1121. Receptor activated by acetyle choline ,But blocked by atropine is ___________.

A. Nicotine *
B. Muscarinic
C. Both
D. None

1122.All of the following alter calcium homeostasis except___________________.

A. Fluoride
B. Mithramycin
C. Thiazide
D. Indomethacin *

1123. Betablocker lease detrimental in sick sinus syndrome is ____________.

A. Propranolol
B. Metaprolol
C. Naadolol
D. Pindolol *

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