Complete Solutions
__________________is the transfer of thermal energy between
an object and an external fluid that is moving (e.g., water or air).
Correct Answer convection
"Stratified columnar" is a description that would apply to what
type of animal tissue? Correct Answer epithelial
A countercurrent flow system between substance A and
substance B Correct Answer maximizes the exchange by
having A and B flow in opposite directions
A dry mixture of gases has a total pressure of 750 mm Hg, and
oxygen comprises 20% of the gas mixture. The partial pressure
of oxygen (PO2) is equal to Correct Answer 150 mm Hg
A human who has no access to fresh water but is forced to drink
seawater instead will _____. Correct Answer excrete more
water molecules than taken in, because of the high load of ion
ingestion
A major means for conserving heat is Correct Answer
vasoconstriction of cutaneous blood vessels
A researcher is setting up an experiment to measure basal
metabolic rate in prairie voles (Microtus ochrogaster-a small
rodent). Which of the following would be the best set of
conditions for the voles immediately before and during the
measurement? Correct Answer House the animals in a cage
, with no food for a few hours before measurement; conduct
measurements in a room the same temperature as the room
where housed.
All gases exchanged between air and blood in mammals occurs
across the walls of the Correct Answer alveoli
All of the following are part of our antigen specific defense
mechanisms except: Correct Answer acute inflammation
All of the following stimuli would lead to a faster rate of SA
node discharge EXCEPT Correct Answer stimulation by the
parasympathetic nervous system
Allergies are the result of an exaggerated immune response.
What triggers this response? Correct Answer Allergens
An evolutionary adaptation that enables animals with more
complex body designs to ensure sufficient exchange with their
environment Correct Answer highly folded internal surfaces
An example of an ectothermic organism that has few or no
behavioral options when it comes to its ability to adjust its body
temperature is a _____. Correct Answer sea star in the ocean
As filtrate moves down the loop of Henle, the surrounding
interstitial fluid has a _____ osmolality than the filtrate, so
_____ leave(s) the filtrate. Correct Answer higher...water