Short chains of amino acids and some intact proteins are absorbed from the small intestine.
Answer the following statement true (T) or false (F)
True
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During a cross-bridge cycle in skeletal muscle,
a. the cross bridge is energized when it splits ATP into ADP and P b. the cross bridge must bind with ATPase before a power stroke will occur c. Ca2+ causes tropomyosin to move off of the myosin's actin-binding sites d. ADP binds to the cross bridge at the end of the power stroke e. both a and b occur
Which of the following is not a hipbone?
A. Ilium B. Ischium C. Pubic D. Femur
A patient has polyuria and polydipsia, and the urine osmolality is 100 mOsm/kg H2O. After an intravenous injection of ADH, urine volume decreases and urine osmolality increases. What is the most likely disorder in this patient?
A. SIADH (syndrome of inappropriate ADH secretion) B. osmotic diuresis C. central diabetes insipidus D. nephrogenic diabetes insipidus E. nephrolithiasis (renal stone)
Which of the following structures has both endocrine and exocrine tissue?
A. colon B. liver C. pancreas D. gallbladder E. spleen