A stimulus either causes an action potential or it doesn't. This is called ________.
A. a latent period response
B. an all-or-none response
C. a graded response
D. a local response
E. a relative refractory response
Answer: B
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Spongy bone is made up of a network of bony rods or plates called
A) trabeculae. B) osteons. C) lamellae. D) canaliculi. E) perforating canals.
Lymph travels from the medullary sinus to which structure in the figure?
a) A b) B c) C d) D e) E
Systemic arterial is less than tissue
Indicate whether the statement is true or false
Which statement is false regarding the function of ADH in regulating urine volume and concentration?
A. ADH targets distal convoluted tubules and collecting ducts in the kidney to make them more permeable so more water is reabsorbed. B. If blood sodium concentration increases or blood pressure falls, the hypothalamus sends nerve signals to the posterior pituitary telling it to release ADH. C. Under the influence of ADH, the kidney conserves water and sodium. D. ADH only has an effect on water reabsorption, not sodium reabsorption.