Question
fill in blanks
Fill-in (1 pt per blank) 5. The Organ of Corti when stimulated will allow passive movement of ________ ion into the hair cells that become depolarized and release the neurotransmitter that stimulate the cochlear nerve. 6. The ciliary body of the eye secretes aqueous humor into the posterior chamber. The fluid flows to the anterior chamber into the canal of Schlemm which returns it to the venous blood. If this flow is blocked the inner eye pressure (intraocular pressure) increases and may cause . 7. A gradual increase in photoreceptor sensitivity is known as dark adaption and is due to an increase in the pigment __________________ of the _________ cells. 8. In the presence of light, the rod cells lose K+ and hyperpolarizes, this results in an increase or decrease choose one) release of an inhibitory neurotransmitter to bipolar cells which is then able to stimulate ganglion cells and send a signal to the brain. 9. Adenylate Cyclase-cAMP, __________ __________ and ______________ are three types of Second-Messenger Systems utilized by hormones that cannot pass through the lipid barrier of the target cell's plasma membrane. The binding of myosin motors to actin myofilaments is referred to as a The releases mineralocorticoids such as Aldosterone, which helps kidneys to retain Na+ and water while excreting K+. 12. Alpha cells of the Pancreatic islets release when blood glucose levels are
Explanation / Answer
6. the bursting of the eye.
8. decrease
9.IP3, DAG, calcium
10. muscle contraction
11. adrenal cortex
12.glucagon when blood glucose levels are low
