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pinkplatypus387Lv1

28 Sep 2019

a 13 year old male is taken to his pediatrician after experiencing fever, malaise, and anorexia followed by tender swelling of his parotid glands. which of the following is most likely complication to occur in this patient?

A. Guillsnin-Barre Syndrome

B. B. Hemorrhage

C. C. Myocarditis

D. Oophoritis

E. Orchitis

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Reid WolffLv2

28 Sep 2019

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If someone can please help me, I have answers for this assignment. I just want to make sure they are correct...

1. A 12-year-old male whose family recently emigrated from eastern Europe presents to the emergency room with a fever of 103.5F, a swollen neck, difficulty breathing, and grayish-white membranes in the oropharynx. Cultures were taken from the pharynx and the bacteria were found to be Gram-positive rods with metachromatic granules. The toxin produced by this bacterium has which of the following mechanism of action?

A. Pertussis toxin inhibits the G protein Gai via ADP Ribosylation

B. Overactivates guanylate cyclase

C. Inactivates the 60S ribosomal subunit

D. Inactivates elongation factor 2

E. Cleaves SNARE proteins

2. A 6-year-old male who recently immigrated to the United States from Asia is admitted to the hospital with dyspnea. Physical exam reveals a gray pseudomembrane in the patient's oropharynx along with lymphadenopathy. The patient develops myocarditis and expires on hospital day 5. Which of the following would have prevented this patient's initial infection?

A. Increased CD4+ T cell count

B. Secretory IgA against viral proteins

C. Increased IgM preventing bacterial invasion

D. Circulating IgG against AB exotoxin

E. Improved IgE release from mast cells

3. A 3-year-old male is brought to the ER with a sore throat and fever. Examination of the pharynx reveals a dark, inflammatory exudate. Cysteine-tellurite agar culture produces black, iridescent colonies. Microscopic features of the causal organism most likely include which of the following?

A. Serpentine growth patterns

B. Metachromic granules

C. Lancet-shape

D. Long, branching filaments

E. Kidney-bean shaped rod

4.What treatment would you recommend for the above patients who did not expire?

A. Erythromycin and/or Penicillin

B. Kanamycin

C. Ampicillin

D. Fluid and Bedrest

turquoisekangaroo303

A patient is unconscious and buried to the midchest in a muddy ditch. When attempting to ventilate. You should suspect

Tidal volume

Compliance

Resistance

Minute volume

As the diaphrahm and intercostal muscles relax, the chest cavity

Decreases in size, causing exhalation

Increases in size, causing inhalation

Decreases in size, causing inhalation

Increases in size causing exhalation

An adult has an airway obstruction. What is most likely the cause

Foreign body

Food

Vomitus

tongue

which patient would be classified as âimmediateâ during MCI?

A 25 year old with open fibula fracture and a GCS of 14

A 75 year old female with cool, pink, diaphoretic skin

A 40 year old male with a respiratory rate of 32 and unstable pelvis

An 8 year old female with no respirations after 5 positive pressure ventilations

An adult is breathing at a rate of 6 breaths per minute. You should

Apply supplemental oxygen via nasal cannula

Closely monitor the patientâs respirations.

Ventilate the patient via bag-valve mask

Apply high concentration oxygen via nonrebreather mask.

A 56 year old female is struggling to breathe and has audible wheezes. She is unable to hold up her head or follow commands. What should you do.

Place her in a supine position and assist her ventilation

Obtain a baseline set of vitals and a pulse oximetry reading

Insert a nasopharyngeal airway and apply a non-rebreather mask

Visually inspect the airway for foreign body obstructions

A 20 year old female is unable to catch her breath. After a minor car crash. She has numbness in and tingling to her hands and face. Vital signs are P118, R24

Insert an OPA

Apply high-flow oxygen by non-rebreather mask

Give her a paper bag to breathe into

Assist her ventilations with a bag-valve mask

A 34 year old man is saying he is choking. You note stridor and hoarseness in his voice

Suction the airway

Perform abdominal thrusts

Assist him in self- administering his inhaler

Encourage him to cough

A 28 year old patient is experiencing dyspnea and wheezing. Which medication should you request from medical control?

Epinephrine auto-injector

Albuterol inhaler

Sublingual nitroglycerin

High-flow oxygen

An 18 year old febrile patient complains of malaise for several days. He is taking an oral antibiotic for an upper respiratory infection. Vital signs are bp 128/72, P118 and weak, R22 with rhonchi

Bronchitis

Sepsis

Pneumonia

Tuberculosis

1. If you were bitten by a dog, which of the following organisms could be found as a potential pathogen in the resulting wound?

a. Bartonella henselae

b. Afipia spp.

c. Capnocytophaga canimorsus

d. Capnocytophaga ochracae

2. Which of the following tests/characteristics will differentiate Pasteurella and Capnocytophaga?

a. Indole

b. Oxidase

c. Origin of infection

d. Both a and b

3. Your newly acquired kitten can potentially transmit all of the following organisms except

a. Bartonella henselae.

b. Capnocytophaga gingivalis.

c. Pasteurella multocida.

d. Afipia felis.

