ready to examine the:
a. retina.
b. lens.
c. retinal vessels.
d. macula.
e. optic disc
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, d. macula.
ANS: D The macula is the site of central vision and is observed when the
patient looks directly at the ophthalmoscope light.
The adipose tissue in the hypodermis serves to:
a. provide sensory input.
b. generate heat and insulate.
c. create tensile strength.
d. restrict water loss.
e. secrete collagen.
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b. generate heat and insulate.
ANS: B The hypodermis layer consists of adipose tissue that serves to
generate heat and to provide insulation, shock absorption, and a reserve of
calories.
Differential diagnoses belong in the:
a. history.
b. physical examination.
c. assessment.
d. plan.
e. laboratory data.
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, c. assessment.
ANS: C Differential diagnoses for problems that have not been diagnosed
are placed in the assessment category for each problem. The differentials
are prioritized, and contributing factors are identified.
Risk factors for skin cancer include:
a. an olive complexion.
b. repeated trauma or irritation to the skin.
c. a history of allergic reactions to sunscreen.
d. dark eyes and hair.
e. pigmented bands in the nails
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b. repeated trauma or irritation to the skin.
ANS: B Fair-skinned persons with light-colored eyes and repeated trauma
or skin irritation have higher risk factor for skin cancer development.
Pigmented bands in the nails are an expected finding in dark-skinned
individuals.
In patients with breast cancer, peau d'orange skin is often first evident:
a. in the axilla.
b. in the upper inner quadrant.
c. on or around the nipple.
d. at the inframammary ridge.
e. in the tail of Spence.
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c. on or around the nipple.
, ANS: C The areola is the most common initial site to visualize peau
d'orange skin.
A flat, nonpalpable lesion is described as a macule if the diameter is:
a. greater than 1 cm.
b. less than 1 cm.
c. greater than 2 cm.
d. too irregular to measure.
e. exactly 5 mm.
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b. less than 1 cm.
A macule by definition is a flat, circumscribed area that is less than 1 cm in
diameter. An example of a macular rash is measles.
To distinguish crackles from rhonchi, you should auscultate the lungs:
a. before and after the patient coughs
b. first at the lung base and then at the apex.
c. with the patient inhaling and then exhaling.
d. with the patient prone and then supine.
e. with the patient recumbent and then sitting.
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a. before and after the patient coughs
ANS: A To distinguish between crackles and rhonchi, ask the patient to
cough and auscultate again over the same area. Rhonchi, because they
represent secretions in larger airways, can clear with coughing.