Chapter Questions
_____________ glands produce a lipid-rich substance that contains proteins and minerals and protects the skin.a. Sweatb. Mammaryc. Sebaceousd. Endocrine
Which layer of skin contains living cells, is vascularized, and lies directly above the hypodermis?a. the stratum corneumb. the dermisc. the epidermisd. the conjunctiva
Staphylococcus aureus is most often associated with beinga. coagulase-positive.b. coagulase-negative.c. catalase-negative.d. gram-negative
M protein is produced bya. Pseudomonas aeruginosab. Staphylococcus aureusc. Propionibacterium acnesd. Streptococcus pyogenes
___________ is a major cause of preventable blindness that can be reduced through improved sanitation.a. Ophthalmia neonatorumb. Keratitisc. Trachomad. Cutaneous anthrax
Which species is frequently associated with nosocomial infections transmitted via medical devices inserted into the body?a. Staphylococcus epidermidisb. Streptococcus pyogenesc. Proproniobacterium acnesd. Bacillus anthracis
Warts are caused bya. human papillomavirus.b. herpes simplex virus.c. adenoviruses.d. parvovirus B19.
Which of these viruses can spread to the eye to causea form of keratitis?a. human papillomavirusb. herpes simplex virus 1c. parvovirus 19d. circoviruses
Cold sores are associated with:a. human papillomavirusb. roseolac. herpes simplex virusesd. human herpesvirus 6
Which disease is usually self-limiting but is most commonly treated with ganciclovir if medical treatment is needed?a. roseolab. oral herpesc. papillomasd. viral conjunctivitis
Adenoviruses can cause:a. viral conjunctivitisb. herpetic conjunctivitisc. papillomasd. oral herpes
___________ is a superficial fungal infection found on the head.a. Tinea crurisb. Tinea capitisc. Tinea pedisd. Tinea corporis
For what purpose would a health-care professional use a Wood’s lamp for a suspected case of ringworm?a. to prevent the rash from spreadingb. to kill the fungusc. to visualize the fungusd. to examine the fungus microscopically
Sabouraud dextrose agar CC is selective for:a. all fungib. non-saprophytic fungic. bacteriad. viruses
The first-line recommended treatment for sporotrichosis is:a. itraconazoleb. clindamycinc. amphotericind. nystatin
Which of the following is most likely to cause an Acanthamoeba infection?a. swimming in a lake while wearing contact lensesb. being bitten by deerflies in Central Africac. living environments in a college dormitory with communal showersd. participating in a contact sport such as wrestling
The parasitic Loa loa worm can cause great pain when it:a. moves through the bloodstreamb. exits through the skin of the footc. travels through the conjunctivad. enters the digestive tract
A patient tests positive for Loa loa antibodies. What does this test indicate?a. The individual was exposed to Loa loa at some point.b. The individual is currently suffering from loiasis.c. The individual has never been exposed to Loa loa.d. The individual is immunosuppressed.
________ is commonly treated with a combination of chlorhexidine and polyhexamethylene biguanide.a. Acanthamoeba keratitisb. Sporotrichosisc. Candidiasisd. Loiasis
Fill in the BlankThe ________ is the outermost layer of the epidermis
Fill in the BlankThe mucous membrane that covers the surface of the eyeball and inner eyelid is called the ________.
Fill in the BlankA purulent wound produces ________.
Fill in the BlankHuman herpesvirus 6 is the causative agent of ________.
Fill in the BlankThe most common subcutaneous mycosis in temperate regions is ________.
Fill in the BlankEye worm is another name for ________.
Fill in the BlankThe ________ is the part of the eye that is damaged due to Acanthamoeba keratitis.
What is the role of keratin in the skin?
What are two ways in which tears help to prevent microbial colonization?
Which label indicates a sweat gland?
How are leukocidins associated with pus production?
What is a good first test to distinguish streptococcal infections from staphylococcal infections?
Compare and contrast bacterial and viral conjunctivitis.
What yeasts commonly cause opportunistic infections?
Explain why it is important to understand the normal microbiota of the skin.
Besides the presence or absence of ulceration, how do acute ulcerative and nonulcerative blepharitis differ?
What steps might you recommend to a patient for reducing the risk of developing a fungal infection of thetoenails?
Why might a traveler to a region with Loa loa worm have a greater risk of serious infection compared withpeople who live in the region?
What preventative actions might you recommend to a patient traveling to a region where loiasis is endemic?