PATHOLOGY

PATHOLOGY MCQ

ENDOCRINE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Maintaining a constant body temp, supply of glucose, amount of water, and pH are examples of
A
negative feedback
B
enzymes and substrates
C
positive feedback
D
chemical digestion
Explanation: 

Detailed explanation-1: -Another example of negative feedback is the regulation of the blood calcium level. The parathyroid glands secrete parathyroid hormone, which regulates the level of calcium in the blood. If calcium decreases, the parathyroid glands sense the decrease and secrete more parathyroid hormone.

Detailed explanation-2: -Thermoregulation is an example of negative feedback. The hypothalamus in the brain is the master switch that works as a thermostat to regulate the body’s core temperature (Figure 1).

Detailed explanation-3: -Homeostasis is the ability to maintain internal stability in an organism in response to the environmental changes. The internal temperature of the human body is the best example of homeostasis.

Detailed explanation-4: -The tendency to maintain a stable, relatively constant internal environment is called homeostasis. The body maintains homeostasis for many factors in addition to temperature. For instance, the concentration of various ions in your blood must be kept steady, along with pH and the concentration of glucose.

There is 1 question to complete.