4. Bartonella spp. cause disease by infecting

a. red blood cells.

b. vascular endothelial cells.

c. the reticuloendothelial system.

d. all of the above.

e. a and b.

5. A homeless 33-year-old male presents to the emergency room with fever, splenomegaly, and bone and joint pain. As the patient changes into a hospital gown, the nurse gathers his clothing and notices the presence of lice. Given this history, which Bartonella species could be a potential causative agent?

a. B. quintana

b. B. henselae

c. B. bacilliformis

d. B. elizabethae

6. Which of the following individuals is most prone to infection with Bartonella henselae?

a. 28-year-old male, visiting the United States from Ecuador, presenting with acute fever and anemia

b. 7-year-old female, who was bitten by a feral kitten, presenting with swollen axillary lymph nodes

c. 20-year-old homeless male with persistent fever and bone, joint, and muscle pain

d. 37-year-old HIV-positive male with fever, chills, anorexia, weight loss. and large skin lesions

7. The human oral isolates of Capnocytophaga can be distinguished from the dog and cat oral isolates by being

a. oxidase positive and catalase positive.

b. oxidase positive and catalase negative.

c. oxidase negative and catalase positive.

d. oxidase negative and catalase negative.

8. Which of the following organisms is/are slow growing and require(s) a carbon dioxide-rich environment?

a. Pasteurella spp.

b. Bartonella spp.

c. Capnocytophaga spp.

d. a and c

e. b and c

9. A physician suspects his patient has an infection due to Bartonella spp. She calls the microbiology department for the specimen of choice for diagnosis. You advise her that the diagnosis is best made using

a. culture of blood.

b. culture of blood vessel tissue.

c. serum for IFA or EIA.

d. a and b.

10. A gram-negative coccobacillus that grows on sheep blood and chocolate agars but not MacConkey agar, is oxidase and catalase positive, and emits a musty odor will be

a. indole positive.

b. a swarming colony.

c. a yellow-orange pigmented colony.

d. normal oral flora of humans.

11. An oxidase and catalase positive, motile, fusiform gram-negative rod is isolated from a dog bite wound. Select the medium and atmosphere where it will grow.

a. sheep blood agar in ambient air.

b. chocolate agar in carbon dioxide.

c. MacConkey agar in carbon dixode.

d. a and b.

12. Which of the following organisms is slow growing and can take up to seven days to exhibit visible growth on subculture even in carbon dioxide?

a. Pasteurella multocida

b. Capnocytophaga canimorsus

c. Bartonella henselae

d. Both a and b

e. Both b and c

13. A 49-year-old male with AIDS presents with fever, sepsis, and disseminated intravascular coagulation. Blood cultures drawn demonstrate a fusiform gram-negative rod after five days of incubation. The organism grows on sheep blood and chocolate agars after 48 hours incubation in a carbon dioxide atmosphere. It proves to be oxidase and catalase positive. What information in the patient history could help correlate the source of this organism with its identification?

a. Recent travel history

b. History of alcoholism or homelessness

c. History of exposure to animals

d. Recent dental manipulation

14. A veterinarian presents with a purulent hand wound. The direct Gram stain reveals a gram-negative coccobacillus. On culture, the organism grows on sheep blood and chocolate agars in CO₂ but not on MacConkey agar. Which of the following profiles can be used to presumptively identify this organism?

a. A yellow, spreading colony that is oxidase and catalase positive and indole negative

b. A flat gray colony that is oxidase, catalase, and indole positive

c. A small, dry embedded colony that is oxidase, catalase, and indole negative

d. An orange spreading colony that is oxidase positive, catalase negative, and indole positive

15. A previously healthy 5-year-old female presents with swollen axillary lymph nodes and fever. The physician notes multiple scratches and papules on her hands and arms. The mother reveals they had adopted a new kitten about two weeks ago, and it had scratched the child numerous times. She said she cleaned and treated the scratches with hydrogen peroxide immediately after each occurrence. Using the information provided, this infectious disease state requires

a. No antibiotic therapy because the infection will resolve on its own

b. Confirmation using a biopsy and culture of the lymph nodes is required

c. Antibiotic therapy for adequate treatment

d. A culture of the kitten to determine the specific infective organism