What physiological response may decrease due to a2s exposure in ruminants?

What physiological response may decrease due to a2s exposure in ruminants?

• A. Increased muscle twitching
• B. Decreased respiratory rate
• C. Elevated blood oxygen levels
• D. Heightened alertness

Answer: (B)

The physiological response that may decrease due to alpha-2 adrenergic agonist exposure in ruminants is the respiratory rate. Alpha-2 agonists are known to cause sedation and can significantly affect the central nervous system, leading to a reduced respiratory drive. This is a result of the drugs' action on the alpha-2 receptors, which inhibits neurotransmitter release and depresses respiratory function. As the sedative effects take hold, the respiratory rate commonly decreases, which can be a critical consideration in a clinical setting where monitoring of respiratory function is vital. In contrast, options like increased muscle twitching, elevated blood oxygen levels, and heightened alertness reflect physiological changes that do not align with the sedative effects of alpha-2 agonists. The use of these agents tends to lead to relaxation and decreased activity, indicating that the respiratory rate is indeed the most affected response in this scenario.

The physiological response that may decrease due to alpha-2 adrenergic agonist exposure in ruminants is the respiratory rate. Alpha-2 agonists are known to cause sedation and can significantly affect the central nervous system, leading to a reduced respiratory drive. This is a result of the drugs' action on the alpha-2 receptors, which inhibits neurotransmitter release and depresses respiratory function. As the sedative effects take hold, the respiratory rate commonly decreases, which can be a critical consideration in a clinical setting where monitoring of respiratory function is vital.

In contrast, options like increased muscle twitching, elevated blood oxygen levels, and heightened alertness reflect physiological changes that do not align with the sedative effects of alpha-2 agonists. The use of these agents tends to lead to relaxation and decreased activity, indicating that the respiratory rate is indeed the most affected response in this scenario.