Deck 22: Drugs to Treat Skin Conditions

Question 1

Which of the following is NOT true of medications used on the skin?

A) Skin protectives form a film on the skin to prevent maceration and drying.
B) Scabicides and pediculicides contain lindane and Malathion for the treatment of animal parasites such as lice and scabies.
C) Minoxidil is used for baldness, and it should be applied to the hair every 3 days.
D) All household members, excluding sexual contacts, must be treated at the same time with pediculicides and scabicides.
E) Fluorouracil is used for actinic keratosis and superficial basal cell carcinomas. This medication irritates the skin, causing tissue disintegration, necrosis, and ulceration.

Answer 1

Fluorouracil is used for actinic keratosis and superficial basal cell carcinomas. This medication irritates the skin, causing tissue disintegration, necrosis, and ulceration.

Question 2

Which of the following is NOT true of topical corticosteroids?

A) They are used over short periods of time to relieve inflammation and pruritus of skin lesions without the toxicity found with systemic steroids.
B) They are used for contact dermatitis, insect bites, minor burns, eczema, and psoriasis.
C) They are available by prescription and OTC.
D) They should be applied thickly so that the medication will stay in contact with the lesion for a longer period of time.
E) They should be used with care for diaper rash because of the danger of systemic absorption.

Answer 2

They should be applied thickly so that the medication will stay in contact with the lesion for a longer period of time.

Question 3

Water-based medications are better absorbed through well-hydrated skin.

Answer 3

True

Question 4

Which of the following is NOT true about skin preparations?

A) Emollients are fatty or oily substances that are used on irritated skin or mucous membranes.
B) Skin preparations are used on a daily basis.
C) Emollients are always used to soothe and do not contain medications.
D) Lotions are liquids that have an insoluble powder or suspension used for a soothing effect.
E) Rubs and liniments are for the relief of pain and should be used on intact skin.

Question 5

Common symptoms of skin disorders include all of the following EXCEPT

A) erythema and inflammation
B) dermatologic lesions or eruptions
C) pruritus and hives
D) fever and eschar
E) pain and edema

Question 6

Fat-soluble drugs are more readily absorbed and excreted through the skin, while water-soluble skin preparations are absorbed deeper and excreted more slowly.

Question 7

In applying topical antivirals, gloves should be worn to prevent spreading the virus.

Question 8

Which of the following is NOT true of medications for seborrheic dermatitis?

A) They may cause skin irritation, alopecia, and discoloration of the hair.
B) Antifungals may be used as shampoos for seborrheic dermatitis.
C) They are available OTC and by prescription.
D) They routinely contain a topical antibiotic.
E) Zinc and selenium are the agents found in most medications for seborrheic dermatitis.

Question 9

Which of the following statements is NOT true of prophylactic agents?

A) Some drugs, such as tetracycline and sulfonamides, increase the possibility of photosensitivity, so sunscreens should be used when one is exposed to UV waves.
B) Sunscreens have no effect on premature aging or in precancerous conditions, although these products do prevent cancer.
C) SPF is the ratio between the exposure of UVR waves and the time required to cause erythema with or without sunscreen.
D) The higher the SPF, the longer it takes to develop a tan, but this allows the person to stay in the sun longer.

Question 10

The rate of medication absorption through the skin depends on which of the following?

A) the form of the drug
B) the size of the drug molecule
C) the base of the medication
D) b and c
E) all of the above

Question 11

Which of the following statements is NOT true about treatment of burns?

A) Topical sulfonamides are often used in the treatment of second-degree and third-degree burns.
B) Proteolytic enzymes are used to débride tissues of debris and exudates with burns.
C) Sulfonamides should be placed on tissue before débridement to soften the area, but this treatment has no antibacterial effect.
D) The allied health professional should check for patient drug allergies before applying any medication to a burn.
E) Sulfonamides used with burns are in a cream form.

Question 12

Skin cleansers are usually free of soap.

