Name and define the unit used to measure cell size
A) picometer; equal to one-trillionth of a meter
B) nanometer; equal to one-billionth of a meter
C) centimeter; equal to one-hundredth of a meter
D) micrometer; equal to one-millionth of a meter
E) millimeter; equal to one-thousandth of a meter
Answer: D
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Respiration is inhibited throughout the entire time that swallowing is taking place
Indicate whether the statement is true or false
Which of the following does not raise the total metabolic rate?
A. Fever B. Eating a big meal C. Pregnancy D. Anxiety E. Starvation
What is the source of most of the parasympathetic innervation of the digestive tract?
A. Glossopharyngeal nerve B. Vagus nerve C. Enteric nerves D. Phrenic nerve E. Splanchnic nerves
A polar body biopsy is a type of
A. amniocentesis in which polar bodies are sampled from fluids surrounding the fetus. B. gene therapy in which a polar body is inserted into a zygote. C. chorionic villi sampling (CVS) in which villi of the polar body are tested. D. preimplantation genetic study in which a polar body is tested for genetic disorders.