In a reflex arc, what is the receptor?
A. Either the brain or spinal cord where the signal is received from the afferent neuron and conducted to a motor neuron
B. The dendrite of a neuron receiving the stimulus
C. The structure causing the effect
D. None of these answers are correct.
Answer: B
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Summation
a. results from increases in cystolic calcium levels. b. a decreased in the rate of firing of the motor neuron c. produces weaker than normal contractions d. rarely results in tetany. e. none of these answers.
Read the two statements and use the following key to choose the best answer.A. The first item is greater than the second item.B. The first item is less than the second item.C. The first item is equal or nearly equal to the second item.(1) The rate of erythropoiesis when erythropoietin is present(2) The rate of erythropoiesis when erythropoietin is absent
Fill in the blank(s) with the appropriate word(s).
Summarize the principle of complementarity of structure and function
What will be an ideal response?
Drugs known as beta-blockers may be useful for treating
A) constipation. B) diarrhea. C) excessive salivation. D) excessive heart rate. E) depressed heart rate.