There are three layers of neurons in the retina. The axons of which of these neuron layers form the optic nerves?
A) bipolar cells
B) ganglion cells
C) cone cells
D) rod cells
B) ganglion cells
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_________ is not a tropic hormone
a. ACTH b. ADH c. GIP d. LH e. TSH
Cardiac output can be INCREASED by which of the following?
A. Increased total peripheral resistance (TPR) B. Increased end-systolic volume (ESV) C. Decreased parasympathetic nervous system activity to the heart D. All of the above can increase cardiac output
With regard to the validity of biomedical research in physiological studies, which statement is correct?
A. Although the individual variables may be the same in some animal species, the general homeostatic mechanisms are often very different. B. Although the general homeostatic mechanisms may be the same in some animal species, the individual variables are often very different.
Melatonin is associated with the
A. pineal gland. B. thymus gland. C. adipose tissue. D. hypothalamus.