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PNB 2274 - MISC Exam 1 With Complete Solutions
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PNB 2274 - MISC Exam 1 With CompleteSolutions
inverse of flux Answer: membrane thickness, molecular size
what happens when you bake a bone? Answer: collagen brakes down, hydroxyapatite is left in
bone. brittle bone
what happens when you put a bone in acid? Answer: hydroxyapatite breaks down, collagen is left in
bone. bone is bendy
sodium/potassium pump exchange Answer: 3 Na out, 2 K in, 1 ATP
fastest communication between cells Answer: gap junctions
antagonistic hormone Answer: Two hormones that have opposite effects.
Agonistic hormones Answer: two hormones that have the same effects
in the case of osteoporosis, bones have Answer: more mass but more brittle
Which of the following is not a component of blood?
A. Plasma
B. Red blood cells
C. Collagen
, D. Albumin Answer: collagen
viscoelasticity Answer: property of a material expressed by a changing stress-strain relationship
over time
Anisotropy Answer: directional dependence of a behavior
Viscoelasticity Answer: time dependent strain
speed of loading
Which class of transporters is most affected by lidocaine which is used for numbing?
A. Pumps
B. Channels
C. Exchangers
D. Active Carriers Answer: channels
What is required to make the major protein fibers present in bone?
A. Actin double helix
B. Tropocollagen triple helix
C. Keratin fibers
D. Tubulin tubes Answer: B. Tropocollagen triple helix
In apocrine secretion partial cellular fragmentation occurs this means that:
A. Stem cells divide to replace lost cells
B. Products are secreted by vesicle exocytosis
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