Patches of fibrocartilage formed in the healing of a fracture are called ________, whereas the bony collar formed around the fracture is called ________.
A. fracture hematoma; hard callus
B. granulation tissue; hard callus
C. soft callus; hard callus
D. fracture hematoma; granulation tissue
E. granulation tissue; soft callus
Answer: C
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Which muscle extends the elbow?
A. Pronator teres B. Extensor carpi radialis longus C. Biceps brachii D. Brachialis E. Triceps brachii
The filtration of plasma that generates approximately 80 liters/day of filtrate occurs in the __________.
proximal convoluted tubule distal convoluted tubule renal corpuscle nephron loop
The shallow depression seen on the external surface of the heart between the left and right ventricles is called the ________.
A. coronary sulcus B. coronary sinus C. interventricular sulcus D. left atrium E. interventricular septum
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