Question 1

Third-degree burns
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.

Accepted Answer

Third-degree burns involve all layers of the skin, including the dermis and possibly even deeper tissues, resulting in excessive fluid loss. They are also known as full-thickness burns and do not typically cause immediate pain as nerve endings may be destroyed. Partial thickness burns, also known as second-degree burns, involve only the epidermis and sometimes parts of the dermis.

Question 2

Which type of glands help to cool the body?
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.

Accepted Answer

Eccrine sweat glands are responsible for thermoregulation and help to cool the body by producing sweat that evaporates on the skin surface, creating a cooling effect. Apocrine sweat glands are not involved in thermoregulation and are located in areas such as the armpits and groin. Sebaceous glands secrete sebum, an oily substance that helps to lubricate and waterproof the skin, but they do not play a role in cooling the body. Therefore, the correct answer is A) eccrine sweat glands.

Question 3

The type of glands that open into a hair follicle and have a thick organic secretion are
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.

Accepted Answer

Apocrine sweat glands open into hair follicles and produce a thick, organic secretion.

Question 4

-In the figure, the letter A best represents
A) a sweat gland.
B) a sebaceous gland.
C) the subcutaneous tissue.
D) an arrector pili muscle.
E) a hair follicle.

Accepted Answer

The answer of 
-In the figure, the letter A best...

Question 5

To be safe and effective, sunscreen preparations should block
A) UVA only.
B) UVB only.
C) both UVA and UVB.
D) all forms of radiation other than UVA or UVB.

Accepted Answer

Sunscreen preparations should block both UVA and UVB rays in order to provide broad-spectrum protection from harmful radiation. Blocking all forms of radiation other than UVA or UVB would be unrealistic and potentially harmful as some forms of radiation, such as visible light, are not harmful to the skin.

Question 6

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

Accepted Answer

Eccrine sweat glands are the type of glands that open on the surface of the skin and have a watery secretion. They are the most numerous type of sweat gland in the human body and are responsible for regulating body temperature through the evaporation of sweat. Apocrine sweat glands, on the other hand, open into hair follicles and produce a thicker, milky secretion. Sebaceous glands produce sebum, an oily substance that helps to lubricate and protect the skin and hair.

Question 7

The shaft is a structural component found associated with
A) hair (or hair follicle).
B) nails (or nail bed).
C) glands.
D) sensory receptors.

Accepted Answer

The shaft is a structural component found associated with hair or hair follicle.

Question 8

- In the figure, the letter B best represents the
A) cortex.
B) cuticle.
C) papilla.
D) arrector pili muscle.
E) medulla.

Accepted Answer

The answer of 
- In the figure, the letter B...

Question 9

Cyanosis is caused by
A) altered blood flow to the skin (overall or in small areas).
B) increased number of active melanocytes.
C) collection of abnormal pigment (not melanin) in the skin.
D) decreased oxygen content of blood.
E) increased production of melanin by normal number of melanocytes.

Accepted Answer

Cyanosis is a bluish discoloration of the skin and mucous membranes caused by decreased oxygen content in blood, leading to an increase in the proportion of reduced hemoglobin. This reduced hemoglobin gives the skin a bluish hue.

Question 10

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

Accepted Answer

Sebaceous glands are the glands that open into a hair follicle and produce sebum.

Question 11

-In the figure, the letter F best represents the
A) epidermis.
B) dermis.
C) subcutaneous tissue.
D) arrector pili muscle.
E) hair follicle.

Accepted Answer

The answer of 
-In the figure, the letter F best...

Question 12

Chef Buoy Yardee is burned on the arm when a kettle of spaghetti sauce explodes. The doctor, using a forceps, pulls on a hair within the area that is burned. The hair easily pulls out. What degree of burn did the patient have?
A) first degree burn
B) second degree burn
C) third degree burn

Accepted Answer

The hair easily pulling out indicates damage to the hair follicles, which are located in the dermis. This level of damage is characteristic of a third-degree burn, which affects the full thickness of the skin, including the dermis where the hair follicles are located.

Question 13

Jaundice is caused by
A) altered blood flow to the skin (overall or in small areas).
B) increased number of active melanocytes.
C) collection of abnormal bile pigment in the skin.
D) decreased oxygen content of blood.
E) increased production of melanin by normal number of melanocytes.

Accepted Answer

Jaundice is caused by the buildup of bilirubin, a yellow pigment that is produced when red blood cells break down. Normally, bilirubin is processed by the liver and excreted in the bile. However, if there is an issue with the liver or gallbladder, bilirubin can accumulate in the bloodstream and then deposit in the skin and other tissues, causing a yellowish appearance.

