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MBBS QUESTION #10177

A child with a supracondylar fracture of the humerus develops weakness of thumb and index finger flexion and cannot form an 'OK' sign. Which nerve (or its branch) is most likely injured?

Ulnar nerve
Anterior interosseous branch of the median nerve✔️
Radial nerve
Musculocutaneous nerve

Correct Answer Logic:

Supracondylar fractures are the most common elbow fracture in children and classically threaten the anterior interosseous nerve (a branch of the median nerve), which supplies flexor pollicis longus and the radial half of flexor digitorum profundus — required for the 'OK sign' pinch.

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Maths QUESTION #4606

Question 10742

Expand: $(x - 3)^2$

$x^2 - 9$
$x^2 + 9$
$x^2 - 6x + 9$✔️
$x^2 - 3x - 9$

Correct Answer Logic:

Using $(a-b)^2 = a^2 - 2ab + b^2$: $(x-3)^2 = x^2 - 6x + 9$

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General Knowledge QUESTION #8779

Question 10743

Which continent is located on the Tropic of Cancer, the Tropic of Capricorn, and the Equator?

Asia
Europe
Africa✔️
None above

Correct Answer Logic:

Africa is the only continent crossed by all three.

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Paper-I (Pharmaceutics II (Industrial and Quality Control) and Pharmaceutics III (Hospital and Community Pharmacy)) QUESTION #5725

Question 10744

The $EPI$ schedule in Pakistan includes the $BCG$ vaccine. At what age and through which route is $0.05\text{ mL}$ of $BCG$ typically administered to an infant?

Birth, Intradermal✔️
6 Weeks, IM
9 Months, SC
14 Weeks, PO

Correct Answer Logic:

BCG is given at birth via the intradermal route.

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Chemistry QUESTION #445

Question 10745

Sulphuric acid is used to manufacture

HCl and HNO?
H?PO?
Both A and B
Both HCl and 2COOH✔️

Correct Answer Logic:

H?SO? is used to make HCl, HNO?, and other acids

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Ability / HR / Governance / Special Education QUESTION #1895

Question 10746

Under Rule 3(c)(i) a government servant may reasonably be considered corrupt if he or his dependents possess pecuniary resources disproportionate to known income sources and he cannot account for them. This falls under which ground?

Inefficiency
Misconduct
Corruption✔️
Subversive activity

Correct Answer Logic:

Rule 3(c)(i) explicitly lists possession of disproportionate assets as a ground constituting corruption under Rule 3(c).

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English QUESTION #8320

Question 10747

Forgery means _______.

Fraudulent alteration of writing✔️
Forcefulness
Inventiveness in writing
Inventiveness in speaking

Correct Answer Logic:

Forgery is the fraudulent alteration of documents.

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Education QUESTION #10880

Question 10748

At which school level is the diversification of curriculum undertaken?

Early school level
Primary school level
Secondary school level✔️
Middle school level

Correct Answer Logic:

Curriculum diversification occurs at the secondary school level, where students begin specialising in different streams (science, arts, commerce, vocational/technical). At this level, a common core curriculum is supplemented by elective subjects reflecting students' aptitudes and career interests. Primary and middle school curricula are typically uniform for all students; specialisation begins in secondary education as students prepare for higher education or employment pathways.

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Quantitative Reasoning QUESTION #8003

Question 10749

Since 1813 reaction to Jane Austen's novels has oscillated between ------- and condescension; but in general later writers have esteemed her works more highly than did most of her literary -------.

dismissal...admirers
adoration...contemporaries✔️
disapproval...readers
indifference...followers

Correct Answer Logic:

The sentence indicates that reactions have varied over time, with later writers valuing Austen more than those of her own time. The first blank should pair with 'condescension' to show contrasting reactions. The second blank refers to writers from her own era. Adoration...contemporaries is correct: reactions ranged from adoration to condescension, and later writers valued her more than her contemporaries (those living at the same time) did.

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Mathematics QUESTION #6972

Question 10750

Let $I_n=\displaystyle\int\tan^n x\,dx$ for $n>1$. If $I_4+I_6 = a\tan^5x + bx^5 + C$, find the ordered pair $(a,b)$.

$\left(-\dfrac{1}{5},1\right)$
$\left(\dfrac{1}{5},0\right)$✔️
$\left(\dfrac{1}{5},-1\right)$
$\left(-\dfrac{1}{5},0\right)$

Correct Answer Logic:

Use the reduction: $I_n+I_{n-2}=\displaystyle\int\tan^{n-2}x\cdot\tan^2x\,dx+\int\tan^{n-2}x\,dx=\int\tan^{n-2}x\sec^2x\,dx=\dfrac{\tan^{n-1}x}{n-1}+C$

$I_4+I_6$: set $n=5$: $I_4+I_6=\dfrac{\tan^5x}{5}+C$

Comparing with $a\tan^5x+bx^5+C$: $a=\dfrac{1}{5}$, $b=0$.

$(a,b) = \left(\dfrac{1}{5},0\right)$

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Therapeutics and Patient Care QUESTION #3902

Question 10751

Which of the following antimicrobial agents is NOT absorbed into the systemic circulation following oral administration?

