Specialized ________ in the carotid and aortic bodies are activated by a decrease in PO2 and pH or an increase in PCO2. What do they trigger?
Fill in the blank(s) with the appropriate word(s).
glomus cells; they trigger a reflex increase in ventilation.
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What is a small protein channel that allows the passage of ions and small molecules between cells?
A. Desmosomes B. Gap junction C. Tight junction D. Hemidesmosomes E. Adhesion belt
Which one of the following correctly lists the order of the parts through which light passes as it enters the eye?
A) cornea, aqueous humor, lens, vitreous humor B) aqueous humor, cornea, lens, vitreous humor C) vitreous humor, lens, aqueous humor, cornea D) cornea, lens, aqueous humor, vitreous humor E) lens, aqueous humor, cornea, vitreous humor
By placing your fingers at the T5 vertebra, you can locate which organ?
A. Spleen B. Kidney C. Lung D. Brain
Which of the following regimens should lead to the loss of one pound of fat in one week?
A. Burning 1,000 calories on each of three days with exercise and eating an extra 200 calories a day B. Burning 1,000 calories a day swimming, or eating 1,000 fewer calories a day C. Eating 250 calories less a day and not exercising D. Burning 500 calories a day running or eating 500 fewer calories a day