Question 13

Common side effects of medications for skin disorders include all of the following EXCEPT

A) loss of hair
B) thinning and dryness of skin
C) burning and pruritus
D) rashes
E) skin irritation

Question 14

Topical anesthetics are found in all of the following forms EXCEPT

A) creams and liquids
B) ointments and gels
C) foams and shampoos
D) aerosol sprays and solutions
E) otic and ophthalmic preparations

Question 15

Skin thinness in areas such as eyelids allows more rapid absorption of medications, while the palms of the hands and soles of the feet are thick and are almost impenetrable to medications.

Question 16

Which of the following is NOT true of skin preparations?

A) Baths cleanse the skin, lower body temperatures, and are used to administer medications.
B) Persons with oily skin should bathe less frequently.
C) Persons with dry skin should avoid medications in an alcohol base.
D) Soaps have a drying effect on the skin.
E) Friction is needed to cleanse the skin with soap.

Question 17

Topical antiinfectives are indicated in superficial wound therapy but are not indicated for deep penetrating wounds.

Question 18

Which of the following is NOT true of topical corticosteroid medications?

A) They should be spread on the affected area and beyond, and the area may be covered for greater absorption.
B) Care should be taken so that they do not come into contact with the eyes.
C) They should not be used on weeping or denuded areas.
D) They should be used for only short periods of time.
E) One should avoid sunlight on areas treated with corticosteroids.

Question 19

Topical preparations come in which of the following forms?

A) ointments and lotions
B) creams and gels
C) aerosol sprays
D) a and b
E) all of the above

Question 20

Topical medications should be applied to clean skin at regular intervals throughout the day.

Question 21

Vitamin A preparations are safe to use for treating acne during pregnancy.

Question 22

Most topical antiviral medications are applied only once a day.

Question 23

With skin conditions, topical corticosteroids are less likely to cause systemic responses.

Question 24

Most of the generic names for topical anesthetic agents end with "-caine."

Question 25

Some medications for acne will seem to exacerbate the acne before becoming effective.

Question 26

Topical creams and ointments for pediculosis should be applied to the affected area and left on for 12 hours, and then the area should be thoroughly washed.

Question 27

Shampoos for pediculosis capitis should be worked into the scalp for 4 minutes, shampooed, and then rinsed. Nits should be combed from the hair shafts. This procedure may be done as often as needed with no regard to time of last administration.

Question 28

Calamine lotion is the drug of choice for pruritus associated with chickenpox.

Question 29

Most soaps are a combination of acid preparations and oils.

Question 30

The skin is the first line of defense for preventing infections in the body.

Question 31

The risk of sunburn is increased with all topical medications.

Question 32

Occlusive dressings allow antifungals to remain in contact with the skin for a longer period of time, and these dressings increase the efficacy of the drug.

Question 33

In using corticosteroids, the best time to apply the medication for greatest absorption is after a shower.

Question 34

If an oral antihistamine is ordered for itching, it is permissible to use lotions containing an antihistamine also.

Question 35

Seborrheic dermatitis starts on the scalp and is characterized by yellowish, brownish-gray scales.

Question 36

Acne appears as papules, pustules, and comedones due to the increased secretion of sebum and the increased formation of keratin.

Question 37

Water-based cosmetics should be used with acne.

Question 38

Seborrheic dermatitis is found on the head, on the face, under the arms, on the chest, and in the anogenital area.

Question 39

Medications containing phenol and calamine are used for local itching.

Question 40

An occlusive dressing is appropriate for all wounds to keep them moist.

Question 41

Skin protectants are used to protect skin from chemical irritants.

Question 42

Malathion and lindane are used as scabicides and pediculicides.

Question 43

Oral contraceptives may be used to treat acne in females after menarche and those who have not responded to topical medications.

Question 44

Emollients may be lanolin or vitamin products.

Question 45

Antifungal medications may be stopped as soon as itching stops and lesions are no longer apparent.

Question 46

Vigorously rubbing calamine lotion on an area will help with the relief of itching.

