Exam 1: Cellular Biology

Pancreatic beta cells secrete insulin, which inhibits secretion of glucagon from neighbouring alpha cells. This action is an example of which of the following signalling types?

A faculty member asks a student to identify the appropriate term for the movement of a solute from an area of greater to lesser concentration. Which answer indicates the nursing student understood the teaching?

Which causes the rapid change in the resting membrane potential that initiates an action potential?

During which process are bacteria engulfed for ingestion?

Which description accurately describes electrolytes?

A nurse is teaching the staff about the phases of cellular catabolism. Which phases should the nurse include?

A nurse is instructing the staff about cellular functions. Which cellular function is the nurse describing when an isolated cell absorbs oxygen and uses it to transform nutrients to energy?

A nurse is reading a chart and sees the term oncotic pressure. The nurse recalls that oncotic pressure (colloid osmotic pressure) is determined by:

What type of connection allows for cellular communication?

A student is observing a cell under the microscope. The student notices it to have supercoiled DNA with histones. What else would the student be expected to observe?