FULL SOLUTION SET
◉ Blood samples taken from an athlete who has been on a high-card diet
for 24 hours might be expected to exhibit which of the following?
Answer: high levels of insulin
◉ You wake up in the morning and measure your blood glucose and see
that you are hypoglycemic. Which of the following hormones would be
released in your body to correct the glucose level back to normal?
Answer: glucagon
◉ During a stress test measuring VO2-max which of these would best
indicate that the test subjects maximum VO2 max level has been
reached? Answer: the rate of VO2 max increases levels off to steady
value during the test the VO2-max equal the amount of glucose
continued
◉ In the oscilloscope tracing above of a neuron firing K ion channels
open maturity during which number? Answer: 4
◉ Assume that a single iPSP has a negative magnitude of -0.5 mV at the
exon hillock and that an angle EPSP has a positive magnitude of %0.5
mV For a neuron with an initial membrane potential of -79 mV the net
, effect of the arrival of 6 iPSPs and 2 EPSPs would be likely to move the
membrane potential to a value of? Answer: -72mVl
◉ Saltadory conduction is a term applied to? Answer: jumping of
impulses from one node of Ranvier to the next node in myelinated
neuron
◉ A poisonous toxin that binds specifically to voltage gated sodium
channels in axons might be expected to? Answer: prevent the
depolarization phase of an action potentials
◉ In the figure below what does the label "C" represent? Answer: Z-
Line
◉ What major muscle protein is the most prominent in the Light Band
(isotropic Band) - the label B in the figure below- of skeletal muscle
cells? Answer: actins
◉ The muscle protein which bind Ca ions is? Answer: troponen-C
◉ Which of the following events does NOT occur during skeletal
muscle contractions? Answer: tropomyosin bind directly to myosin
heads