Define hemostasis
A) Hemostasis is an antigen-antibody binding response that alerts the immune system to a non-self antigen.
B) Hemostasis is the maintenance of relatively normal internal conditions in the face of a changing external environment.
C) Hemostasis is the process of stopping bleeding.
D) Hemostasis is the production of new blood components in the red bone marrow.
E) Hemostasis is the regulation of the hormones that control blood composition.
Answer: C
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Which is not a characteristic of the hormone oxytocin?
a. it stimulate uterine contractions. b. it promotes milk ejection from mammary gland ducts. c. it influences bonding behavior between mother and baby. d. it is a tropic hormone. e. none of these answers.
How would blocking the activity of acetylcholinesterase affect skeletal muscle?
A) It would make the muscles less excitable. B) It would produce muscle weakness. C) It would cause spastic paralysis (muscles are contracted and unable to relax). D) It would cause flaccid paralysis (muscles are relaxed and unable to contract). E) It would have no effect on skeletal muscles.
Which of the following factors increases insulin but not glucagon secretion?
a. Increased blood glucose levels b. Increased amino acids (especially during a protein-rich meal) c. An anticipatory response mediated through an increase in vagal activity and gastrointestinal hormones d. Both a and c e. Both b and c
Compounds A, B, and C have molecular weights of 10, 50, and 100, respectively. If 5 grams of each compound were put into 1 liter of water, which compound will have the greatest molar concentration?
A. Compound A B. Compound B C. Compound C D. All will have the same molar concentration.