level: Level 2
Questions and Answers List
level questions: Level 2
| Question | Answer |
|---|---|
| secreted by specialized endocrine cells into the bloodstream, where they travel throughout the body, exerting effects on broadly distributed target cells | Hormones |
| Local mediators | histamine and prostaglandin |
| chemical signals | Neurotransmitters |
| Acetylcholine activates | muscarinic, cholinergic receptors |
| Norepinephrine and epinephrine activates | adrenergic receptors |