Which structures are responsible for creating a direct electrical connection between cardiac muscle cells?
A) gap junctions
B) maculae adherens
C) intercalated discs
D) desmosomes
E) fascia adherens
Answer: A) gap junctions
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Indicate whether the statement is true or false
Upregulation of a target cell can occur in response to
A) prolonged increase in the level of a hormone. B) signals from antagonistic hormone products. C) prolonged decrease in the level of a hormone. D) signals from the posterior pituitary.
Which of these variables is most closely regulated by homeostatic reflexes?
a. deliver CO2 to the lungs b. deliver ATP to cells for fuel c. deliver heat to skin to regulate body temp d. deliver O2 to all cells of body e. deliver H2O to all cells f. deliver hormones to all cells -only target cells respond g. deliver glucose to cells for use or storage h. deliver immune cells to sites of
Which condition is caused by chronic hyperglycemia?
A. Kidney stones B. Polycystic kidney disease C. Ischemic nephropathy D. Diabetic nephropathy