance called helps to protect the skin from burning.
A
Melanin
NB 38
