What structure is covered by many blood vessels and adheres tightly to the surface of the brain?
A) pia mater
B) arachnoid mater
C) dura mater
D) falx cerebelli
E) choroid plexus
Answer: A
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The coronary sinus drains the ________ into the ________
A) coronary arteries; left ventricle B) cardiac veins; right atrium C) interventricular artery; left ventricle D) right atrium; right ventricle E) cardiac vein; right ventricle
The first estrus that occurs shortly after parturition is the _____________________
Fill in the blank(s) with correct word
Which of the following selectively activates beta-2 receptors at low doses, making it possible to dilate bronchioles in the treatment of asthma?
a. salbuterol b. atropine c. metoprolol d. neostigmine e. curare
A(n) ________ is the region of the molecule that is recognized by antibodies.
A. epitope B. antibody monomer C. major histocompatibility complex (MHC) D. hapten E. antigen