A nurse is assessing a client's peripheral circulation. In which of the following locations should the nurse palpate to assess the posterior tibial pulse? (Selectable areas, or "Hot Spots," are outlined in the artwork below. Select only the outlined area that corresponds to your answer.)
Iliac
Femoral
Popliteal
Tibial
The Correct Answer is D
A. The iliac pulse is located near the pelvis and is not used for assessing circulation in the lower extremities.
B. The femoral pulse is located in the upper thigh, not near the posterior tibial area.
C. The popliteal pulse is found at the back of the knee and is higher than the posterior tibial location.
D. The posterior tibial pulse is correctly located behind the medial malleolus on the inner side of the ankle. This location is where the posterior tibial artery is accessible and is commonly used to assess blood flow to the lower extremities.
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Correct Answer is A
Explanation
A. +4 pitting edema is characterized by severe pitting that creates a deep indentation (greater than 8 mm) that remains for a prolonged period. This description matches the findings in option
B. This describes +1 pitting edema, which is not consistent with +4 edema.
C. This option describes +2 or +3 pitting edema, as the indentation subsides rapidly, which does not align with +4.
D. Although this describes deep pitting, the depth is less than 8 mm, which is not consistent with +4 edema.
Correct Answer is C
Explanation
A. Metabolic alkalosis is characterized by a high pH and elevated bicarbonate levels, which is not present in these results.
B. Respiratory alkalosis would present with an increased pH and decreased PaCO2, which does not apply here.
C. The low pH (7.12) indicates acidemia, and the elevated PaCO2 (90 mm Hg) suggests hypoventilation and respiratory acidosis due to CO2 retention. The bicarbonate level is within normal limits, further supporting respiratory acidosis.
D. Metabolic acidosis would be indicated by a low pH and low bicarbonate levels; however, the bicarbonate is normal in this case, ruling out metabolic acidosis.