Reading Mode - Questions

Type	Nerve Roots	Presentation	Cause
Erb's Palsy	C5, C6	'Waiter's tip': arm adducted, internally rotated, elbow extended, wrist pronated, fingers flexed	Shoulder dystocia (excessive lateral neck traction)
Klumpke's Palsy	C8, T1	Claw hand deformity (intrinsic hand muscles paralyzed); Horner's syndrome if T1 root avulsed	Arm hyperabduction during delivery
Total Plexus Palsy	C5–T1	Flail arm, complete paralysis	Severe traction

'Waiter's tip' = Erb's Palsy (C5–C6). Absent Moro on the affected side (normal Moro requires shoulder abduction/external rotation via C5–C6).

Nursing management:

Gentle range of motion exercises after 7–10 days
Proper positioning (avoid abduction)
Physiotherapy referral
Most recover spontaneously in 3–6 months
EMG/nerve conduction at 3 months if no improvement
Surgical repair (nerve grafting) if no recovery by 3–9 months

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Civil Engineering QUESTION #6591

Question 4

The flexibility matrix method of structural analysis primarily computes first:

Nodal displacements
Support reactions
Member forces✔️
Member strains

Correct Answer Logic:

The flexibility (force) method selects redundant forces as unknowns, sets up compatibility equations, and solves for member forces (redundants) first. Displacements and reactions are derived subsequently.

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Math Physics Chemistry Biology QUESTION #11397

Question 5

End product of Calvin cycle is:

3-phosphoglycerate
Glyceraldehyde-3-phosphate (G3P)✔️
Ribulose bisphosphate
Glucose carbon $CO_2$

Correct Answer Logic:

The direct end product of the Calvin cycle (light-independent reactions) is Glyceraldehyde-3-phosphate (G3P), a 3-carbon sugar phosphate. G3P is the first stable carbohydrate produced and serves as the precursor for glucose, sucrose, starch, and other organic molecules. RuBP is regenerated in the cycle, not a net product.

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Civil / Architecture QUESTION #2372

Question 6

In prestressed concrete design, the concept of the 'load balancing method' (T.Y. Lin's method) involves selecting the tendon profile such that the transverse component of prestress forces:

Maximizes the bending moment at midspan to increase the section capacity
Exactly balances a chosen portion of the applied gravity loads, resulting in a uniformly stressed (axially loaded) cross-section under the balanced load✔️
Eliminates all tensile stresses in the section at every load level
Positions the pressure line (C-line) at the kern point of the section

Correct Answer Logic:

In the load balancing method (T.Y. Lin, 1963), the tendon is profiled (typically parabolic for UDL) so its vertical component exactly counteracts a chosen portion of the gravity load (usually dead load or total service load). Under the balanced load $w_b = \dfrac{8 P e}{L^2}$, the beam is in pure axial compression with uniform stress $f = P/A$. Remaining loads (unbalanced) are analyzed by conventional elastic methods.

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Agriculture Economics QUESTION #11866

Question 7

Total Fixed Costs ($TFC$) are best described as costs that:

Vary directly with output
Do not change with the level of output in the short run✔️
Only occur in the long run
Equal zero when output is zero

Correct Answer Logic:

$TFC$ remain constant regardless of the quantity produced in the short run, since fixed inputs cannot be changed.

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General Knowledge QUESTION #11519

Question 8

The standard layout of keys on standard computer keyboards is known as:

Home layout
QWERTY layout✔️
Basic layout
General layout

Correct Answer Logic:

The standard keyboard layout is called QWERTY, named after the first six letters in the top row. Designed by Christopher Sholes in 1873, QWERTY was originally arranged to prevent mechanical jamming on typewriters. Alternative layouts include Dvorak and Colemak.

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Accounting & Finance QUESTION #6197

Question 9

Which financial statement provides a 'snapshot' of the firm's accounting value on a specific date?

Income Statement
Balance Sheet✔️
Statement of Cash Flows
Tax Return

Correct Answer Logic:

The Balance Sheet shows the firm's assets and liabilities at a single point in time [cite: 12, 17].

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Accounting & Finance QUESTION #6073

Question 10

What is the primary reason for a business to record a depreciation charge?

To ensure enough funds are available to replace the asset at the end of its life
To allocate the cost of the asset across the specific periods that benefit from its use
To ensure every asset is treated consistently based on the consistency principle

1 and 2
2 only✔️
2 and 3
3 only

Correct Answer Logic:

The core purpose of depreciation is the matching principle: charging the cost of a non-current asset to the periods it helps generate revenue. It does not guarantee cash for replacement, nor is it purely about the consistency concept itself.

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Maths QUESTION #4554

Question 11

Which is larger: $\frac{3}{5}$ or $\frac{5}{8}$?

$\frac{3}{5}$
$\frac{5}{8}$✔️
Equal
Cannot compare

Correct Answer Logic:

Convert: $\frac{3}{5} = 0.6$ and $\frac{5}{8} = 0.625$. Since $0.625 > 0.6$, $\frac{5}{8}$ is larger.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3430

Question 12

'Apoenzyme' is the:

Active form of an enzyme
Protein part of an enzyme (inactive without its cofactor)✔️
Non-protein part
A type of vitamin

Correct Answer Logic:

Apoenzyme + Cofactor = Holoenzyme (Active).

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Islamic Studies QUESTION #7627

Question 13

عبداللہ بن ابی (منافقین کا سردار) کا انتقال کس ہجری میں ہوا؟

8 ہجری✔️
9 ہجری
10 ہجری
7 ہجری

Correct Answer Logic:

عبداللہ بن ابی کا انتقال 8 ہجری میں غزوہ تبوک کے بعد ہوا۔

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Information Technology QUESTION #1117

Question 14

Which of the following is the false statement in C language?

static a=10;
static int func (int);
static static int a;✔️
None of these

Correct Answer Logic:

In C, you cannot use the same storage class specifier multiple times for a single variable declaration. static static is syntactically invalid.

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Pakistan Affairs QUESTION #135

Question 15

Pakistan and Tajikistan are separated by:

Durand Line
Wakhan Corridor✔️
Khyber Pass
Bolan Pass

Correct Answer Logic:

The Wakhan Corridor is a narrow strip of territory in Afghanistan that separates Tajikistan from Pakistan.

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Paper-II (Pharmacognosy and Pharmaceutics-I) QUESTION #3594

Question 16

Glycosides are compounds that, upon hydrolysis, yield a sugar part called 'Glycone' and a non-sugar part called:

Anion
Aglycone (Genin)✔️
Enzyme
Lactose

Correct Answer Logic:

The aglycone part is usually responsible for the therapeutic activity of the glycoside.

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Bio-Technology QUESTION #10618

Question 17

ELISA (Enzyme-Linked Immunosorbent Assay) quantifies an antigen by:

Separating antigens by size on polyacrylamide gels
Measuring colour change produced by an enzyme linked to a detection antibody that is proportional to antigen amount✔️
Counting individual antigen molecules using flow cytometry
Agglutinating antigen-coated red blood cells to form visible clumps

Correct Answer Logic:

In a sandwich ELISA: (1) capture antibody is coated on a well, (2) sample antigen binds, (3) a detection antibody conjugated to an enzyme (e.g. HRP, alkaline phosphatase) binds the antigen, (4) enzyme substrate is added, producing a coloured product measured spectrophotometrically. The absorbance is proportional to antigen concentration. ELISA is widely used for diagnostics (HIV, pregnancy tests), food safety testing, and drug monitoring.

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