Which of the elements of a reflex arc is responsible for delivering motor impulses from the central nervous system to effector organs?
A) motor neuron
B) sensory neuron
C) integration center
D) sensory receptor
A
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Which of the following statements are true regarding an ectopic pregnancy?
A. It may involve implantation of the conceptus on the surface of the uterus. B. It usually begins as a tubal pregnancy. C. It may end in a live birth by caesarian section. D. It may involve implantation of the conceptus on the surface of the colon. E. All of these choices are correct.
The primary function of the proximal convoluted tubule is ________.
Fill in the blank(s) with the appropriate word(s).
Transport across the brain capillary walls is anatomically prevented between the cells and is physiologically restricted through the cells
Indicate whether the statement is true or false
Receptors that detect changes in the blood pressure are located in
a. the carotid sinus b. the aorta c. the hypothalamus d. all of the above e. both a and b