Arrange the following events in the proper sequence:
1. Efferent neuron reaches threshold and fires an action potential.
2. Afferent neuron reaches threshold and fires an action potential.
3. Effector organ responds by performing output.
4. Integrating center reaches decision about response.
5. Sensory organ detects change in the environment.
A) 5, 3, 4, 2, 1
B) 5, 2, 4, 1, 3
C) 5, 1, 4, 2, 3
D) 2, 3, 5, 1, 4
E) 3, 1, 4, 2, 5
D) 2, 3, 5, 1, 4
You might also like to view...
Menstrual cramps are most commonly caused by
A. increased FSH levels. B. increased estrogen secretion by the ovary. C. increased prostaglandin secretions. D. increased HCG hormone release. E. a decreased inflammatory response in the endometrium.
Of the different types of reptile, which includes iguanas and lizards?
A) Crocodilia B) Serpentes C) Chelonia D) Squamata
The correct order in which blood passes through these structures from leaving the heart until its return is
The following is a list of the vessels that blood passes through from the heart back to the heart. 1. Venules 2. Arterioles 3. Capillaries 4. Elastic arteries 5. Medium veins 6. Large veins 7. Muscular arteries a. 7,4,2,3,1,5,6 b. 6,5,1,3,2,7,4 c. 5,6,1,3,2,7,4 d. 2,7,4,3,1,5,6 e. 4,7,2,3,1,5,6
In this transport process, the energy from hydrolysis of ATP is used to drive substances across the membrane against their own concentration gradients
a) primary active transport b) secondary active transport c) facilitated diffusion d) passive diffusion e) osmosis