Reading Mode - Questions

Finding	Cause	Problem
High Peak + Normal Plateau	Increased airway resistance	ETT kinking/obstruction, secretions, bronchospasm, biting the tube
High Peak + High Plateau	Decreased lung compliance	ARDS, pneumothorax, pulmonary edema, auto-PEEP

Formula: \[\text{Compliance} = \frac{V_T}{P_{\text{plateau}} - \text{PEEP}}\]
Normal compliance $\approx 50 - 100 \text{ mL/cmH}_2\text{O}$

Nursing action for high peak, normal plateau:

Suction the ETT for secretions
Check for tube kinking or patient biting
Administer bronchodilator if bronchospasm suspected
Assess breath sounds bilaterally

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Social Studies QUESTION #10039

Question 4

Which law became a central focus of Pakistan's women's rights movement during the 1980s?

The Hudood Ordinance✔️
The Zina Ordinance
The Qanun-e-Shahadat
The Pakistan Penal Code

Correct Answer Logic:

The Hudood Ordinances of 1979 became the major target of women's rights activism throughout the 1980s in Pakistan.

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Islamic Studies QUESTION #636

Question 5

Who was the first to treat Hindus as "People of the Book" in his time?

Hazrat Usman Ghani
Muhammad bin Qasim✔️
Muhallab bin Abi Safra
None of these

Correct Answer Logic:

Muhammad bin Qasim granted them status similar to Dhimmis upon the conquest of Sindh.

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Biology Zoology Botany QUESTION #1363

Question 6

In angiosperms, how many nuclei are present in a mature embryo sac?

6
7
8✔️
9

Correct Answer Logic:

A mature angiosperm embryo sac (megagametophyte) contains 8 nuclei organised into 7 cells: 3 antipodal cells (3 nuclei), 2 synergid cells (2 nuclei), 1 egg cell (1 nucleus), and 1 central cell with 2 polar nuclei (2 nuclei). Total = 3+2+1+2 = 8 nuclei in 7 cells. This is the standard Polygonum-type embryo sac.

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MBBS QUESTION #10351

Question 7

Long-chain fatty acids must be transported into the mitochondrial matrix for beta-oxidation via a specific carrier system, impaired in carnitine palmitoyltransferase (CPT) deficiency. This transport system is known as the:

Carnitine shuttle✔️
Malate-aspartate shuttle
Glycerol-3-phosphate shuttle
Citrate shuttle

Correct Answer Logic:

The carnitine shuttle — comprising CPT-I (outer mitochondrial membrane), carnitine-acylcarnitine translocase, and CPT-II (inner membrane) — converts long-chain fatty acyl-CoA to acylcarnitine for transport into the mitochondrial matrix, where it is reconverted to acyl-CoA for beta-oxidation; the malate-aspartate and glycerol-3-phosphate shuttles instead transport reducing equivalents (NADH) rather than fatty acids.

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Administration QUESTION #9558

Question 8

Zero-Base Budgeting (ZBB) and incremental budgeting represent fundamentally different philosophies of resource allocation. In a context where a government department has been running the same programmes for 15 years without outcome evaluation, which system would be more appropriate and why?

Incremental budgeting — because it ensures institutional memory is preserved and avoids disruption to ongoing service delivery
Zero-Base Budgeting — because it forces each programme to justify its continued existence from first principles, preventing perpetuation of outdated or ineffective spending✔️
Performance budgeting — because it links expenditure to measurable work units rather than requiring either a zero-base or incremental approach
Planning-Programming-Budgeting — because it integrates multi-year planning with annual budgeting to replace inefficient long-running programmes

Correct Answer Logic:

ZBB was developed precisely for this scenario: where incremental budgeting allows outdated programmes to persist by simply adding a percentage increase annually. ZBB requires all budget units to justify their expenditure from zero — forcing a fresh cost-benefit assessment. It prevents the perpetuation of ineffective programmes that would survive indefinitely under incremental approaches.

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Psychology QUESTION #1463

Question 9

Which type of validity is concerned with whether the test truly measures the concept it is intended to measure?

Content validity
Construct validity✔️
Criterion-related validity
Face validity

Correct Answer Logic:

Construct validity refers to the degree to which a test actually measures the theoretical construct (psychological concept) it purports to measure. For example, does an IQ test truly measure 'intelligence' as theoretically defined? Content validity concerns coverage of all relevant aspects of the construct; criterion-related validity concerns prediction of real-world outcomes; face validity is about surface appearance only.

