Proteolytic enzymes secreted from the pancreas are activated
A. once they reach the large intestine.
B. once they reach the pancreatic duct.
C. within the lumen of the small intestine.
D. in secretory vesicles within pancreatic secretory cells.
Answer: C
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Which two arteries merge on the posterior surface in the coronary sulcus?
A) circumflex and left marginal artery B) circumflex and right coronary artery C) right coronary artery and anterior interventricular artery D) right coronary artery and posterior interventricular artery
Which are formed elements of the blood? Choose all that apply.
A. Leukocyte B. Thrombocyte C. Megakaryocyte D. Erythrocyte
In which layer of the epidermis are granules of keratohyalin formed?
A. stratum basale B. stratum granulosum C. stratum spinosum D. stratum corneum E. stratum lucidum
The volume of air available for gas exchange per minute is called the
A. vital capacity. B. alveolar ventilation. C. minute respiratory volume. D. functional residual capacity. E. respiratory rate.