Autonomic motor neurons regulate visceral activities by
1. increasing activities in effector tissue.
2. decreasing activities in effector tissue.
3. changing the direction of impulse conduction across synapses.
a) 1 only
b) 2 only
c) 3 only
d) Both 1 and 2
e) None of these choices
d
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Which of the following statements is correct with respect to the sites of synthesis of B and T cells?
A) In bony fish, B cells are produced in the kidney or spleen. B) In most vertebrates, B cells are produced in body cells, but in different locations of the body. C) Jawless fish produce T cells in the thymus. D) Bony and cartilaginous fish produce T cells in the gill region, referred to as the thymoids.
Define systole and diastole. Which heart chambers are usually referenced when these terms are used?
What will be an ideal response?
Growth hormone signals the release of IGF-1 from the
A) liver. B) spleen. C) pancreas. D) pituitary gland.
Chloride homeostasis is achieved mainly as a result of ________ homeostasis
A) Na+ B) HCO3- C) PO43- D) K+ E) H2PO4-