PMDC Verified Question 13 of 15
Look carefully at the visual symbols below to find the pattern:

VISUAL SYMBOL PROGRESSION: Step 1 Step 2 Step 3 ? Step 4 OPTIONS: Option A Option B Option C Option D
A
Option A
B
Option B
C
Option C
D
Option D
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option D: Option D
Concept:

Curvilinear Progression: Cumulative angular arc closure toward a closed topological figure.

Formula / Rule:

$$\text{Cumulative Arc Angle: } 180^\circ \rightarrow 270^\circ \rightarrow 315^\circ \rightarrow 360^\circ$$

Solution:

  • Step 1 shows a top semicircular arc (180°).
  • Step 2 extends the curve along the bottom-left quadrant (270° total).
  • Step 3 extends the arc further into the bottom-right quadrant (~315°).
  • Step 4 completes the full continuous perimeter, forming a complete closed circular ring (Option D).


Why other options are incorrect:

  • Option A: Incomplete vertical crescent arc.
  • Option B: Broken/dashed arc structure not matching the solid line progression.
  • Option C: Reverts back to an unclosed single top semicircle.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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