NEET PG DENTAL EXAM

HISTOLOGY

INTEGUMENTARY SYSTEM SKIN

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What type of stimulus?Increasing pH levels in blood
A
Internal
B
External
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -The pulmonary system adjusts pH using carbon dioxide; upon expiration, carbon dioxide is projected into the environment. Due to carbon dioxide forming carbonic acid in the body when combining with water, the amount of carbon dioxide expired can cause pH to increase or decrease.

Detailed explanation-2: -Maintaining the Body pH pH is maintained in the body using primarily three mechanisms: buffer systems, respiratory control, and renal control.

Detailed explanation-3: -Blood pH is regulated by multiple homeostatic mechanisms, including chemical buffers, respiration, and the kidneys. The bicarbonate buffer system can act within seconds to minutes to counteract changes in pH, while the lungs take minutes, and the kidneys take hours to days.

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