What is the difference between the rods and cones?
What will be an ideal response?
Rods are photoreceptors for dim light and provide us with black-and-white images in dark conditions. Cones provide us with color vision.
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The correct ratio of chest compressions to ventilations in one-rescuer child CPR is:
A) 30:2. B) 15:2. C) 15:1. D) 5:1.
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What is an example of an item found in a dental emergency supply kit?
a. nebulizer b. syringe filled with insulin c. an ampule of Serzone d. a sugar source
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Which of the following is NOT an electrolyte found in the body?
A. Sodium B. Potassium C. Zinc D. Magnesium
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The HIV virus targets ________
A) helper T-cells B) natural killer cells C) B-cells D) dendritic cells
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