Chapter 16

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

Cellulitis is a condition

caused by a fast-spreading infection in the dermis. that causes pain and redness. that can include the swelling of the area.

Lymphangitis, red lines leading away from an infected area, is associated with

cellulitis.

17. A child with pus-filled vesicles and scabs on his face, throat, and lower back most likely has __________, caused by a herpesvirus infection.

chickenpox

Which of the following is not a characteristic of Streptococcus

coagulase-positive

German measles infection during the first trimester of pregnancy may result in

congenital rubella syndrome

The ___________ is the thin membrane-like tissue that covers most of the eye.

cornea

Ringworm is caused by

cutaneous mycoses.

White, fuzzy colonies that produce conidiospores are cultured from the scrapings of a patient's scaly skin. This indicates ________.

cutaneous mycosis

Athlete's foot is called

tinea pedis.

Which of the following diseases can be treated effectively with antibiotics?

trachoma

All of the following are characteristics of the varicella-zoster virus

vesicular skin rash transmission via the respiratory route reactivation infections decades after initial infection latent infection in nerve cells

Which of the following is responsible for severe birth defects if contracted during pregnancy?

Rubella

A "teenage disease" called ____produces gram-positive rods isolated from pus-filled cysts on the face and upper back.

acne

All of the following diseases are caused by Staphylococcus aureus except ________.

acne

All of the following skin diseases are caused by viruses except which one?

acne

Microscopic examination of scrapings from a patient's scabies rash will show ________.

an animal

Place the following infections in order of increasing tissue involvement and severity: (1) septicemia, (2) folliculitis, (3) furuncle.

2-3-1

The most common treatments for tinea are either penicillin or cephalosporin.

FALSE

Thrush in children and vaginitis in adults are caused by the fungal genus

Candida

Which of the following is/are the most common cause/s of neonatal conjunctivitis

Chlamydia trachomatis Neisseria gonorrhoeae

One key technique for separating S. aureus from other species of Staphylococcus is the catalase test.

FALSE.

Each of the following is commonly found among the normal microbiota of the skin except ________.

Enterococcus spp.

Coagulase-negative strains of Staphylococcus are not associated with human disease.

FALSE

Measles are often fatal in nonvaccinated children.

FALSE

Ocular trachoma is a chronic infection of the epithelial cells of the skin.

FALSE

Shingles is associated with a prior infection of measles.

FALSE

Measles usually result in oral lesions called

Koplik's spots.

Which of the following are characteristics of Streptococcus?

M proteins beta-hemolytic cocci gram-positive

All of the following cause conjunctivitis

Neisseria Pseudomonas Chlamydia Haemophilus

All of the following diseases are caused by Staphylococcus aureus

Pimples toxic shock syndrome scalded skin syndrome

All of the following cause conjunctivitis except ________.

Propionibacterium

Microscopic examination of scrapings from a patient's rash shows gram-negative rods. The etiology is ________.

Pseudomonas

Which one of the following is not caused by a herpesvirus

Smallpox

Penicillin is the most effective treatment for ________.

Streptococcus

Fifth disease is associated with "slapped-face" rash

TRUE

Impetigo can be caused by Streptococcus pyogenes, Staphylococcus aureus, or both.

TRUE

Infestations with lice are called pediculosis.

TRUE

Keratitis is a more serious eye infection than conjunctivitis and is often caused by herpes simplex viruses

TRUE

Smallpox has been eliminated from global populations.

TRUE

The entire epidermis is replaced every 25 to 45 days with new cells.

TRUE

You isolate gram-positive cocci from a patient with impetigo. What do you need to do next to identify the etiology?

a coagulase test

All of the following are characteristics of the varicella-zoster virus except ________.

benign skin growths

A 6-year-old girl was taken to the physician for evaluation of a slowly growing bump on the back of her head. The bump was a raised, scaling lesion 4 cm in diameter. A fungal culture of material from the lesion was positive for fungus. The girl's disease was:

dermatomycosis.

Three main categories of microorganisms reside on the skin. This includes all of the following

diphtheroids. micrococci. yeasts.

Three main categories of microorganisms reside on the skin. This includes all of the following EXCEPT

enterics.

Place the following in their proper order from external to internal.

epidermis, dermis, subcutaneous layer, muscle layer

You microscopically examine scrapings from a case of Acanthamoeba keratitis. You should expect to see ________.

eukaryotic cells

You microscopically examine scrapings from a case of Acanthamoeba keratitis. You expect to see:

eukaryotic cells.

Maculopapular rashes have

flat to slightly raised colored bumps

The etiologic agent of fever blisters is

human herpesvirus 1.

Warts are caused by

human papillomavirus

Exotoxin-mediated diseases include

impetigo, SSSS, gas gangrene

Rubella (German measles, or "little red") is a relatively minor disease, but because ___________, children are usually vaccinated against it.

it causes birth defects

Which of the following pairs match

leading cause of blindness—Chlamydia chickenpox—shingles HSV-1—Herpetic whitlow

A 12-year-old boy had a fever, rash, headaches, sore throat, and cough. He also had a macular rash on his trunk, face, and arms. A throat culture was negative for Streptococcus pyogenes. The boy most likely had:

measles.

The integument is composed of all the following EXCEPT

muscle

Each of the following is an example of a defensive property of mucous membranes except ________.

presence of IgM

MRSA is a serious concern in health care settings because it is

resistant to first- and second-line antibiotics. acquired in hospitals. acquired in community settings

Which of the following viral infections has a high incidence of causing fetal congenital defects?

rubella

Measles is also known as

rubeola.

Which of the following substances, although inhibitory to some pathogens, actually provides nutrients for other microorganisms, particularly those that can cause acne?

sebum

Microorganisms that produce the enzyme keratinase can grow on ________.

skin and hair

The normal biota of the eye most resembles the normal biota of the

skin.

The integument is composed of all the following

skin. hair. nails.

Human herpesvirus, also known as HHV-3, are associated with all of the following diseases EXCEPT

smallpox.

Which of the following is not an eye infection?

sty

Hair follicles have scent glands and ___________ glands, which produce _________ that reduces microbial infestation

sweat; low pH, salty fluids


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