Imagine that you are monitoring a test subject's blood. The pH of the blood is steadily decreasing, while the carbon dioxide levels are steadily increasing. What do you predict will occur?
A. Because of the increase in carbon dioxide levels, the brain will decrease in the breathing rate.
B. Because of the increase in carbon dioxide levels, the brain will stimulate an increase in the breathing rate.
C. As soon as oxygen levels decrease, the brain will stimulate an increase in the breathing rate.
Answer: B
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A motor neuron's and reside in the central nervous system, but its extend(s) into the peripheral nervous system.
A. cell body; dendrites; axon B. axon; cell body; trigger zone C. dendrites; axon; cell body D. axon; cell body; dendrites E. None of the answer choices is correct.
____ is a passive transport plasma membrane protein that forms a pore through which water (but not solutes) can flow
freely across the membrane. a. ADH b. A sodium ion c. Ketone bodies d. Aquaporin e. Angiotensinogen
Which of the following is true about a karyotype?
A) homologous chromosomes are arranged in pairs B) sex chromosomes are identified separately from autosomes C) chromosome pairs are assorted by both size and shape D) banding patterns are used in pairing chromosomes E) All of the answer choices are true about karyotypes.
A reaction to an allergen is a ________ hypersensitivity
A) type I B) type II C) type III D) type IV E) type V