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Chapters 23-26

Chapters 23-26 covering week 9

QuestionAnswer
Describe receptor potential. When an adequate stimulus acts on a receptor, a local potential develops in the receptor’s membrane. This receptor potential is a graded response, graded to the strength of the stimulus.
What are the six categories that classify receptors? Mechanoreceptors, chemoreceptors, thermoreceptors, nociceptors, photoreceptors and osmoreceptors.
What is diabetic neuropathy? The loss of ability to sense pain on certain areas of the body surface in people with uncontrolled or poorly controlled diabetes.
Describe root hair plexuses. They are rapidly adapting free nerve endings that are activated when very slight movement on or in the skin bends or de-forms a hair shaft or follicle surrounded by the receptor
What are the classifications of tongue papillae? Fungiform papillae, circumvallate papillae, foliate papillae and filiform papillae.
What is the name of the process where each different hormone-receptor interaction produces different regulatory changes within the target cell Signal transduction
Describe down-regulation. The rate of receptor degradation exceeds the rate of receptor synthesis, the target cell’s number of receptors will decrease. Because the number of receptors, and thus the sensitivity of the target cell, go down
What are the four principal tropic hormones that are produced and secreted by the basophils of the pars anterior? Thyroid-stimulating hormone (TSH), adrenocorticotropic hormone (ACTH), follicle-stimulating hormone (FSH) and luteinizing hormone (LH).
What are the two primary actions of oxytocin? It stimulates rhythmic contraction of smooth muscles in the uterus, and it causes milk ejection from the breasts of lactating women.
Aldosterone secretion is controlled mainly by the ___________ and by blood potassium concentration. reninangiotensin-aldosterone system (RAAS)
Created by: PinoyAdobo
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