If the sodium pump in the membranes of the photoreceptors were completely blocked, the result would be
A) grey images as only rods would function.
B) darkness (blindness).
C) an increase in visual acuity.
D) the cells would not be able to produce glutamate.
E) bright white light as all cones would be activated.
B) darkness (blindness).
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The addition of a buffer to liquid such as blood with a pH of 7.4 causes the pH to drop to 7.0 (chemically neutral)
Indicate whether this statement is true or false.
Digestion decomposes fat molecules into fatty acids and ____
a. nucleic acid b. glutamic acid c. glucose d. glycerol
Which statement is FALSE?
A. If the receptive field is small, precise localization of the stimulus is easily determined. B. The receptors in our ears for balance and equilibrium are tonic receptors. C. The special senses are examples of interoceptors. D. The interoceptors, or visceroceptors, are primarily stretch receptors. E. Pacinian corpuscles, Meissner corpuscles, Krause bulbs. and Ruffini corpuscles are examples of encapsulated receptors.
Which organ is found predominantly in the epigastric region?
A) Stomach B) Left kidney C) Rectum D) Urinary bladder