MUSCLE PHYSIOLOGY

PHYSIOLOGY

MUSCLE RECEPTORS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Changes in blood osmolality or with any fluids in the body would stimulate which receptor?
A
Chemoreceptors
B
Nociceptors
C
Photoreceptors
D
Osmoreceptors
Explanation: 

Detailed explanation-1: -Osmolality of body fluids is monitored by hypothalamic osmoreceptors, which regulate both water intake (thirst) and renal conservation of water through adjustments in the rate of ADH secretion (see Chapter 9).

Detailed explanation-2: -An osmoreceptor is a sensory receptor primarily found in the hypothalamus of most homeothermic organisms that detects changes in osmotic pressure.

Detailed explanation-3: -Osmoreceptors (Fig. 4-11) located in the hypothalamus (and also in the carotid artery) are capable of sensing the concentrations of solutes, particularly sodium ion.

Detailed explanation-4: -Osmoreceptors regulate sodium and water balance in a manner that maintains the osmotic pressure of the extracellular fluid (ECF) near an ideal set point.

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