Which group of ophthalmic drugs promotes the outflow of aqueous humor by lifting the iris away from the filtration angle area?
a. miotic drugs
b. topical anesthetics
c. mydriatic drugs
d. osmotic drugs
.A
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Which curves of the vertebral column are present at birth?
A. Thoracic and sacral B. Lumbar and cervical C. Lumbar and sacral D. Cervical and thoracic E. Lumbar and thoracic
Brain blood flow autoregulation ________.
A) is less sensitive to pH than to a decreased oxygen level B) causes constriction of cerebral blood vessels in response to a drop in systemic blood pressure C) is abolished when abnormally high CO2 levels persist D) is controlled by cardiac centers in the pons
Neuron A and neuron B release a minimal amount of neurotransmitter simultaneously onto neuron C, causing neuron C to experience an action potential. This is an example of
a. temporal summation b. spatial summation c. convergence d. both a and c e. both b and c
Actin is an ATPase enzyme
Indicate whether the statement is true or false.