The potential across a cell membrane has changed drastically, from -90 mV to +30 mV. In other words,
A. there is no relative charge difference between the inside and the outside of the cell.
B. the resting membrane potential has been established.
C. there is a positive charge on the inside of the cell, relative to the outside.
D. there is a negative charge on the inside of the cell, relative to the outside.
Answer: C
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Factors that can cause congenital malformations by affecting an embryo during its periods of rapid growth and development are called teratogens.
Answer the following statement true (T) or false (F)
Lymphatic nodules consist of:
A. central arteries and monocytes. B. lymphatic cells, extracellular matrix, and an incomplete connective tissue capsule. C. crypts, trabeculae, and Reed-Sternberg cells. D. afferent vessels, efferent vessels, a cortex, and medulla. E. a hilum that is located intermediate to two lobules.
The ingestion of a meal high in fat content would cause which of the following to occur?
A) This type of food would cause secretion of gastrin to cease, resulting in faster gastric emptying. B) Increased production of trypsinogen. C) Bile would be released from the gallbladder to emulsify the fat in the duodenum. D) The acid secretions from the stomach would be sufficient to digest this food but may cause heartburn.
The ureters
A) are retroperitoneal. B) float freely within the abdominal cavity. C) have specialized subdivisions called the urethrae. D) take exactly the same path to the bladder in men and women. E) None of the answers are correct.