Questions 5-6 refer to Figure (below) 5. Unit within kidney which filters plasma

Question

Questions 5-6 refer to Figure (below)

5. Unit within kidney which filters plasma water (170-200 L/24 hr, an ultrafiltrate pass) a). pathway 1 b). pathway 2 c). pathway 3 d). none of above

6. Identify the renal function which is associated with tubular secretion. a). pathway 1 b). pathway 2 c). pathway 3 d). none of above

9. With regard to the inner ear, the transmission of a sound wave by a hair cell employs which of
the following transducers?
a) voltage gated ion channel
b) action potential
c) accumulation of intracellular Na+
d) mechanically gated ion channel

10. Determine the strength of a lens needed to correct a myopic eye which has a far point of
(P=1.0 m). Note that lens to retina distance is Q = 0.02 m.
a) + 1.0
b) ?1.0
c) +3.0
d) ?3.0

Explanation / Answer

5. b) path 2
6. c) path 3

9. d) mechanically gated ion channel
10.b)

1/f = 1/- + 1/-1
1/f = -1
D = -1

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