Questions

Q:

The purpose of defibrillation is to

A) prevent asystole from deteriorating into ventricular fibrillation B) stop the chaotic, disorganized contraction of the cardiac cells
C) cause a rapid decrease in the heart rate of an unstable patient D) improve the chance of cardiopulmonary resuscitation (CPR) being successful in resuscitation
 
Answer & Explanation Answer: B) stop the chaotic, disorganized contraction of the cardiac cells

Explanation:

The purpose of defibrillation is to stop the chaotic, disorganized contraction of the cardiac cells. Defibrillation is a technique used in emergency medicine to terminate ventricular fibrillation or pulseless ventricular tachycardia. It uses an electrical shock to reset the electrical state of the heart so that it may beat to a rhythm controlled by its own natural pacemaker cells.

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Filed Under: General Science
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1 2095
Q:

Through which microscope were cells first observed?

A) Compound B) Simple
C) Electron D) Tunneling
 
Answer & Explanation Answer: A) Compound

Explanation:

A microscope is an instrument that magnifies objects. Cells that were first observed by Robert Hooke in the year 1665 in the compound microscope.

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Filed Under: General Science
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1 2094
Q:

Collisions occur at curves because

A) speed on the approach is too great B) speed leaving the curve is not enough
C) speed leaving the curve is too great D) speed on the approach is not enough
 
Answer & Explanation Answer: A) speed on the approach is too great

Explanation:

Collisions occur at curves because speed on the approach is too great.

Collisions_occur_at_curves_because1560944223.jpg image

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Filed Under: General Science
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1 2094
Q:

Japanese Ukiyo e prints depicted

A) Lord shiva B) The everyday world
C) Flung ink D) Shinto
 
Answer & Explanation Answer: B) The everyday world

Explanation:

Japanese Ukiyo-e prints depicted the everyday world or the transitory world we live.

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Filed Under: General Awareness
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1 2094
Q:

Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is

A) of variable refractive index B) made up of slabs of different refractive indices
C) homogeneous and transparent D) inhomogeneous and transparent
 
Answer & Explanation Answer: C) homogeneous and transparent

Explanation:

In vacuum and in homogeneous, transparent media, such as air, water, and glass, light moves in a straight line. When light encounters a boundary between two different transparent media, some light is reflected and some moves from the first into the second medium.

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Filed Under: Physics
Exam Prep: Bank Exams

1 2094
Q:

Which step happens first in DNA replication?

A) Initiation B) Elongation
C) Termination D) None of the above
 
Answer & Explanation Answer: A) Initiation

Explanation:

In the first step of DNA replication called initiation, the DNA pair gets unwidened.

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Filed Under: Biology
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1 2094
Q:

Which of the following cells produce antibodies?

A) Plasma cells B) Monocytes
C) Mast cells D) Neutrophils
 
Answer & Explanation Answer: A) Plasma cells

Explanation:
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Filed Under: Biology
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4 2094
Q:

C program to find whether a number is palindrome or not.

Answer

 #include<stdio.h>
int main(){
    int num,r,sum=0,temp;

    printf("Enter a number: ");
    scanf("%d",&num);

    temp=num;
    while(num){
         r=num%10;
         num=num/10;
         sum=sum*10+r;
    }
    if(temp==sum)
         printf("%d is a palindrome",temp);
    else
         printf("%d is not a palindrome",temp);

    return 0;
}

Sample output:
Enter a number: 131
131 is a palindrome

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Subject: Programming

1 2094