Answers Graded A+
The right forearm of a client who had a purified signs of TB. This is known as which of the
protein derivative (PPD) test for tuberculosis is following types of infection?
reddened and raised about 3mm where the test a) active infection
was given. This PPD would be read as having b) primary infection
which of the following results? c) super infection
A) Indeterminate d) tertiary infection - ANSWER -a)
B) Needs to be redone
C) Negative Some people carry dormant TB infections that
D) Positive - ANSWER -C may develop into active disease. In addition,
primary sites of infection containing TB bacilli
This test would be classed as negative. A 5 mm may remain inactive for years and then activate
raised area would be a positive result if a client when the client's resistance is lowered, as when
was HIV+ or had recent close contact with a client is being treated for cancer. There's no
someone diagnosed with TB. Indeterminate isn't such thing as tertiary infection, and superinfection
a term used to describe results of a PPD test. If doesn't apply in this case.
the PPD is reddened and raised 10mm or more,
it's considered positive according to the CDC.
A client has active TB. Which of the following
symptoms will he exhibit?
A client with primary TB infection can expect to A) Chest and lower back pain
develop which of the following conditions? B) Chills, fever, night sweats, and hemoptysis
a) Active TB within 2 weeks C) Fever of more than 104*F and nausea
b) Active TB within 1 month D) Headache and photophobia - ANSWER -
c) A fever that requires hospitalization B)
d) A positive skin test - ANSWER -d)
Typical signs and symptoms are chills, fever,
A primary TB infection occurs when the bacillus night sweats, and hemoptysis. Chest pain may
has successfully invaded the entire body after be present from coughing, but isn't usual. Clients
entering through the lungs. At this point, the with TB typically have low-grade fevers, not
bacilli are walled off and skin tests read positive. higher than 102*F. Nausea, headache, and
However, all but infants and immunosuppressed photophobia aren't usual TB symptoms.
people will remain asymptomatic. The general
population has a 10% risk of developing active
TB over their lifetime, in many cases because of
a break in the body's immune defenses. The Which of the following diagnostic tests is
active stage shows the classic symptoms of TB: definitive for TB?
fever, hemoptysis, and night sweats. A
Chest x-ray
B
Mantoux test
A client was infected with TB 10 years ago but C
never developed the disease. He's now being Sputum culture
treated for cancer. The client begins to develop D
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, NUR 150 TB NCLEX Questions with 100% Verified
Answers Graded A+
Tuberculin test - ANSWER -C) D
He's a "tuberculin converter," which means he
The sputum culture for Mycobacterium has been infected with TB since his last skin test
tuberculosis is the only method of confirming the - ANSWER -D)
diagnosis. Lesions in the lung may not be big
enough to be seen on x-ray. Skin tests may be
falsely positive or falsely negative.
A client with a positive skin test for TB isn't
showing signs of active disease. To help prevent
the development of active TB, the client should
A client with a positive Mantoux test result will be be treated with isoniazid, 300 mg daily, for how
sent for a chest x-ray. For which of the following long?
reasons is this done? A
A 10 to 14 days
To confirm the diagnosis B
B 2 to 4 weeks
To determine if a repeat skin test is needed C
C 3 to 6 months
To determine the extent of the lesions D
D 9 to 12 months - ANSWER -D)
To determine if this is a primary or secondary
infection - ANSWER -C) Because of the increased incidence of resistant
strains of TB, the disease must be treated for up
If the lesions are large enough, the chest x-ray to 24 months in some cases, but treatment
will show their presence in the lungs. Sputum typically lasts for 9-12 months. Isoniazid is the
culture confirms the diagnosis. There can be most common medication used for the treatment
false-positive and false-negative skin test results. of TB, but other antibiotics are added to the
A chest x-ray can't determine if this is a primary regimen to obtain the best results.
or secondary infection.
A client with a productive cough, chills, and night
A chest x-ray should a client's lungs to be clear. sweats is suspected of having active TB. The
His Mantoux test is positive, with a 10mm if physician should take which of the following
induration. His previous test was negative. These actions?
test results are possible because: A
A Admit him to the hospital in respiratory isolation
He had TB in the past and no longer has it. B
B Prescribe isoniazid and tell him to go home and
He was successfully treated for TB, but skin tests rest
always stay positive C
C Give a tuberculin test and tell him to come back
He's a "seroconverter", meaning the TB has in 48 hours and have it read
gotten to his bloodstream D
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