Review Questions
1
.
What is a common method pathogens use to evade the immune response?
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rapid multiplication in the bloodstream
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formation of antibodies
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continuous mutation
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direct attack on immune cells
2
.
What part of the immune system is nonspecific and acts quickly at the first sign of infection?
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leukocytes
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innate immune response
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adaptive immune response
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skin
3
.
What type of WBC is most involved in parasitic infections and allergies?
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monocyte
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lymphocyte
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eosinophil
-
basophil
4
.
What acts as a barrier defense to protect the body from infection?
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hair follicles
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mucus membranes
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leukocytes
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bone marrow
5
.
What assessment finding would the nurse anticipate for a patient newly diagnosed with viral meningitis?
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constipation
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cough
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stiff neck
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sore throat
6
.
What is the most likely transmission route for hepatitis A?
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sexual contact
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hugging
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drinking contaminated water
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IV drug use
7
.
What laboratory value would be consistent with a diagnosis of HIV?
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WBC count of 5,400/uL
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CD4 cell count of 350 cells/mm3
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red blood cell count of 5.0 cells/μL
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potassium level of 3.5 mEq/mL
8
.
The nurse is caring for a patient with oral thrush. What underlying condition should the nurse consider testing the patient for?
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COVID-19
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chronic obstructive pulmonary disease
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eczema
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lupus
9
.
What kind of patient would be at risk for developing a fungal infection?
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a patient with a history of prostate cancer
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a patient with HIV
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a patient with an indwelling urinary catheter
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a patient with a history of hypertension
10
.
How does HIV infect a cell?
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It injects its DNA into the cytoplasm.
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It injects its RNA into the nucleus.
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It injects its RNA into the cytoplasm, where it is converted to viral DNA.
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It injects its DNA into the nucleus, where it is converted to viral RNA.
11
.
What is an appropriate intervention for the nurse to perform when caring for a patient with oral thrush?
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monitoring vital signs every 30 minutes
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administering antibiotics as ordered
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encouraging fluid intake to maintain hydration
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providing a high-fat diet
12
.
What is the main rationale behind repositioning patients with lower respiratory infections every 2 hours?
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preventing skin breakdown
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minimizing virus transmission
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facilitating lung expansion
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increasing activity tolerance
13
.
What abnormal laboratory value would be consistent with a diagnosis of hepatitis B?
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decreased alkaline phosphatase level
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elevated alanine aminotransferase level
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elevated WBC count
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decreased direct bilirubin level
14
.
What is a likely treatment option for a patient newly diagnosed with HIV?
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a combination of antiretroviral medications
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surgery to remove the infected cells
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a course of antibiotics
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regular radiation and chemotherapy
15
.
What is the primary purpose of using personal protective equipment when providing care for patients with COVID-19?
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encouraging visitors to allow the patient to rest
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ensuring the patient remains in a clean environment
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providing privacy for the patient
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limiting spread of the virus to other patients and staff
16
.
What finding would indicate that interventions for treating a patient with HIV have been successful?
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CD4 cell count <400/mm3
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negative for influenza
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nondetectable viral load
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WBC count of 14,000/mm3
17
.
The nurse is caring for a patient who reports a history of IV drug use. What type of hepatitis is the patient most likely to have, given that information?
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hepatitis A
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hepatitis C
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hepatitis D
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hepatitis E
18
.
What assessment findings would indicate improvement in a patient's condition following interventions for COVID-19?
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preference for prone positioning
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increased oxygen requirements
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decreased appetite and activity tolerance
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stable vital signs
19
.
What is the role of pharmacologic interventions in treating COVID-19?
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Paxlovid and Lagevrio are typically used for mild cases of COVID-19; Veklury is reserved for long-term management of symptoms.
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Pharmacologic intervention is not necessary for mild cases of COVID-19, which usually resolve with rest and hydration.
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All patients with COVID-19, regardless of severity, are prescribed Veklury intravenously as the first-line treatment.
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The use of Paxlovid, Lagevrio, and Veklury is interchangeable and depends on patient preference.
20
.
What process contributes to bacteria becoming more resistant to antibiotics over time?
-
increased susceptibility to antibiotic effects
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accelerated development of new antibiotics
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enhanced communication between bacteria strains
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adapting to evade or destroy antibiotics
21
.
What clinical manifestation is commonly associated with MRSA infection?
-
weight loss
-
new-onset cough
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purulent drainage
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frequent urination
22
.
What is a key principle emphasized in antibiotic stewardship guidelines developed by the CDC?
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prescribing broad-spectrum antibiotics for all infections
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administering antibiotics for all urinary tract infections
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tailoring antibiotic therapy to specific organisms
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allowing patients to stop antibiotic treatment when symptoms improve
23
.
The nurse is providing education about a newly prescribed antibiotic to a patient. What point about the prescription should the nurse emphasize in the teaching?
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“You can stop taking your antibiotic when you feel better.”
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“If your spouse develops the infection too, you can give them some of your medicine.”
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“Keep any unused pills just in case you develop another infection later.”
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“Make sure you take all the prescribed pills as directed.”
24
.
What is a key factor that increases the risk of adverse drug events from antibiotic use in older adults?
-
decreased susceptibility to infections
-
drug interactions due to polypharmacy
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increased adherence to medication regimens
-
enhanced immune response to antibiotics
25
.
What is a factor that increases the risk for developing a C. diff infection?
-
consumption of probiotic-rich foods
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regular exercise regimen
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recent discharge from the hospital
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history of seasonal allergies
26
.
What is an effective measure for preventing transmission of secondary infections in health-care settings?
-
routine use of antiviral medications
-
timely administration of broad-spectrum antibiotics
-
proper hand hygiene and glove use
-
placement of patients on airborne precautions
27
.
What is a priority nursing intervention when caring for a patient with suspected C. diff infection?
-
administering prophylactic antibiotics
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encouraging bed rest to conserve energy
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providing IV fluids for hydration
-
collecting a stool sample for laboratory testing
28
.
What is a primary consideration when implementing isolation precautions for a patient with C. diff infection?
-
wearing gloves and gown upon entering the patient's room
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ensuring adequate ventilation in the patient's room
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placing the patient in a negative-pressure isolation room
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restricting all visitors from entering the patient's room