ACTUAL Exam Questions and CORRECT
Answers
What energy carrier collects energy released by anabolic reactions? - CORRECT
ANSWER - ADP
Water moves towards regions with....... - CORRECT ANSWER - -more solute (salt)
-higher tonicity (more solute)
Where does peripheral resistance cause the greatest reduction in flow? - CORRECT
ANSWER - arterioles
What is a type of bulk fluid that moves through the circulatory vessels of an animal and mixes
freely with the fluid in interstitial space? - CORRECT ANSWER - Hemolymph
What are the sites of electrical synapses between the contractile cells in the heart? They allow the
muscle to synchronize - CORRECT ANSWER - gap junctions
Clams are _______________. The total solute concentration of their body fluids closely matches
that of the seawater in which they live. - CORRECT ANSWER - osmoconformers
What are Arterioles? - CORRECT ANSWER - Blood vessels that are medium to small
diameter. They direct blood to the "most needy" capillary beds
In which of the vertebrates does blood flow directly from respiratory organs to tissues without
first returning to the heart? - CORRECT ANSWER - Fish
(has one circuit)
, Which specific adaption helped birds and mammals maximize delivery of highly oxygenated
blood to their tissues (blood that no longer mixed with deoxygenated blood) - CORRECT
ANSWER - Four-chambered heart
If you noticed a new animal species that had tubular (no clearly defined chambers clustered in
one central location of the body) heart and open circulatory system, what could you conclude
about this animals? - CORRECT ANSWER - The animal has low metabolic needs
This muscular structure is used to create the pressure needed to push blood around in bulk. -
CORRECT ANSWER - Heart
As bood move through the circulatory system of a fish, it flows: - CORRECT ANSWER -
From the heart, to the gills, out to the tissues, and then back to the heart again
(doesn't go back to the heart a second time)
Right side of the heart: - CORRECT ANSWER - Receives blood from the systemic circuit
Left side of the heart: - CORRECT ANSWER - Receives blood from the pulmonary
circuit
Arteries - CORRECT ANSWER - Carries blood away from the heart
-High pressures plus a moderate amount of resistance is typical
Veins - CORRECT ANSWER - Carries blood to the heart
Lipids - CORRECT ANSWER - Yield the highest amount of energy per unit of mass
Proteins - CORRECT ANSWER - Yield the least amount of energy and are the most
costly to rebuild