What part of the femur articulates with the tibia?
A. Linea aspera
B. Patellar surface
C. Head
D. Condyles
Answer: D
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Thyroid hormone is derived from an amino acid, which makes it soluble in water and able to utilize a second messenger system
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The work of breathing normally requires about 3% of total energy expenditure; this increases under all of the following situations except when
a. elastic recoil decreases b. resistance increases c. the partial pressure of oxygen increases in the air d. ventilation increases e. compliance decreases
In which direction do fluids and solutes move in each of the three kidney processes?
A) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the peritubular fluid into the tubular fluid. B) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space. C) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the tubular fluid into the peritubular fluid. D) During filtration, fluids move from the tubular fluid into the peritubular fluid; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space. E) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the glomerular capillaries into the capsular space; during secretion, fluids move from the tubular fluid into the peritubular fluid.
The sarcoplasmic reticulum wraps like a sleeve around the myofibril and stores and releases calcium
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