Which elements of the cytoskeleton help maintain the shape of the cells, move organelles around, and aid in cell division?
A. Cilia
B. Intermediate fibers
C. Actin filaments
D. Microtubules
Answer: D
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The specialized underlying portion of the muscle cell membrane is called the sensory end plate
a. True b. False Indicate whether the statement is true or false
If a bioactive drug undergoes a significant first pass metabolism and is administrated orally, the drug is more likely:
a. Absorbed through the GI tract, delivered to the liver through the portal vein, and inactivated by liver enzymes b. Absorbed through the GI tract, delivered to the liver through the hepatic artery, and inactivated by liver enzymes c. Absorbed through the GI tract, delivered to the liver through the hepatic vein, and inactivated by liver enzymes d. Absorbed through the GI tract, delivered to the brain through the circle of Willis, and affecting the brain function e. Absorbed through the GI tract, stored in the gallbladder and released in the small intestines to help digest food
Which would be a typical blood pressure for a man?
A) 50/40 mm Hg B) 120/80 mm Hg C) 85/120 mm Hg D) 220/100 mm Hg
Why does botox diminish frown lines?
A. It blocks the release of calcium from the sarcoplasmic reticulum. B. It blocks the release of acetylcholine from motor neurons. C. It blocks sodium channels in motor neurons. D. It blocks the binding site for myosin heads. E. It blocks acetylcholine receptors.