Tactile (Merkel) cells are sensitive to
A. touch.
B. sound.
C. light.
D. heat.
E. cold.
Answer: A
You might also like to view...
Which is the neurotransmitter that causes the release of calcium ions and initiates the steps of skeletal muscle fiber contraction?
A. Acetylcholine B. Acetylcholinesterase C. Norepinephrine D. Serotonin
Bicarbonate secretion
A) is secreted by apical Cl--HCO3- antiport. B) neutralizes acid entering from the stomach into the duodenum. C) is not dependent on high levels of carbonic anhydrase to maintain bicarbonate production. D) neutralizes acid entering from the stomach into the duodenum and is secreted by apical Cl--HCO3 - antiport. E) is secreted by the acinar cells.
The fenestrated endothelium of the capillary has pores small enough to exclude blood cells from the filtrate.
Answer the following statement true (T) or false (F)
Oxygenated blood is carried to the tissues of the lungs via the
A. pulmonary veins. B. bronchial arteries. C. pulmonary artery. D. abdominal aorta. E. pleural arteries.