In behavioural terms, drugs like aspirin are considered negative reinforcers because they stop a person from feeling pain.
Negative reinforcement is a method that can be used to help teach specific behaviours. With negative reinforcement, something uncomfortable or otherwise unpleasant is taken away in response to a stimulus. Over time, the target behaviour should increase with the expectation that the unpleasant thing will be taken away.
For negative reinforcement to work, whatever is taken away must be taken away immediately after the behaviour in question. The end result is to get whatever behaviour is happening to continue and even increase.
Example :
A person hears a loud alarm. They push the STOP button on the alarm to make the noise stop. Now whenever the alarm goes off, they push the STOP button as quickly as they can.
- Before behaviour: Loud alarm
- Behaviour: Person turns alarm off
- After behaviour: No more annoying sound
- Future behaviour: Person pushes STOP every morning to quiet alarm
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Answer:
The correct answer will be option-A.
Explanation:
The cardiac cycle of the heart is divided into two phases: contraction (systole) and relaxation (diastole).
The atria and ventricles of the heart contract simultaneously in response to the impulse generated in the SA node. The contraction of the atria and ventricles push the blood or pumps the blood.
The atrial systole pumps blood to ventricles whereas the ventricular systole pumps blood to the body parts.
Thus, option-A is the correct answer.
Answer:
Basal cell carcinoma, which accounts for nearly 3 out of 4 skin cancers, is the slowest growing. Squamous cell carcinoma is somewhat more aggressive and more inclined to spread
Answer: Option A "Loss of body fluids"
Explanation:
When the body lose blood or other fluids from the body, then the amount of blood in the body is reduced. The Hypovolemic shock happens when a sudden loss of body fluids takes place which is extremely dangerous.
Example:
At the time of delivery, there is blood loss from the body. At the time of injury there is a loss of blood from the body. These processes leads to loss of blood and body fluids.
In case of extensive burns leads to loss of body fluids.
Hence, the correct answer is option A.
