Because the conducting zone structures have no gas exchange function, they are called ________
A) physiological dead space B) respiratory dead space C) anatomical dead space
Answer: C
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Sensory receptors
A. send signals from the brain to muscles. B. act as an intermediate within the CNS between the ascending and descending tracts. C. work with muscles to generate motion. D. detect changes in and outside the body.
Which of the following rodents will bite if touched while sleeping?
a. gerbil c. mouse b. hamster d. ferret
The narrow inferior region of the stomach is called the ____
a. fundus b. cardia c. pylorus d. duodenum
The placenta is
A. a site where fetal blood can enter the maternal circulation. B. a site where maternal blood enters the fetal circulation. C. formed from maternal circulatory stem cells, and serves as an exchange organ between mother and fetus. D. a site formed by the proliferation of the maternal endometrium and myometrium. E. a site of diffusion and transport of wastes, oxygen, and nutrients between fetal and maternal blood.