Which nerves stimulate the diaphragm and external intercostal muscles to contract?
A) splanchnic nerves
B) somatic nerves
C) phrenic and intercostal nerves
D) vagus nerves
E) myenteric nerves
C
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Damage to which cranial nerve in the diagram will cause the inability of an eyeball to move laterally beyond the midpoint?
a) B b) C c) D d) E e) F
Hyperphagy
A) Is an important adaptation for survival in all animals, including humans. B) Is common in large mammals, but rare in small mammals and birds. C) Translates into fat deposition, which is important for migration, reproduction, and dormancy. D) A and C
If a stimulating electrode is placed in the middle of a resting axon and an above-threshold voltage is applied to the electrode action potentials
A) will start at that point and travel in both directions in the axon. B) will start at that point and proceed only toward the axon terminal. C) will not occur. D) will start at that point and proceed only toward the cell body.
What factor affects hair texture?
A. The length of the shaft B. The amount of keratin in the hair shaft C. The color of the hair shaft D. The shaft's cross-sectional shape