Explain the term dynamic steady state.
What will be an ideal response?
Dynamic indicates that materials are constantly moving from compartment to compartment, but steady state implies there is no net movement between the compartments.
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The proximal convoluted tubule is lined with a
A. cuboidal epithelium with a large surface area. B. simple columnar epithelium with a slick smooth surface. C. stratified squamous epithelium with a large surface area. D. stratified squamous epithelium with a tough, durable surface. E. simple squamous endothelium that makes a slick surface.
Which of the following does not occur during the micturition reflex in a baby?
a. The motor neuron supplying the external sphincter is stimulated. b. The parasympathetic nerve supply to the bladder is stimulated. c. The internal urethral sphincter mechanically opens due to changes in the shape of the bladder. d. The external urethral sphincter is relaxed. e. The bladder contracts.
The numbers of spinal nerves correspond to the number of vertebrae in each region of the spine except for
A) cervical. B) lumbar. C) sacral. D) thoracic.
Hair begins to grow by the fourth month of fetal development.
Answer the following statement true (T) or false (F)