Which photoreceptor cells function in dim light?
A. Cones
B. Rods
Answer: B
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In the body, Na+ ions behave as if they are nonpenetrating solutes because they are actively transported out of cells.
Answer the following statement true (T) or false (F)
Muscles located where will cause flexion of the humerus?
A. anterior to the longitudinal axis of the glenohumeral joint B. anterior to the mediolateral (frontal) axis of the glenohumeral joint C. superior to the anteroposterior axis of the glenohumeral joint D. anterior to the mediolateral (frontal) axis of the humeroulnar joint
In which of the following areas of the nephron would countercurrent multiplication occur?
collecting duct distal convoluted tubule proximal convoluted tubule nephron loop
Edema can occur when there is
A. an increase in blood colloid osmotic pressure. B. an increase in the amount of plasma proteins. C. a decrease in capillary permeability to proteins. D. a blockage of the lymphatics. E. a decrease in blood pressure.