All of the following are true regarding the pancreatic islets (islets of Langerhans), except that they

A) contain four types of endocrine cells.
B) account for only a small percent of all pancreatic cells.
C) produce enzymes that assist in digestion.
D) release their products directly into the intestines.
E) are vital for survival.


Answer: D

Anatomy & Physiology

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The pulmonary arteries have ________ elastic tissue and ________ lumens than systemic arteries.

A. less; narrower B. more; wider C. more; narrower D. less; wider

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When membrane potential changes, we use the terms depolarization, hyperpolarization, and repolarization

Explain what is happening to the membrane potential in relation to the extracellular fluid during depolarization and hyperpolarization and how each phase could be achieved by negatively charged ions. Next, explain how it is possible for the membrane to be in both hyperpolarization and repolarization at the same time. What will be an ideal response?

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Which of these is not part of the dorsal cavity?

A) cranial cavity B) thoracic cavity C) spinal cord D) vertebral cavity

Anatomy & Physiology

The intermediate filaments found in the cytoplasm of cells help to resist mechanical stress

Indicate whether the statement is true or false

Anatomy & Physiology