An indicator species is an organism whose presence, absence or abundance reflects a specific environmental condition. Indicator species can signal a change in the biological condition of a particular ecosystem, and thus may be used as a proxy to diagnose the health of an ecosystem.
~ A patient is admitted with aortic regurgitation. Which of the following medication classifications are contraindicated since they can cause bradycardia and decrease ventricular contractility is called Calcium channel blockers.
Answer:
prescription drug bottles, appointment slips, medical education brochures
Explanation:
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