Which center bears the primary responsibility for generating the respiratory rhythm, but is influenced by several other centers?
A) PRG B) VRG C) DRG D) SRG
B
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Answer the following statements true (T) or false (F)
1. Vitreous humor is the thick fluid in the posterior chamber of the eye. 2. The potentially blinding condition called glaucoma can occur if the fluid pressure of the eye drops too low. 3. The optic disc is able to respond only to bright light. 4. The nerve impulse of the eye begins when light enters through the iris of the eye and ends in the occipital lobe of the brain. This is called the visual pathway. 5. The external ear has two parts, the auricle and the pinna.
DNA molecules that shorten and thicken during cell division are known as _____
a. chromatids b. chromatin units c. chromosomes d. ribosomes
When the term biceps, triceps, or quadriceps forms part of a muscle's name, what does it tell you about the muscle?
A) The muscle is able to change direction twice, three times, or four times faster than other muscles, respectively. B) The muscle has two, three, or four functions, respectively. C) The muscle has two, three, or four insertions, respectively. D) The muscle has two, three, or four origins, respectively.
A muscle producing tension that peaks but falls to only intermediate stimulus rates is said to be in
A) incomplete tetanus. B) complete tetanus. C) treppe. D) wave summation. E) recruitment.