Question 1

Vitamin D

Accepted Answer

A)  stimulates calcium and phosphate uptake in the small intestine.
B)  is formed from a precursor molecule that is made when skin is exposed to ultraviolet light.
C)  is formed from a precursor molecule that is modified in the liver and kidneys.
D)  may be required in the diet if a person is exposed to very little ultraviolet light.
E)  has all of these properties.

Question 2

One type of experimental contraceptive device is a skin patch that contains a chemical absorbed through the skin.Which of the following substances would most likely be the type of chemical involved?

Accepted Answer

A)  a protein
B)  substances dissolved in water
C)  a steroid
D)  a carbohydrate
E)  either a protein or a carbohydrate or both together

Question 3

The type of glands that open on surface of skin and have a watery secretion are

Accepted Answer

A)  eccrine sweat glands.
B)  apocrine sweat glands.
C)  sebaceous glands.
D)  both eccrine and apocrine sweat glands.
E)  All glands of the skin have this property.

Question 4

-In the figure,the letter F best represents the

Accepted Answer

A)  epidermis.
B)  dermis.
C)  hypodermis.
D)  arrector pili muscle.
E)  hair follicle.

Question 5

Cleavage or tension lines

Accepted Answer

A)  are produced when there are more collagen fibers running in one direction than another.
B)  are lines along which the skin is most easily split.
C)  should always be cut across (transected) when incisions are made.
D)  are also called striae.
E)  have all of these characteristics.

Question 6

Which of the following functions of the integumentary system is NOT correctly matched with an example?

Accepted Answer

A)  sensation - pain,heat,cold,and pressure receptors in the skin
B)  temperature regulation - radiation and convection of heat from blood flowing in the dermis
C)  excretion - hydrogen ions are moved from the skin into the urine
D)  vitamin D production - active vitamin D is produced from a precursor molecule
E)  All of these are correctly matched. C

Question 7

The ___________ is the layer of the skin made of epithelial tissue and the __________ is composed of dense connective tissue.

Accepted Answer

A)  epidermis; dermis
B)  epidermis; hypodermis
C)  dermis; epidermis
D)  dermis; hypodermis
E)  hypodermis; dermis

Question 8

Fingerprints and footprints are produced by dermal projections into the epidermis called

Accepted Answer

A)  striae.
B)  cleavage lines.
C)  papillae.
D)  reticular lines.
E)  subcutaneous tissue.

Question 9

The type of glands that open into a hair follicle and produces sebum are

Accepted Answer

A)  eccrine sweat glands.
B)  apocrine sweat glands.
C)  sebaceous glands.
D)  both eccrine and apocrine sweat glands.
E)  All glands of the skin have this property.

Question 10

-The site of nail growth is at the structure labeled with the

Accepted Answer

A)  letter A
B)  letter B
C)  letter C
D)  letter D
E)  letter E

Question 11

The lunula is part of the

Accepted Answer

A)  nail body.
B)  eponychium.
C)  nail matrix.
D)  stratum corneum.
E)  nail root.

Question 12

The hypodermis

Accepted Answer

A)  is also called subcutaneous tissue.
B)  is loose connective tissue that attaches the skin to underlying bone and muscle.
C)  is important for padding and insulation.
D)  contains about half of the body's stored fat.
E)  has all of these characteristics. E

Question 13

Which of the following conditions is incorrectly paired with its symptoms

Accepted Answer

A)  Vitamin A deficiency - excess keratin deposits in skin leading to sand paper-like texture
B)  iron deficiency anemia - nails become flat or concave (spoon-like) 
C)  psoriasis - fungal infection causing circular scaly lesions
D)  cyanosis - bluish color of skin resulting from decreased blood oxygen content
E)  acne - inflammation of hair follicles and sebaceous glands

Question 14

Which of the following statements about glands of the skin is true?

