EEG arousal is the recording of brain activity of someone who has just been awakened from sleep
Indicate whether the statement is true or false.
FALSE
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The bone that articulates with the bone marked M to form the cheek is the
A) zygomatic.
B) temporal.
C) sphenoid.
D) maxilla.
E) lacrimal.
For fun, you have used new molecular biology techniques to insert protein channels into the cell membrane that allow only Na+ and Cl- to pass. Predict which ion(s) will move. Tell what direction it (they) will move and what force(s) is/are acting on it (them).
We have finally discovered life on Venus. NASA scientists are investigating a newly discovered life form: a single-celled organism found in the swampy canals. You have been contracted by NASA to perform an electrophysiology study. Using intracellular electrodes to measure the electrical charge inside the cell, you find it has a resting membrane potential of -45 mV when the outside fluid is arbitrarily set to 0 mV. Additionally, you have determined ion concentrations and listed them below.
Lymphatic vessels, which exit the lymph node and carry the lymph toward the venous system, are called
A) lacteals. B) afferent lymphatic vessels. C) efferent lymphatic vessels. D) lymphatic trunks. E) lymphatic ducts.
Which step in vitamin D production does the kidney perform?
a)converts cholecalciferol into calcidiol b)converts calcidiol into calcitriol c)stores vitamin D d)none of these