Question 1
A surgeon opens her patient by cutting the integument parallel to the cleavage lines of the dermis (tension lines). This will result in ________.
◦ greater chance of infection
◦ less chance for infection
◦ slowed healing and grater scaring
◦ faster healing of the skin and less scaring
Question 2
A light skinned person may appear pink when they become over heated. The best explanation for this is ________.
◦ the blood vessels of the dermis have undergone vasodilation, bringing a greater volume of blood to the skin
◦ the melanocytes are responding to the heat of the sun and change the appearance of the skin with increased production
◦ the heart is pumping faster because the person was probably exercising
◦ blood flow has increased to the sweat glands in order to increased their metabolic activity
An overview of the two stages of photosynthesis: light reactions and the Calvin cycle
Pairs of heavy and light chains combine to form a Y-shaped molecule
moon light
Fire Pink
pupil light reaction
Interactions of Light and Matter