Question 14

Given that viruses are not affected by antibiotics, which of the following types of skin infection might be successfully treated with an antibiotic?
A) cold sores
B) chicken pox
C) acne
D) warts
E) All of these should respond favorably to antibiotic treatment.

Accepted Answer

Acne is caused by bacteria on the skin, primarily Propionibacterium acnes, which can be treated with antibiotics. Cold sores are caused by a virus, herpes simplex virus, which is not affected by antibiotics. Chicken pox is also caused by a virus, varicella-zoster virus, and cannot be treated with antibiotics. Warts are caused by the human papillomavirus (HPV) and are not typically treated with antibiotics.

Question 15

The ___________ is the layer of the skin made of epithelial tissue and the __________ is composed of dense connective tissue.
A) epidermis; dermis
B) epidermis; subcutaneous tissue
C) dermis; epidermis
D) dermis; subcutaneous tissue
E) subcutaneous tissue; dermis

Accepted Answer

The epidermis is the outermost layer of the skin, made of epithelial tissue, while the dermis lies beneath it and is composed of dense connective tissue. The other options are not correct because they either switch the order of the layers or include a layer that is not mentioned (subcutaneous tissue).

Question 16

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

Accepted Answer

Vitamin D, not vitamin A, is produced by the skin in response to UV light exposure. The integumentary system's functions include protection, temperature regulation, excretion, and sensation, but not vitamin A production.

Question 17

Which of the following statements is FALSE about the integument system?
A) The condition of the skin, hair and nails is affected by nutritional status.
B) Intact skin plays an important role in preventing water loss because its lipids act as a barrier to osmosis.
C) Keratin in the epidermis absorbs ultraviolet light and protects the underlying structures from its damaging effects.
D) Hair acts as a heat insulator and protective barrier.
E) Vitamin D stimulates the uptake of calcium and phosphate in the intestine.

Accepted Answer

Keratin in the epidermis does not absorb ultraviolet light, but it does provide protection against its damaging effects. It forms a physical barrier that helps prevent UV radiation from penetrating the underlying layers of the skin.

Question 18

The type of glands that lubricate skin and hair and protect against some bacteria are
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.

Accepted Answer

Sebaceous glands are responsible for producing sebum, an oily substance that lubricates the skin and hair and protects against some bacteria. Eccrine and apocrine sweat glands produce sweat, which helps regulate body temperature but does not have the same properties as sebum.

Question 19

Which of the following statements is true concerning skin cancer?
A) Basal cell carcinoma produces an open ulcer.
B) Squamous cell carcinoma often arises from a preexisting mole.
C) Squamous cell carcinoma arises from cells within the stratum basale.
D) Malignant melanoma poses little danger of metastasis.
E) All of these statements are true.

Accepted Answer

Basal cell carcinoma, the most common type of skin cancer, often appears as a raised, smooth, pearly bump on the sun-exposed skin of the head, neck, or shoulders. Sometimes small blood vessels can be seen within the tumor. Crusting and bleeding in the center of the tumor frequently develops. It is often mistaken for a sore that does not heal. This type of cancer is usually caused by long-term exposure to UV radiation from sunlight. It does not typically produce an open ulcer.

Question 20

Malignant melanoma
A) is the least dangerous form of skin cancer.
B) usually arises from melanocytes in a preexisting mole.
C) rarely metastasizes.
D) is the most common type of skin cancer.
E) is the least dangerous form of skin cancer and usually arises from melanocytes in a preexisting mole.

Accepted Answer

Malignant melanoma usually arises from melanocytes in a preexisting mole.

Quiz 5: Integumentary System

Third-degree burns

Which type of glands help to cool the body?

The type of glands that open into a hair follicle and have a thick organic secretion are

-In the figure, the letter A best represents

To be safe and effective, sunscreen preparations should block

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

The shaft is a structural component found associated with

- In the figure, the letter B best represents the

Cyanosis is caused by

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

-In the figure, the letter F best represents the

Chef Buoy Yardee is burned on the arm when a kettle of spaghetti sauce explodes. The doctor, using a forceps, pulls on a hair within the area that is burned. The hair easily pulls out. What degree of burn did the patient have?

Jaundice is caused by

Given that viruses are not affected by antibiotics, which of the following types of skin infection might be successfully treated with an antibiotic?

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

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

Which of the following statements is FALSE about the integument system?

The type of glands that lubricate skin and hair and protect against some bacteria are

Which of the following statements is true concerning skin cancer?

Malignant melanoma