HSA Mixed Practice Test #674

Question 1

Local anesthetics like Lidocaine block nerve impulse conduction by interfering with the influx of which ion into the nerve cell, thereby stabilizing the neuronal membrane?

Accepted Answer

C. Sodium ions — Local anesthetics like Lidocaine exert their effect by reversibly binding to and blocking voltage-gated sodium channels in the neuronal membrane. This action prevents the influx of sodium ions, thereby inhibiting the initiation and propagation of action potentials along nerve fibers and leading to a loss of sensation in the targeted area.

Answer

A. Potassium ions

Answer

B. Calcium ions

Answer

D. Chloride ions

Question 2

First CJI:

Accepted Answer

H.J. Kania — H.J. Kania (1950-51).

Answer

M. Patanjali Sastri

Answer

Hidayatullah

Answer

Gajendragadkar

Question 3

Humayun lost his empire to:‌​‍

Accepted Answer

Sher Shah Suri — Sher Shah Suri defeated Humayun at the Battle of Chausa (1539) and Kannauj (1540), forcing Humayun into exile.‌​‍

Answer

Babur

Answer

Akbar

Answer

Ibrahim Lodi

Question 4

World Environment Day:‌​‍

Accepted Answer

5 Jun — 5 June.‌​‍

Answer

22 Mar

Answer

22 Apr

Answer

16 Sep

Question 5

The maximum period of President's Rule is:‌​‍

Accepted Answer

3 years — President's Rule (Art. ‌​‍356) can last max 3 years (6 months at a time, extended by Parliament). Beyond 1 year needs special conditions.

Answer

6 months

Answer

1 year

Answer

2 years

Question 6

Purna Swaraj declared at:‌​‍

Accepted Answer

Lahore — Lahore Congress (1929), Jawaharlal Nehru as president.‌​‍

Answer

Calcutta

Answer

Bombay

Answer

Karachi

Question 7

'Indelible' means:

Accepted Answer

Cannot be removed or forgotten — Indelible: impossible to erase; often used of ink or memories.

Answer

Easily erased

Answer

Invisible

Answer

Unclear

Question 8

Governor can reserve bill for:‌​‍

Accepted Answer

President — Art 200 — Governor can reserve state bill for President's consideration.‌​‍

Answer

CM

Answer

Speaker

Answer

CJI

Question 9

During a growth monitoring session at an Anganwadi center, a 12-month-old child is found to have a weight-for-height Z-score of -3 and a history of diarrhea in the past month. According to IMNCI, which of the following is the MOST appropriate immediate action?

Accepted Answer

A. Provide high-energy therapeutic milk and refer to a nutrition rehabilitation center — A weight-for-height Z-score of -3 indicates severe acute malnutrition (SAM), requiring immediate referral to a nutrition rehabilitation program for therapeutic feeding. Option B is for iron-deficiency anemia; Option C is for vitamin A deficiency prevention; Option D is for infants under 6 months with normal growth.

Answer

B. Prescribe iron supplementation and advise dietary modifications

Answer

C. Administer vitamin A supplementation and monitor weight weekly

Answer

D. Recommend exclusive breastfeeding and weaning foods

Question 10

Mean kinetic energy per molecule of ideal gas at absolute T is:‌​‍

Accepted Answer

(3/2)kT — Equipartition: (1/2)kT per DOF. Monatomic gas has 3 translational DOF.‌​‍

Answer

kT

Answer

(5/2)kT

Answer

RT

HSA Mixed Practice Test #674