and Answers.
All homeostatic pathways require integration from the nervous system
A.True
B.False - Answer False
Which of the following is a teleological answer for the following: Why do the lungs expand
during inspiration?
A.Because contraction of the diaphragm causes thoracic cavity volume to increase
B.Because air needs to be brought into the lungs for gas exchange - Answer B.Because air
needs to be brought into the lungs for gas exchange
Which of the following is a mechanistic answer for the following: How does the collecting duct
of the kidney conserve water?
A.Because the body needs to maintain a homeostatic balance of ionic concentration
B.Because blood pressure depends on blood volume
C.Because vasopressin inserts additional water pores which results in an increase in water
retention - Answer C.Because vasopressin inserts additional water pores which results in an
increase in water retention
John has decided to enter a body building competition. He gets a gym membership and begins
his journey. As he enters the weight room, he picks up a dumb bell and brings it up to his chest.
What type of work was primarily used to accomplish this task? - Answer Mechanical work
John's hard work is paying off! Over the next several months, John notices an increase in the
size of his biceps brachii, what type of work was primarily used to cause this increase in muscle
mass? - Answer Chemical work
Which of the substances would be able to readily/easily cross the plasma membrane?
A.Glucose - polar
B.Na+ - polar
C.Water - polar