Which of the following structures does not pass through the hilum of the lungs?
A. Pulmonary arteries
B. Superior (lobar) bronchi
C. Pulmonary trunk
D. Main (primary) bronchi
E. Pulmonary veins
Answer: C
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Becky is experiencing indigestion and pain. The doctor also notes ascites formation in her abdomen. What is ascites?
A) buildup of bile in the bile duct B) gallstones blocking the cystic duct C) inflammation of the appendix D) buildup of peritoneal fluid in the peritoneal cavity E) buildup of pancreatic juice in the pancreas
In striated muscle, Ca2+ regulates contraction by interacting with troponin and tropomyosin. Explain how Ca2+ is able to regulate the timing of contraction as well as affecting the kinetics of contraction
What will be an ideal response?
The structure of bone tissue suits the function. Which of the following bone tissues is adapted to support weight and withstand tension stress?
compact bone spongy bone trabecular bone irregular bone
What is the most potent stimulus of the thirst mechanism?
A) osmolarity of the ECF B) atrial natriuretic peptide (ANP) C) increased blood pressure D) increased plasma volume