If a man exercises by doing push-ups every day, he would strengthen or enlarge which of the following muscles?
A. Supraspinatus
B. Triceps brachii
C. Gastrocnemius
D. Biceps brachii
E. Thenar muscles
Answer: B
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A pneumothorax allows intrapleural pressure to equilibrate with atmospheric pressure
Indicate whether the statement is true or false
As blood travels through a systemic capillary and exchanges gases with systemic cells,
A. the partial pressure of oxygen in blood decreases as it goes from arterioles to venules. B. the partial pressure of oxygen in blood increases as it goes from arterioles to venules. C. the partial pressure of oxygen on blood remains the same as it goes from arterioles to venules.
Nurse Cameron has been asked to mix an isotonic intravenous solution for an emergency room patient who has lost a lot of blood. The available solutes include glucose (m.w. 180), NaCl (m.w. 58.5), and urea (m.w. 60). How should she make up 10 L of IV solution with an osmolarity of 290 mOsm (isosmotic), making sure that it will also be isotonic?
What will be an ideal response?
Angiogenesis
A. is a momentary chemical control of local blood flow. B. involves muscular constriction of arterioles to alter local perfusion. C. allows for an increase in the perfusion of a local tissue. D. involves building new muscle tissue and decreasing the amount of blood vessels in a region.