Which of the following is not a function of the sustentacular cells?
A) They secrete androgen-binding protein.
B) They secrete testosterone.
C) Their tight junctions form the blood-testis barrier.
D) They protect and support the germ cells.
E) They secrete inhibin.
B
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Of the muscles listed, the only one that inserts on the hyoid bone is the
A. hyoglossus. B. styloglossus. C. palatoglossus. D. genioglossus. E. lateral pterygoid.
Which valve below prevents blood from flowing back into the right ventricle?
a) Tricuspid valve b) Bicuspid valve c) Pulmonary semilunar valve d) Aortic semilunar valve e) Mitral valve
The ____ converts harmful ammonia form the digestion of proteins to harmless urea and provides bile to emulsify fats
a. liver b. kidney c. pancreas d. gallbladder
The major target of growth hormone, which determines the circulating levels of IGF-1, is the:
A. pituitary B. muscle C. liver D. kidney E. adipose tissue