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B.edelen B.edelen
wrote...
Posts: 372
Rep: 1 0
6 years ago
The nurse is reviewing the antibody-mediated immune response with a patient experiencing a first exposure to an antigen. What events should the nurse explain that occur in this immune response?
 
  Select all that apply.
  1. Antigen-binding fragment (Fab) decreases.
  2. An antigen begins the process of reaction.
  3. Memory B cells and plasma cells are cloned.
  4. T helper cells are stimulated.
  5. Cell division and differentiation occur.

Question 2

The nurse suspects that a patient is experiencing a local inflammatory response. What findings would support this conclusion?
 
  Select all that apply.
  1. temperature under 96.8F (36C)
  2. heat at the site of injury
  3. increased platelets
  4. edema
  5. functional impairment

Question 3

A patient comes to the emergency department complaining of dyspnea. Based on an analysis of the data provided, what should the nurse suspect is occurring with this patient?
 
  1. pancytopenia
  2. chronic bacterial infections
  3. a respiratory infection
  4. a hypersensitivity response

Question 4

A patient is prescribed to receive linezolid (Zyvox) 600 mg intravenously twice a day. The nurse receives the medication prepared as 600 mg/300 mL with directions to give over 120 minutes. An infusion set that administers 15 gtts/mL is available.
 
  How many drops of medication per minute should the nurse set this infusion to deliver?
 
  Record your answer rounding to the nearest whole number.

Question 5

A patient is receiving an aminoglycoside. Which findings should the nurse immediately report?
 
  Select all that apply.
  1. history of allergy to penicillins
  2. weight gain of 5 kg in 2 days
  3. symptoms of vertigo
  4. fluid intake below 2,000 mL/day
  5. new order for IV furosemide (Lasix)

Question 6

The nurse is reviewing data for a patient with a wound. Which type of precaution would the nurse identify as needed by this patient?
 
  1. contact
  2. droplet
  3. airborne
  4. reverse
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Replies
wrote...
6 years ago
The answer to question 1

Correct Answer: 2, 3, 5
The primary response begins with the initial encounter with an antigen. During initial exposure to an antigen, the antigen is bound to the antibody, which stimulates cell growth, division, and differentiation. Memory B cells and plasma cells are cloned after the initial encounter with the antigen. This allows for a faster reaction the second time the body encounters the antigen. The antigenantibody reaction includes a binding of the antigen (FAB). T cells take part in cellular immunity.

The answer to question 2

Correct Answer: 2, 4, 5
The signs of a local inflammatory response are warmth, edema, and functional impairment. The temperature may be increased or decreased in response to a systemic infection. The platelet response would be related to a systemic event.

The answer to question 3

Correct Answer: 4

The eosinophils (normal 14) and basophils (normal 0.51) respond in hypersensitivity responses. The lab values and dyspnea suggest a hypersensitivity response. Pancytopenia would be indicated by very low levels of the laboratory values. A respiratory or chronic bacterial infection would show increases in the WBC (normal 4,00010,000 per mm3), neutrophils (normal 5570), monocytes (normal 28), and lymphocytes (normal 2040).

The answer to question 4

Correct Answer: 38

The answer to question 5

Correct Answer: 2, 3, 5

Aminoglycosides are nephrotoxic. A sudden weight gain indicates possible kidney damage and should be immediately reported. Aminoglycosides are also ototoxic, especially combined with other drugs that can cause ototoxicity such as furosemide and ethacrynic acid. A history of allergy to penicillin would apply to cephalosporins. A patient on fluoroquinolones or sulfonamides must maintain a fluid intake of 2,000 to 3,000 mL/day.

The answer to question 6

Correct Answer: 1

A patient with an infected open wound must be placed under contact precautions to avoid cross-contamination with other patients and staff. Droplet and airborne precautions are not necessary as this is not a respiratory infection. Reverse isolation is for the patient who is immunocompromised.
B.edelen Author
wrote...
6 years ago
Thank you for your assistance, again and again
wrote...
6 years ago
My pleasure
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