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General Intelligence/Ability QUESTION #3976

Question 10

Consider a hexagon where every side is $22$ inches long. A circle has a circumference equal to the perimeter of this hexagon. Which of the following is the closest value for the radius of that circle?

$7$✔️
$21$
$14$
$28$

Correct Answer Logic:

1

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General Knowledge QUESTION #11492

Question 11

A toolbar that is unattached to the edges of the application window and can be repositioned freely is a:

Floating toolbar✔️
Scroll bar
Status toolbar
Menu bar

Correct Answer Logic:

A floating toolbar in MS Word is not docked to any edge of the window. It can be freely repositioned anywhere on screen by dragging. In modern Word (ribbon interface), the Mini Toolbar is a floating contextual toolbar that appears when text is selected.

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English QUESTION #8512

Question 12

The horseman pulled the _______ of the horse.

Reigns
Rains
Reins✔️
Ranes

Correct Answer Logic:

'Reins' are the straps used to control a horse.

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Physics QUESTION #1024

Question 13

A ball of mass 0.5 kg is dropped from 40 m, hits the ground and rises to 10 m. The impulse imparted during collision is (Take $g = 9.8\ \text{m/s}^2$):

84 NS
21 NS✔️
7 NS

Correct Answer Logic:

Velocity before hitting: $v_1 = \sqrt{2\times9.8\times40} = 28\ \text{m/s}$ (downward). Velocity after: $v_2 = \sqrt{2\times9.8\times10} = 14\ \text{m/s}$ (upward). Impulse $= m(v_2-(-v_1)) = 0.5\times(14+28) = 0.5\times42 = 21\ \text{NS}$.

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English QUESTION #8535

Question 14

The synonym of 'Nonchalant' is:

Excited
Natural
Dispassionate✔️
nervous

Correct Answer Logic:

Nonchalant means casually calm and unconcerned; dispassionate.

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Math Physics Chemistry Biology QUESTION #11434

Question 15

Which one of the following is an example of social insect?

Grasshopper
Honeybee✔️
Louse
Cockroach

Correct Answer Logic:

Honeybees are eusocial insects living in highly organized colonies with: reproductive division of labor (queen, workers, drones), cooperative brood care, and overlapping generations. They are among the most studied social insects. Grasshoppers, lice, and cockroaches are solitary insects that do not form organized cooperative societies.

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Boilers Mechanical Engineering QUESTION #4050

Question 16

'Evaporative Capacity' of a boiler is expressed in:

$kg$ of steam produced per hour✔️
$Degrees$ Celsius
$psi$
$Liters$ of fuel

Correct Answer Logic:

It defines how much steam the boiler can generate under specific conditions.

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MCQs Section QUESTION #5246

Question 17

خبر کی جمع ہے؟

خبریں
اخیار
اخبار✔️
ان میں سے کوئی نہیں

Correct Answer Logic:

خبر کی جمع 'اخبار' ہے جو عربی قاعدے کے مطابق بنتی ہے۔

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Boilers Mechanical Engineering QUESTION #2381

Question 18

For elements connected in CASCADE (series), the overall transfer function is:

$Y(s) = Y_1(s) + Y_2(s)$
$Y(s) = Y_1(s) / Y_2(s)$
$Y(s) = Y_1(s) \cdot Y_2(s)$✔️
$Y(s) = Y_1(s) - Y_2(s)$

Correct Answer Logic:

For cascade (series) connection: the output of the first element is the input to the second, giving $Y(s)=Y_1(s)\cdot Y_2(s)$. For parallel connection: $Y(s)=Y_1(s)+Y_2(s)$.

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Civil Engineering QUESTION #6640

Question 19

The ACI code specifies a 'Maximum spacing' for stirrups primarily to:

Reduce the cost of steel
Ensure that every 45-degree potential crack is intercepted by at least one stirrup✔️
Prevent the longitudinal bars from buckling
Increase the compressive strength of the web

Correct Answer Logic:

By limiting spacing (e.g., d/2), the designer ensures that any diagonal crack forming at roughly 45 degrees will be crossed by shear reinforcement.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3419

Question 20

'Rickets' in children and 'Osteomalacia' in adults are due to deficiency of:

Vitamin C
Vitamin D and Calcium✔️
Iron
Vitamin B1

Correct Answer Logic:

Leads to softening and weakening of the bones.

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