QUESTION IMAGE
Question
the image shows four test tubes (patient 1, patient 2, patient 3, patient 4) with different layers (presumably blood components) and a table below with columns for each patient and rows labeled rbc, total volume, hematocrit (%), along with a ruler on the right side (measuring in cm from 0 to 15).
To solve for RBC height, Total Volume height, and Hematocrit (%), we analyze each patient's tube using the ruler (0 - 15 cm).
Patient 1:
Step 1: Measure RBC height
RBC (red) height: From bottom (0 cm) to the white line. Let's assume it's 4 cm (visually, the red column height).
Step 2: Measure Total Volume height
Total Volume (red + orange + white) height: From bottom to the top of the tube. Assume it's 12 cm (total tube height).
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{\text{RBC Height}}{\text{Total Volume Height}} \times 100 = \frac{4}{12} \times 100 \approx 33.3\%$
Patient 2:
Step 1: Measure RBC height
RBC height: Assume 3 cm (shorter red column).
Step 2: Measure Total Volume height
Total Volume height: Assume 12 cm (same tube height).
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{3}{12} \times 100 = 25\%$
Patient 3:
Step 1: Measure RBC height
RBC height: Assume 10 cm (taller red column).
Step 2: Measure Total Volume height
Total Volume height: Assume 12 cm.
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{10}{12} \times 100 \approx 83.3\%$
Patient 4:
Step 1: Measure RBC height
RBC height: Assume 6 cm.
Step 2: Measure Total Volume height
Total Volume height: Assume 12 cm.
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{6}{12} \times 100 = 50\%$
(Note: Exact measurements depend on the ruler’s scale in the image. The above uses approximate visual estimates. For precise values, align the tube’s bottom with 0 cm and read the top of RBC and total volume against the ruler.)
Filled Table:
| Patient 1 | Patient 2 | Patient 3 | Patient 4 | |
|---|---|---|---|---|
| Total Volume (cm) | 12 | 12 | 12 | 12 |
| Hematocrit (%) | 33.3 | 25 | 83.3 | 50 |
(Adjust RBC and Total Volume heights based on the actual image’s ruler for accuracy.)
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To solve for RBC height, Total Volume height, and Hematocrit (%), we analyze each patient's tube using the ruler (0 - 15 cm).
Patient 1:
Step 1: Measure RBC height
RBC (red) height: From bottom (0 cm) to the white line. Let's assume it's 4 cm (visually, the red column height).
Step 2: Measure Total Volume height
Total Volume (red + orange + white) height: From bottom to the top of the tube. Assume it's 12 cm (total tube height).
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{\text{RBC Height}}{\text{Total Volume Height}} \times 100 = \frac{4}{12} \times 100 \approx 33.3\%$
Patient 2:
Step 1: Measure RBC height
RBC height: Assume 3 cm (shorter red column).
Step 2: Measure Total Volume height
Total Volume height: Assume 12 cm (same tube height).
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{3}{12} \times 100 = 25\%$
Patient 3:
Step 1: Measure RBC height
RBC height: Assume 10 cm (taller red column).
Step 2: Measure Total Volume height
Total Volume height: Assume 12 cm.
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{10}{12} \times 100 \approx 83.3\%$
Patient 4:
Step 1: Measure RBC height
RBC height: Assume 6 cm.
Step 2: Measure Total Volume height
Total Volume height: Assume 12 cm.
Step 3: Calculate Hematocrit (%)
Hematocrit = $\frac{6}{12} \times 100 = 50\%$
(Note: Exact measurements depend on the ruler’s scale in the image. The above uses approximate visual estimates. For precise values, align the tube’s bottom with 0 cm and read the top of RBC and total volume against the ruler.)
Filled Table:
| Patient 1 | Patient 2 | Patient 3 | Patient 4 | |
|---|---|---|---|---|
| Total Volume (cm) | 12 | 12 | 12 | 12 |
| Hematocrit (%) | 33.3 | 25 | 83.3 | 50 |
(Adjust RBC and Total Volume heights based on the actual image’s ruler for accuracy.)