Accepted Answer

A)  Sebaceous glands produce an oily white substance rich in lipids.
B)  Sebum is important in cooling the body.
C)  Eccrine sweat glands become active at puberty because of the influence of sex hormones.
D)  Eccrine sweat glands produce a thick secretion rich in organic substances.
E)  All of these are true.

Question 15

Which of the following is NOT a characteristic of aging of the integumentary system?

Accepted Answer

A)  loss of elastic fibers in the skin
B)  increase in activity of sweat and sebaceous glands
C)  decreased number of melanocytes
D)  loss of pigment in hair
E)  skin becomes thinner and more transparent

Question 16

To be safe and effective,sunscreen preparations should block

Accepted Answer

A)  UVA only.
B)  UVB only.
C)  both UVA and UVB.
D)  all forms of radiation other than UVA or UVB.

Question 17

Which one of the following is NOT a function of the integumentary system?

Accepted Answer

A)  protection against abrasion and UV light
B)  regulation of body temperature by controlling blood flow
C)  excretion of small amounts of waste products
D)  vitamin A production with exposure to UV light
E)  detection of heat,cold,pressure,and pain sensations

Question 18

Third-degree burns

Accepted Answer

A)  are also called partial thickness burns.
B)  cause immediate pain.
C)  involve only the epidermis.
D)  result in excessive fluid loss.
E)  have all of these characteristics.

Question 19

Which of the following helps in preventing the spread and growth of some types of skin cancer to other areas of the body?

Accepted Answer

A)  gap junctions
B)  basement membranes
C)  an avascular (with out blood vessels) epidermis
D)  gap junctions and basement membranes are correct
E)  basement membranes and an avascular (with out blood vessels) epidermis are correct. E

Question 20

A burn is an injury to a tissue caused by:

Accepted Answer

A)  exposure to excess heat
B)  exposure to excess cold
C)  friction
D)  exposure to chemicals
E)  all of the above

Exam 5: Integumentary System

Vitamin D

Correct AnswerverifiedShow Answer

One type of experimental contraceptive device is a skin patch that contains a chemical absorbed through the skin.Which of the following substances would most likely be the type of chemical involved?

Correct AnswerverifiedShow Answer

The type of glands that open on surface of skin and have a watery secretion are

Correct AnswerverifiedShow Answer

-In the figure,the letter F best represents the

Correct AnswerverifiedShow Answer

Cleavage or tension lines

Correct AnswerverifiedShow Answer

Which of the following functions of the integumentary system is NOT correctly matched with an example?

Correct AnswerverifiedC

The ___________ is the layer of the skin made of epithelial tissue and the __________ is composed of dense connective tissue.

Correct AnswerverifiedShow Answer

Fingerprints and footprints are produced by dermal projections into the epidermis called

Correct AnswerverifiedShow Answer

The type of glands that open into a hair follicle and produces sebum are

Correct AnswerverifiedShow Answer

-The site of nail growth is at the structure labeled with the

Correct AnswerverifiedShow Answer

The lunula is part of the

Correct AnswerverifiedShow Answer

The hypodermis

Correct AnswerverifiedE

Which of the following conditions is incorrectly paired with its symptoms

Correct AnswerverifiedShow Answer

Which of the following statements about glands of the skin is true?

Correct AnswerverifiedShow Answer

Which of the following is NOT a characteristic of aging of the integumentary system?

Correct AnswerverifiedShow Answer

To be safe and effective,sunscreen preparations should block

Correct AnswerverifiedShow Answer

Which one of the following is NOT a function of the integumentary system?

Correct AnswerverifiedShow Answer

Third-degree burns

Correct AnswerverifiedShow Answer

Which of the following helps in preventing the spread and growth of some types of skin cancer to other areas of the body?

Correct AnswerverifiedE

A burn is an injury to a tissue caused by:

Correct AnswerverifiedShow Answer

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C

The _ is the layer of the skin made of epithelial tissue and the is composed of dense connective tissue.

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E

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E

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