Question 1
Which of the following is NOT one of the signs of aging in the skin?
◦ increased collagen
◦ reduced fibroblasts
◦ increase in sweat glands
◦ less pigmentation in hair
◦ increased fat deposits
Question 2
Which of the following is NOT true concerning umbilical arteries?
◦ There are two of them.
◦ They carry oxygen-poor blood.
◦ They take blood from the fetus to the placenta.
◦ They are housed in the umbilical cord.
◦ They carry blood that is rich in nutrients.