The thick myofilament of the skeletal muscles is made of:
a. sarcomere
b. actin
c. myosin
d. Z-lines
c. myosin
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Which statement best describes the vulva?
A. It is the collective term for the internal female genitalia. B. It is an organ surrounded by the labia minora. C. It is a series of different genitalia surrounded by the labia majora. D. It is a series of different genitalia that play no role in reproduction.
Structure B is the
A) epiphysis.
B) diaphysis.
C) endosteum.
D) periosteum.
E) metaphysis.
Which vein drains the small intestine, large intestine, and the pancreas?
A) lumbar vein B) gastrosplenic vein C) caudal vein D) superior mesenteric vein
Which of the following drugs, administered as an aerosol spray, would be most likely to help an infant with respiratory distress syndrome of the newborn?
A. pulmonary surfactant B. a beta-adrenergic agonist C. a muscarinic agonist D. histamine E. a beta-adrenergic antagonist