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Therapeutics and Patient Care QUESTION #3886

Which of the following agents should NOT be used as a topical treatment for acne vulgaris?

Salicylic acid
Sulfur
Hydrocortisone✔️
Benzoyl peroxide

Correct Answer Logic:

Topical hydrocortisone is not indicated for acne vulgaris and may worsen acne by promoting follicular occlusion and steroid-induced acne. Salicylic acid, sulfur, and benzoyl peroxide are established acne treatments.

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Geology QUESTION #10644

Question 9502

Ox-bow lakes are formed as a direct result of:

Seasonal flooding of river banks
Intense river meandering and eventual cutoff of meander loops✔️
Lateral erosion of river banks
Downstream flow velocity increase

Correct Answer Logic:

Ox-bow lakes form in mature rivers with highly sinuous meanders. As a meander loop becomes extremely curved, the river eventually cuts through the narrow neck of the meander during a flood, taking the shorter path. The abandoned meander loop is cut off and becomes an isolated, crescent-shaped ox-bow lake. Over time, it may fill with sediment and vegetation to become an ox-bow swamp or marsh.

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Nursing QUESTION #9142

Question 9503

During intrapartum monitoring, a CTG strip shows: baseline FHR 155 bpm, variability 2 bpm, late decelerations after each contraction recovering within 30 seconds. This CTG is classified as:

Normal/Reassuring
Suspicious/Non-reassuring
Pathological✔️
Technically unsatisfactory

Correct Answer Logic:

CTG classification is based on NICE (2022) / FIGO guidelines. Assess 4 features:

Feature	Reassuring	Non-reassuring	Abnormal	This Strip
Baseline FHR	110–160 bpm	100–109 or 161–180	<100 or >180	155 bpm ✓ Reassuring
Variability	5–25 bpm	3–4 bpm (>30 min) or >25 bpm	<3 bpm (>60 min) or sinusoidal	2 bpm = Abnormal
Decelerations	None or early	Variable (typical)	Late decelerations	Late = Abnormal
Accelerations	Present	Absent	—	Not mentioned

Classification (NICE):

Normal: All 4 features reassuring
Suspicious: 1 non-reassuring feature
Pathological: ≥2 non-reassuring OR ≥1 abnormal feature

This CTG has: variability 2 bpm (abnormal) + late decelerations (abnormal) = PATHOLOGICAL

Action: Inform senior doctor immediately, consider fetal blood sampling (FBS), prepare for expedited delivery. Offer resuscitative measures: maternal lateral position, IV fluids, stop oxytocin.

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Chemistry QUESTION #1427

Question 9504

The heat capacity of a calorimeter is determined using:

A bomb calorimeter
A known standard material✔️
Adiabatic temperature rise
None of these

Correct Answer Logic:

The heat capacity (calorimeter constant) of a calorimeter is determined by calibration using a known standard material — typically a substance with a well-characterised heat of combustion (e.g., benzoic acid). A known amount is burned/reacted, the temperature change is measured, and the calorimeter constant $C_{\text{cal}} = q / \Delta T$ is calculated.

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Aptitude QUESTION #11011

Question 9505

A $3 \times 3 \times 3$ cube is built from $27$ unit cubes. If the outer layer is removed, how many unit cubes remain?

$8$
$12$
$18$
$1$✔️

Correct Answer Logic:

Removing the outer layer from a $3 \times 3 \times 3$ cube leaves a $1 \times 1 \times 1$ inner cube. So only $1$ unit cube remains.

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General Knowledge QUESTION #4750

Question 9506

India's Kishanganga Dam (also known as Kishan Ganga) is being constructed in which area?

Jammu
Srinagar
Baramula✔️
Kargil

Correct Answer Logic:

The Kishanganga Hydroelectric Plant is located near Bandipore in the Baramulla district of Indian-administered Jammu and Kashmir.

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The Elections Act 2017 QUESTION #9429

Question 9507

Section 59(3) specifies the maximum number of voters to be assigned to a polling station and to a polling booth respectively. The correct figures are:

One thousand voters per station; two hundred per booth
Fifteen hundred voters per station; five hundred per booth
Twelve hundred voters per station; three hundred per booth✔️
Eight hundred voters per station; two hundred per booth

Correct Answer Logic:

Section 59(3) states: 'not more than twelve hundred voters shall be assigned to a polling station and not more than three hundred voters shall be assigned to a polling booth, and reasons for any deviation shall be recorded in writing.'

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Mathematics QUESTION #6968

Question 9508

Find the derivative of $\tan^{-1}\!\left(\dfrac{\sin x-\cos x}{\sin x+\cos x}\right)$ with respect to $\dfrac{x}{2}$, for $x\in\left(0,\dfrac{\pi}{2}\right)$.

1
$\dfrac{2}{3}$
$\dfrac{1}{2}$
2✔️

Correct Answer Logic:

$\dfrac{\sin x-\cos x}{\sin x+\cos x} = \tan\!\left(x-\dfrac{\pi}{4}\right)$

So $f(x)=\tan^{-1}\!\left(\tan\!\left(x-\dfrac{\pi}{4}\right)\right)=x-\dfrac{\pi}{4}$ (within the principal range).

$\dfrac{df}{dx}=1$.

Let $g(x)=x/2$, so $dg/dx=1/2$.

