Resistance is a force that
A) increases blood flow.
B) decreases blood flow.
C) never changes in a blood vessel.
D) acts with pressure to move blood along a vessel.
E) is always higher than blood pressure.
B
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The tissue that always has an apical and a basal surface is ________ tissue
A) epithelial B) connective C) muscle D) basal E) apical
Which part of the vertebral column receives the most stress by bearing most of the weight of the body?
A) the sacrum B) the cervical region C) the lumbar region D) the sacral promontory
Because Mary wants to enter a marathon, she decides to consult a trainer who happens to be a kinesiologist. The trainer advises her on what type of muscle fibers she needs to develop and how she should train for it. Which type of muscle fibers are involved? Briefly explain the anatomy and physiology of the trainer's advice.
What will be an ideal response?
Atropine is an antagonist of ACh and works by
a. selectively binding to nicotinic receptors b. selectively binding to muscarinic receptors c. blocking the binding of ACh d. both a and b e. both b and c