Phisological needs

Question 1

Need

Answer 1

Any condition within an organism that is essential for life,

growth, and well-being:

Question 2

Physiological need

Answer 2

•Specific deficiency in the body that must be satisfied (essential for
survival):

Question 3

Drive

Answer 3

•Psychological term
– behavioral manifestation
– the motor of behavior
– may or may not be based on need:
• low blod sugar level  need yes, drive yes
• vitamin D deficiency  need yes, drive no
• sacharinated water  need no, drive yes

Question 4

Oxygen

Answer 4

– involuntary control
– voluntary control  motivational aspect
• environmental effects (ventilation, harm, underwater)
• breathing control procedures: yoga and other meditation techniques
• patients on ventilation machine

Question 5

Temperature

Answer 5

•Cold blooded animals: body temperature changes with environment
(but: seek warmth, where more vigile)
•Warm blooded animals: ± stable body temperature despite changing
environmental temperature

Question 6

In case of cold

Answer 6

•Vasoconstriction on body surface: decreasing heatdissipation
•Trembling: heat production
– 20% of energy is spent on movement itself
– 80% is transformed into heat

Question 7

In case of warmth

Answer 7

•Great portion of chemical energy used in body is
transformed into heat, heating the tissues. This heat must
be lead away, by different way

Question 8

Thirst

Answer 8

– Threshold of hypovolemic thirst: cca. ½%

Question 9

Extrinsic motivation

Answer 9

Arises from environmental incentives and consequences:

Question 10

Intrinsic motivation

Answer 10

Psychological need to be satisfied, innate striving for

growth: ”I want to”