The vestibulocochlear nerve first synapses with the ________ in the medulla.
Fill in the blank(s) with the appropriate word(s).
cochlear nuclei
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Some studies theorize that yawning is a reflex triggered by increased blood pH as carbonic acid is produced to expel CO2 by exhaling. Which structures would be stimulated to induce yawning if this theory is true?
A. Arterial baroreceptors B. Baroreceptors in the aortic arch C. Aortic bodies and carotid bodies D. Free nerve endings in the blood vessels
Which of the following statements is correct regarding net diffusion?
A) The greater the concentration gradient, the faster the rate. B) The lower the temperature, the faster the rate. C) The rate is independent of temperature. D) Molecular weight of a substance does not affect the rate.
Fertilization normally occurs in the
A) uterine tube. B) vagina. C) uterus. D) peritoneal cavity.
Answer the following statements true (T) or false (F)
1. The oviducts are connected to the ovaries at one end and the uterus at the other end. 2. Fimbriae help move the egg cell into the oviduct. 3. Because the lining of the oviducts is continuous with the uterus and vagina, it allows infections to spread from the reproductive tract to the abdominal cavity. 4. The narrow, lower part of the uterus is called the body. 5. The rounded part of the uterus above the entry point of the oviducts is called the cervix.