Which of the following are characteristics of viruses?
A. They cannot be seen with a regular microscope.
B. They reproduce by budding and do not cause disease in humans.
C. They are single-celled organisms that reproduce very quickly.
D. They are found in soil and water and most do not cause disease in humans.
E. They are among the largest infectious agents.
A. They cannot be seen with a regular microscope.
Viruses are among the smallest infectious agents and cannot be seen with a regular microscope.
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Natural immunity is:
A) inherited. B) developed from exposure. C) long term and often lifelong. D) none of the above.
The most common capillary puncture site for adults is the palm of the hand.
Answer the following statement true (T) or false (F)
Which of the following can cause toxic damage to the epithelial lining of the lungs when aspirated?
A) carbon dioxideB) carbon monoxide C) 100% oxygen D) hydrocarbons
A hedgehog not familiar with you or your scent will _____ when you get near it
A)approach you tentatively B)approach you readily C)turn its back to you D)roll up into a ball