Cefalexin
Nystatin✔️
Trimethoprim
Rifampicin

Correct Answer Logic:

Nystatin is a polyene antifungal that is not absorbed from the GI tract when given orally. It is used exclusively for topical treatment of oral, pharyngeal, and gastrointestinal candidiasis.

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Chemistry QUESTION #5534

Question 10752

Sucrose undergoes acid hydrolysis via first-order kinetics with a half-life of 3.33 h at 25°C. After 9 h, the fraction of sucrose remaining is $f$. Find the value of $\log_{10}\!\left(\dfrac{1}{f}\right)\times10^{-2}$ (nearest integer). [Given: $\ln 10 = 2.303$, $\ln 2 = 0.693$]

81✔️
90
135
27

Correct Answer Logic:

$k = \frac{0.693}{3.33} = 0.208\ h^{-1}$. After $t=9$ h: $\ln\left(\frac{1}{f}\right) = kt = 0.208\times9 = 1.872$. $\log_{10}\left(\frac{1}{f}\right) = \frac{1.872}{2.303} = 0.8127$. Answer $= 0.8127\times10^{-2}\times10^{2}\approx81\times10^{-2}$, so the value is $\approx 81\times10^{-2}$, meaning the answer = 81.

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Boilers Mechanical Engineering QUESTION #4011

Question 10753

'Steam Quality' (Dryness Fraction) of $0.9$ means:

The steam is $100\%$ water
The steam contains $90\%$ dry steam and $10\%$ water droplets✔️
The steam is $90\%$ water
The steam is at $90~psi$

Correct Answer Logic:

Ideally, steam for turbines should be as dry as possible ($x \approx 1.0$).

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Civil Procedure QUESTION #5682

Question 10754

In a non-jury trial, the court finds for the plaintiff but fails to state findings of fact and conclusions of law. Is this a violation of the rules?

No, findings are only required if a party requests them.
Yes, Rule 52(a)(1) requires the court to find the facts specially and state its conclusions of law separately in an action tried on the facts without a jury.✔️
No, because the judgment itself is sufficient.
Yes, but only if the case involves more than $75,000.

Correct Answer Logic:

Rule 52(a)(1) explicitly requires findings of fact and conclusions of law in non-jury trials.

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Chemistry QUESTION #7408

Question 10755

What is the electron gain enthalpy of Na⁺, given that the first ionisation energy of Na is 5.1 eV?

+0.2 eV
−5.1 eV✔️
−10.2 eV
+2.55 eV

Correct Answer Logic:

Key concept:
$\text{Na} \to \text{Na}^+ + e^-$: requires IE₁ = +5.1 eV (energy absorbed)

Electron gain enthalpy of Na⁺ is the reverse process:
$\text{Na}^+ + e^- \to \text{Na}$: releases the same energy

$\Delta_{\text{eg}}H(\text{Na}^+) = -5.1$ eV

This follows Hess's law — the reverse process has equal and opposite enthalpy.

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English Literature QUESTION #10708

Question 10756

The Old Wives' Tale is a novel by:

Hardy
Henry James
Arnold Bennett✔️
John Galsworthy

Correct Answer Logic:

Arnold Bennett wrote The Old Wives' Tale (1908), one of the greatest English realistic novels of the Edwardian period. It traces the lives of two sisters — Constance and Sophia Baines — over fifty years in the Five Towns (the Potteries district). Bennett is associated with the Naturalistic school in the tradition of Balzac and Zola.

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Math Physics Chemistry Biology QUESTION #4325

Question 10757

Arthritis is:

Inflammation of joints✔️
Herniation of intervertebral disc
Fusion of vertebral joint
Tingling along the length of legs

Correct Answer Logic:

Arthritis is the inflammation of one or more joints, causing pain, stiffness, and reduced mobility. Osteoarthritis and rheumatoid arthritis are the most common types.

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English QUESTION #8355

Question 10758

Anonymous means:

foreigner
stranger
nameless✔️
outsider

Correct Answer Logic:

Anonymous means having no known name; nameless.

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Boilers Mechanical Engineering QUESTION #2472

Question 10759

The center distance $c$ between two external meshing spur gears with pitch diameters $d_p$ and $d_g$ is:

$c = d_p - d_g$
$c = \frac{d_p + d_g}{2}$✔️
$c = \frac{d_p \cdot d_g}{2}$
$c = d_p + d_g$

Correct Answer Logic:

For external spur gears, the center distance equals the sum of the pitch circle radii: $c = r_p + r_g = (d_p+d_g)/2$.

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Chemistry QUESTION #5536

Question 10760

Which isotope of hydrogen emits low-energy $\beta^-$ particles?

Proton $H^+$
Tritium $^3_1H$✔️
Protium $^1_1H$
Deuterium $^2_1H$

Correct Answer Logic:

Tritium ($^3_1H$) is a radioactive isotope of hydrogen containing 1 proton and 2 neutrons. It undergoes beta decay: $^3_1H \to ^3_2He + \beta^- + \bar{\nu}_e$. The emitted $\beta^-$ particles have very low energy (~18 keV max). Protium and deuterium are stable; $H^+$ is simply a proton with no radioactivity.

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