Question 47

Gloves should be worn with application of topical antivirals to prevent spread of the virus.

Question 48

Topical antiinfectives may be used alone for superficial wound therapy.

Question 49

Rubs and liniments may be used on broken skin to ease aches and pain of injury.

Question 50

Occlusive dressings should be used with corticosteroids to increase the absorption.

Question 51

Liniments produce heat so use of heating pads and hot water bottles are not to be used with application of these medications.

Question 52

Antifungal medications work rapidly.

Question 53

Topical medications for hydration should be applied when the skin is moist to increase absorption.

Question 54

Emollients smooth skin and are slightly alkaline to neutral in pH.

Question 55

Keratolytic agents are used for warts, calluses, and corns.

Question 56

If Cantharone, used to remove common warts, touches normal skin, the medication should be removed with acetone or alcohol immediately.

Question 57

Ointments are used for superficial wounds that do not need constant contact with the medication while creams are used for longer contact with the wound.

Question 58

Topical and systemic antibiotics are used to treat acne.

Question 59

Topical antifungals of the same strength are available both as OTC and prescription products.

Question 60

When applying keratolytic agents, soaking the area for treatment for 5 minutes before applying the drug may enhance the effect of the medication.

Question 61

Match the following terms with their descriptions below.
Agent that inhibits of retards growth of bacteria

A)bactericidal agent
B)disinfectant
C)bacteriostatic agent
D)keratolytic agent
E)antiseptic

Question 62

Match the following terms with their descriptions below.
Agent that causes or promotes the shedding of skin

A)bactericidal agent
B)disinfectant
C)bacteriostatic agent
D)keratolytic agent
E)antiseptic

Question 63

Match the following terms with their descriptions below.
Inactive agent that carries an active medicinal ingredient

A)vehicle
B)bath
C)emollient
D)skin cleanser
E)proteolytic enzyme

Question 64

Topical tetracyclines do not affect skin color but may stain fabrics.

Question 65

Benzoyl peroxide is the active ingredient in many topical medications for acne.

Question 66

Sunscreens are important for use with many medications because medications such as tetracycline cause photosensitivity.

Question 67

Match the following terms with their descriptions below.
Enzyme that helps to break down proteins into usable peptides

A)vehicle
B)bath
C)emollient
D)skin cleanser
E)proteolytic enzyme

Question 68

Match the following terms with their descriptions below.
Agent that decreases the number of microorganisms on inanimate objects

A)bactericidal agent
B)disinfectant
C)bacteriostatic agent
D)keratolytic agent
E)antiseptic

Question 69

Most topical medications should be applied to clean, dry skin.

Question 70

Match the following terms with their descriptions below.
Agent that is used to remove debris, bacteria, and waste products from skin

A)vehicle
B)bath
C)emollient
D)skin cleanser
E)proteolytic enzyme

Question 71

Match the following terms with their descriptions below.
Method of cleansing the body or its parts or to treat the body therapeutically

A)vehicle
B)bath
C)emollient
D)skin cleanser
E)proteolytic enzyme

Question 72

Match the following terms with their descriptions below.
Agent that kills bacteria

A)bactericidal agent
B)disinfectant
C)bacteriostatic agent
D)keratolytic agent
E)antiseptic

Question 73

Water-based cosmetics are fine to use with acne products based with benzoyl peroxide.

Question 74

Topical medications should be applied at regular intervals for the best therapy to occur.

Question 75

Match the following terms with their descriptions below.
Agent that softens and soothes the surface to which it is applied, usually the skin

A)vehicle
B)bath
C)emollient
D)skin cleanser
E)proteolytic enzyme

Question 76

Match the following terms with their descriptions below.
Agent that is capable of preventing or inhibiting the growth of pathogenic microorganisms on living tissue

A)bactericidal agent
B)disinfectant
C)bacteriostatic agent
D)keratolytic agent
E)antiseptic

Question 77

Oil-based creams and cosmetics should not be used with benzoyl peroxide products.