When water is lost, but electrolytes are retained,
A) the osmolarity of the ECF falls.
B) osmosis moves water from the ICF to the ECF.
C) both the ECF and the ICF become more dilute.
D) there is an increase in the volume of the ICF.
E) aldosterone is secreted.
B
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Your friend slaps you on the arm. Immediately, you feel a sharp, stinging pain that stops promptly after the slap is over. ________ are responsible for this sensation. For about a minute afterward, you feel a dull, lingering sting. ________ are responsible for this sensation.
A. C fibers; A-delta fibers B. Lamellated corpuscles; Tactile corpuscles C. A-delta fibers; C fibers D. Tactile corpuscles; Lamellated corpuscles
Formation of a platelet plug is initiated by ________ binding to ________.
A) von Willebrand factor : collagen B) ADP : platelets C) thrombin : platelets D) fibrin : erythrocytes E) arachidonic acid : collagen
During motor activity, alpha-gamma coactivation provides important information regarding muscle length to the higher motor control centers
Indicate whether the statement is true or false.
Which reflex constricts pupils when we view close objects?