Derivative of $f$ w.r.t. $g$: $\dfrac{df/dx}{dg/dx}=\dfrac{1}{1/2}=\mathbf{2}$

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Boilers Mechanical Engineering QUESTION #2411

Question 9509

Power transmitted by a hydraulic fluid flow (volumetric flow rate $Q$, specific weight $\gamma$, total head $H$) is:

$P = \gamma Q / H$
$P = \gamma Q H$✔️
$P = Q H / \gamma$
$P = \rho Q^2 H$

Correct Answer Logic:

Hydraulic power: $P=\gamma QH$ (watts in SI). For a pump: $P_{input}=\gamma QH_A/e_{pump}$.

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Maths QUESTION #2898

Question 9510

Find the amount if $\$800$ is invested at $6\%$ simple interest for $2$ years.

$\$896$✔️
$\$900$
$\$848$
$\$912$

Correct Answer Logic:

Interest $= (800 \times 6 \times 2)/100 = 96$. Amount $= 800 + 96 = 896$.

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Paper-I (Anatomy/Physiology and Biochemistry/Microbiology) QUESTION #3526

Question 9511

'Tinctures' are alcoholic or hydro-alcoholic extractions of:

Minerals only
Crude drugs (plant or animal material)✔️
Synthetic powders
Pure water

Correct Answer Logic:

Tinctures are common liquid forms of herbal medicines.

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Security Measures to Maintain Law and Order QUESTION #7668

Question 9512

Security cards are useful for controlled access and following apply to them:

All officers/personnel working in controlled environment need to have security cards
Loss of security card is to be immediately reported
Both (A) & (B)✔️
None of these

Correct Answer Logic:

Both statements are correct. Security cards are essential for access control in secure environments - all authorized personnel must have them, and any loss must be immediately reported to prevent unauthorized access and to deactivate the lost card.

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Psychology QUESTION #9747

Question 9513

Hans Selye's General Adaptation Syndrome (GAS) describes the body's three-stage response to prolonged stress. Which stage involves the depletion of physiological resources, making the organism vulnerable to illness and collapse?

Alarm stage
Resistance stage
Exhaustion stage✔️
Recovery stage

Correct Answer Logic:

In Selye's General Adaptation Syndrome (GAS), the Exhaustion stage is the third and final stage, occurring when prolonged stress has depleted the body's adaptive resources. The immune system weakens, and the individual becomes highly susceptible to disease, physical breakdown, and even death. The three stages are: (1) Alarm (initial 'fight or flight'), (2) Resistance (coping and adaptation), and (3) Exhaustion (resource depletion).

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General Intelligence/Ability QUESTION #3973

Question 9514

The floor of a bathroom is covered with $3,240$ square tiles, each measuring $\frac{15}{16}$ inch. The cement gap between tiles is $\frac{1}{16}$ inch. Calculate the total area of the bathroom floor.

$225$ sq. yds.✔️
$2.5$ sq. yds.
$250$ sq. ft.
$22.5$ sq. yds.

Correct Answer Logic:

3

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Psychology QUESTION #9802

Question 9515

The ability to focus on stimuli of interest while filtering out competing distractors is called:

Concentrated attending
Stimulus focusing
Selective attention✔️
Structured perceiving

Correct Answer Logic:

Selective attention is the cognitive process of focusing on particular stimuli while ignoring irrelevant ones (e.g., the cocktail party effect). It is essential to efficient information processing.

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Nursing QUESTION #9216

Question 9516

A Charge Nurse conducts a study and finds that a third variable (patient age) influences both the independent variable (activity level) and the dependent variable (recovery time). This variable is called:

Mediator variable
Moderator variable
Confounding variable✔️
Extraneous variable that has been controlled

Correct Answer Logic:

Correct Answer: C — Confounding variable

Types of variables in research:

Variable Type	Definition
Independent (IV)	The cause or intervention; manipulated by researcher
Dependent (DV)	The outcome; what is measured
Confounding	Correlates with both IV and DV, distorting the true relationship (age in this case)
Mediator	Explains the mechanism through which IV affects DV
Moderator	Changes the strength or direction of the IV-DV relationship
Extraneous	Any variable other than IV that may affect DV; a confounder if uncontrolled

Controlling confounders is essential for establishing causal relationships in nursing research.

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Paper-II (Pharmacology and Social Behaviour, Law & Ethics and Computer Sciences) QUESTION #5761

Question 9517

Epinephrine is added to local anesthetics to:

Increase absorption rate
Decrease duration
Cause local vasodilation
Produce vasoconstriction and increase duration✔️

Correct Answer Logic:

Vasoconstriction slows drug absorption away from the site, increasing local duration.

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Physics QUESTION #374

Question 9518

In which of the following

output is similar to NAND gate if input A=0 and input B=1✔️
NOR
XNOR
XOR

Correct Answer Logic:

2

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Accounting & Finance QUESTION #6193

Question 9519

If a firm's 'Inventory Turnover' is $5$ times, what is the 'Days' Sales in Inventory'?

73 days.✔️
50 days.
365 days.
90 days.

Correct Answer Logic:

$365 / 5 = 73$ days [cite: 39].

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Biology Zoology Botany QUESTION #1340

Question 9520

The pigment(s) that contain various forms of iron is/are:

Myoglobin
Hemoglobin
Both (A) & (B)✔️
None of these

Correct Answer Logic:

Both myoglobin and hemoglobin are iron-containing heme proteins. Myoglobin is an oxygen-storing protein found in muscle tissue containing a single heme group with Fe$^{2+}$. Hemoglobin is the oxygen-carrying protein in red blood cells with four heme groups, each containing Fe$^{2+}$ (oxy) or Fe$^{3+}$ (met-form). Both contain iron in their porphyrin (heme) rings.

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