Which of the following structures from the vertebrate inner ear is NOT part of the vestibular apparatus?
A) Ampulla
B) Utricule
C) Saccule
D) Cochlea
Answer: D
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Manufacturers of some medications used to treat heartburn advertise that their products shut down the acid-producing pumps in the stomach. Where are these "acid-producing pumps"? In other words, which type of gastric gland cell secretes acid?
A. Enteroendocrine cells B. Parietal cells C. Mucous neck cells D. Chief cells E. Surface mucous cells
What is the osmolarity of a solution containing 3M MgCl2 and 2M glucose?
A) 5 OsM B) 8 OsM C) 11 OsM D) 10 OsM
Answer the following statements true (T) or false (F)
1. Glasses can successfully treat presbyopia. 2. The average man and woman have the same number of birthdays. 3. The prenatal period of life usually starts in the oviduct. 4. The blastocyst has about three times the mass of the zygote. 5. Although the function of the placenta is to act as a barrier between the mother and fetus, substances such as alcohol can cross the barrier.
Due to an accident, Lori's sacral nerves are severed. What do you expect to be affected by this injury?
A) blood pressure and heart rate B) heart and lungs C) production of saliva D) urinary bladder and the last portion of the large intestine