Eyelids serve two purposes: one is to protect the eye and the other is to
A. help distribute blood to the eye surface.
B. help distribute lacrimal fluid to cleanse and lubricate the surface.
C. help spread antiviral solution.
D. help to control the transmission of the nerve impulse to the retina.
E. prevent excess mucus from obscuring vision.
B
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Which of the following are not aging-dependent problems of the lymphoid system?
A) increased susceptibility to infection B) T cells become less responsive C) appendicitis D) reduced number of helper T cells E) cancer incidence increases
Aquaporins will be formed in the proximal convoluted tubule in response to antidiuretic hormone.
Answer the following statement true (T) or false (F)
The basal nuclei (basal ganglia) ________
A) are located in the diencephalon B) control heart rate, respiration, blood pressure, and other autonomic functions C) are involved in regulating voluntary motor activities D) are located in the diencephalon, are involved in regulating voluntary motor activities, and control heart rate, respiration, blood pressure, and other autonomic functions
The site in the neuron where EPSPs and IPSPs are integrated is the
A) chemical synapse. B) electrical synapse. C) axon hillock. D) dendritic membrane. E) synaptic terminal.