The plasma membrane of a skeletal muscle fiber is called the ______________
Fill in the blank with correct word.
sarcolemma
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A major difference between cardiac muscle cells and the cells in the cardiac conducting system is that the contractile cells do not undergo spontaneous depolarization.
Answer the following statement true (T) or false (F)
A patient enters a hospital after a motorcycle accident. He complains of mid-back pain. X-rays reveal both rib and pelvic fractures. His emergency room examination includes urinalysis. Which of the following findings from the urinalysis would most likely suggest trauma to the kidneys from the accident, but not to the urinary bladder?
A. Uremia B. Pyuria C. Hematuria D. Phenylketonuria E. Albuminuria
Compared to a somatic reflex, an autonomic reflex utilizes
A. two motor neurons plus skeletal muscles as effectors. B. one motor neuron plus cardiac and smooth muscle and glands as effectors. C. two motor neurons plus cardiac and smooth muscle and glands as effectors. D. three motor neurons plus skeletal muscles as effectors. E. one motor neuron plus skeletal muscles as effectors.
During reabsorption in the proximal convoluted tubule, most of the Cl? and HCO3? ions are moved by ________ mechanisms.
A. active transport B. counter transport C. osmotic D. passive transport