Which of the following characterizes Duchenne muscular dystrophy?
A. Muscles atrophy due to a loss of fat and scar tissue.
B. There is a defective gene for the protein called duchennase.
C. More females are affected than males.
D. Muscles atrophy due to lack of response to acetylcholine.
E. There is a defective gene for the protein called dystrophin.
E. There is a defective gene for the protein called dystrophin.
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Increased tissue respiration rates cause local vasodilation of arterioles
Indicate whether the statement is true or false
Which of the following is not found in the filtrate at the end of the proximal tubules
a. water b. glucose c. urea d. salts e. all of the above are found
The loss of 0.5 L of sweat would stimulate a greater increase in vasopressin secretion than the loss of an equal amount of blood plasma over the same period of time. This statement is:
A. true, because sweat is hyperosmotic to plasma. B. true, because sweat is hypoosmotic to plasma. C. false, because sweat is hypoosmotic to plasma. D. false, because sweat is isosmotic to plasma. E. false, because sweat is hyperosmotic to plasma.
The hypothalamus controls hormonal secretions of the pituitary gland.
Answer the following statement true (T) or false (F)