What is a renal papilla?
a) a site of blood filtration
b) an indented area on the medial edge of a kidney
c) the tip of a renal pyramid
d) an area of cortex overlying a pyramid
c) the tip of a renal pyramid
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Your friend is poking your skin with two pins a few millimeters apart at the same time. Visually, you can see there are two pins, but you can only feel a single pen poke. This is probably because:
A. the receptors in both skin areas utilize the same afferent neuron. B. both pens are activating the same receptor. C. both afferent neurons converge on the same interneuron. D. both sensations are grouped together in the somatosensory cortex.
Which of the following is the most plentiful buffer in the tubular fluid of the kidney collecting duct?
a) Bicarbonate ion b) Monohydrogen phosphate ion c) Ammonium ion d) Dihydrogen phosphate ion e) None of these
Which of the following is/are true statement(s) regarding the law of gravitation?
A. All bodies are attracted to one another with a force proportional to the product of their masses. B.All bodies are attracted to one another with a force inversely proportional to the square of the distance between them. C. The law of gravitation ceases to exist outside the earth's atmosphere. D. both A and B E. all of the above
What area of retina is specialized for detailed vision?
What will be an ideal response?What will be an ideal response?