Damage to which of the following will most directly impact vision?
A. Choroid
B. Fovea centralis
C. Suspensory ligaments
D. Pupillary dilator
B. Fovea centralis
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The thyroid gland produces:
a. T3 b. T4 c. calcitonin d. all of the above
The following are the main steps in the generation of an action potential. 1. Sodium channels are inactivated. 2. Voltage-gated potassium channels open and potassium moves out of the cell, initiating repolarization. 3. Sodium channels regain their normal properties. 4. A graded depolarization brings an area of an excitable membrane to threshold. 5. A temporary hyperpolarization occurs. 6. Sodium
channel activation occurs. 7. Sodium ions enter the cell and depolarization occurs. What is the proper sequence of these events? A) 4, 6, 7, 3, 2, 5, 1 B) 4, 6, 7, 1, 2, 3, 5 C) 6, 7, 4, 1, 2, 3, 5 D) 2, 4, 6, 7, 1, 3, 5 E) 4, 2, 5, 6, 7, 3, 1
These receptors respond to touch, pressure, vibration, and stretch.
A. Thermoreceptors B. Chemoreceptors C. Photoreceptors D. Mechanoreceptors E. Baroreceptors
List the major arteries a red blood cell would pass through while traveling to the lateral side of the palm of the right hand
What will be an ideal response?