What condition results if the cornea and lens focus the image ahead of the retina?
A. Farsightedness
B. Myopia
C. Hyperopia
D. None of these answers are correct.
Answer: B
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All of the following are subdivisions of the anterior cervical triangle EXCEPT the ________
A) submandibular triangle B) suprahyoid triangle C) medial carotid triangle D) superior carotid triangle
The Krebs citric acid cycle takes place in the ____
a. nucleus b. mitochondrion c. ribosome d. Golgi apparatus
Second messenger-activating hormones circulate in minute quantities because:
A. they are not important signal molecules. B. small concentrations of hormone can activate many intracellular signals via amplification. C. they are continuously released from the gland. D. neurotransmitters also bind to hormone receptors.
Most carbon dioxide is transported as __________ in the blood.
A) bicarbonate ions B) carbamino compounds (including carbaminohemoglobin) C) dissolved in plasma D) carbon monoxide E) carbonic acid