Unit 3 Exam

Mel says to a friend, "Your ceruminous glands are really productive today!" What has Mel MOST likely noticed about this friend?

• They are sweating a lot.

• Their ears look waxy.

• Their face appears oily.

• They have broken fingernails.

What is the MAIN commonality among the four types of skin glands?

• They are considered exocrine glands.

• They secrete sweat to keep the skin cool.

• They are found in equal proportions throughout the body.

• They contain basal and keratin cells.

Dante got a paper cut while opening an envelope, but it did not bleed at all. Which of these did Dante MOST likely injure?

• adipose tissue

• dermis

• epidermis

• hypodermis

Which statement BEST describes the skin of the armpits?

• It contains sudoriferous glands to help regulate body temperature.

• It contains ceruminous glands to keep skin dry.

• It contains sebaceous glands that produce sweat.

• It contains mammary glands that are found only under the arms.

About how long does it take for a new skin cell to mature and replace dead skin cells that have been shed?

• one month

• one day

• two weeks

• two years

Kiara just had a new baby. What is the MOST beneficial thing Kiara can do to provide for her newborn?

• Hold the baby without washing her hands so the baby’s microbiome is activated.

• Hold the baby skin-to-skin to trigger hormone production.

• Pat the baby’s back over a blanket to get her used to the feeling of clothes.

• Clean the baby once per hour to protect her from germs.

What is the MAIN purpose of vasoconstriction?

• to protect the body from germs

• to help filter harmful ultraviolet light

• to protect the body from heat loss

• to increase vitamin D production

After a soccer match on a hot day, Marcus feels dizzy and his mouth is dry. What is Marcus MOST likely experiencing?

• dehydration

• too much UV exposure

• vitamin D deficiency

• an infection

Carlos’s doctor tells him that his vitamin D levels are low. What will they MOST likely recommend for Carlos to increase his body's supply of Vitamin D?

• Use lotion that has more keratin in it.

• Sit in the sun for 15 minutes a day.

• Wear long sleeves when out in the sun.

• Refrain from exercise that makes you sweat excessively.

What BEST describes the function of melanin in the skin?

• It regulates electrolytes.

• It increases pigment production.

• It produces vitamin D.

• It absorbs harmful ultraviolet light.