Practice questions without fighting the page.

<b>Answer: D</b> <ul> <li><b>Why:</b> Type O blood has no A or B antigens on red cells, so it can be given to any patient without triggering A/B antigen reactions.</li> <li><b>Concept:</b> Absence of A/B antigens enables universal donor for RBC transfusions (O negative is safest).</li> <li><b>Other options:</b> AB is universal recipient, not donor; A, B have specific antigens that may conflict with recipients.</li> <li><b>Exam tip:</b> Remember: O− ≈ universal donor for RBCs; AB+ ≈ universal recipient.</li> </ul>

'It Being' instead of 'being'

31 Seats.

<u><i>through the nose</i></u>: pay much more than a fair price.

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<div class="ai-chip">? Vocabulary Learning</div>
<div class="ai-answer-card"><b>✅ Correct Answer</b><p>Guess</p></div>
<div class="ai-why-card"><b>? Why?</b><p>Conjecture means a guess or an idea formed without definite proof, so "guess" is the closest synonym.</p></div>
<div class="ai-rule-card"><b>? Remember</b><p>Think of conjecture as a careful guess based on hints.</p></div>
<div class="ai-example-card"><b>? Example</b><p>Her conjecture about the cause of the fault proved right after more tests.</p></div>
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