WGU C785 Preparedness baseline Exam knowledge Test Questions with A+ rated Marking scheme Latest 2024
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Course
WGU C785
Institution
WGU C785
WGU C785 Preparedness baseline Exam knowledge Test Questions with A+ rated Marking scheme Latest 2024
During aerobic exercise, CO2 is released by the tissues and as a result the CO2 increases. This, in turn, results in the CO2 combining with H2O to produce a bicarbonate ion and a proton (H+). This...
WGU C785 Preparedness baseline
Exam knowledge Test Questions with
A+ rated Marking scheme Latest
2024
During aerobic exercise, CO2 is released by the tissues and as a
result the CO2 increases. This, in turn, results in the CO2
combining with H2O to produce a bicarbonate ion and a proton
(H+). This increase in protons, thus lowers the pH.
Identify the factors that favor the deoxygenated form of
hemoglobin.
Excess protons, high carbon dioxide
Excess protons, low carbon dioxide
Few protons, low carbon dioxide
Few protons, high carbon dioxide - correct answer Excess
protons, high carbon dioxide
Favoring deoxygenated hemoglobin means oxygen is being
delivered or released from hemoglobin. When the tissues are using
O2 to make ATP, CO2 is a byproduct. As CO2 accumulates in the
blood it is converted to bicarbonate and H+ (protons). It's the
build-up of H+ that lowers the pH and also initiates the release of
oxygen from hemoglobin. Thus, high CO2 means excess H+, lower
pH, and delivery of O2.
During gluconeogenesis, how many ATP molecules are consumed
for each glucose molecule produced?
4
2
,1
6 - correct answer 6
It takes 6 ATP molecules to produce glucose through
gluconeogenesis.
Which molecule signals the liver to release glucose by breaking
down glycogen?
Insulin
Eicosanoids
ATP
Glucagon - correct answer Glucagon
Insulin release increases glycogenesis which forms new glucose.
Which molecule is regenerated with the production of lactate
during anaerobic metabolism?
FAD
NAD+
ADH
FADH2 - correct answer NAD+
Fermentation regenerates NAD+ so that it can be used by
glycolysis.
During aerobic metabolism, acetyl-CoA is produced from which
molecule?
Glycerol
Lactate
, Pyruvate
Oxaloacetate - correct answer Pyruvate
Acetyl-COA is produced from the breakdown of pyruvate after
glycolysis.
Why would a marathon runner consume a large meal full of
complex carbohydrates the night before her run?
To replenish cellular stores of protein
To replenish cellular stores of ketone bodies
To replenish cellular stores of glycogen
To replenish cellular stores of DNA - correct answer To replenish
cellular stores of glycogen
A large amount of carbohydrates can be stored as glycogen and
used during exercise.
Why must red blood cells rely solely on glycolysis to make ATP?
Red blood cells lack mitochondria.
Red blood cells absorb too much oxygen.
Red blood cells lack cytoplasm.
Red blood cells cannot absorb oxygen. - correct answer Red
blood cells lack mitochondria
Red blood cells lack mitochondria and must depend upon anaerobic
metabolism to produce ATP.
What are advanced glycation end products (AGEs)?
The end products of glycogenolysis
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