Which of the following bones is NOT part of the orbit of the eye?
A. Palatine
B. Zygomatic
C. Ethmoid
D. Temporal
Answer: D
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Answer the following statements true (T) or false (F)
1. Solutes, regardless of size, are able to move freely between compartments because water carries them along the osmotic gradients. 2. The thirst center in the brain is located in the hypothalamus. 3. Dehydration can be caused by endocrine disturbances such as diabetes mellitus or diabetes insipidus. 4. It is impossible to overhydrate because people need as much water as they can drink to carry out ordinary body functions. 5. Water imbalance, in which output exceeds intake, causing an imbalance in body fluids, is termed dehydration.
White rami carry _________ neurons, while gray rami carry _________ neurons.
A. myelinated postganglionic; unmyelinated preganglionic B. unmyelinated postganglionic; myelinated preganglionic C. myelinated preganglionic; unmyelinated postganglionic D. unmyelinated preganglionic; myelinated postganglionic E. myelinated preganglionic; myelinated postganglionic
The fusion of sperm and egg is known as:
A) mitosis. B) cleavage. C) meiosis. D) fertilization.
Name the type of membrane channel that opens in response to changes in membrane potential and is located in axons of all types of neurons
a) leakage channel b) ligand-gated channels c) mechanically gated channels d) voltage-gated channels e) temperature-sensitive channel