The chances of surviving sudden cardiac arrest increases by ___ percent when the affected person receives
cardiopulmonary resuscitation (CPR) within ___ minutes after the event.
a. 100; a few
b. 50; a few
c. 50; 10
d. 100; 10
e. 50; 20
ANSWER: b
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A bacterium is inoculated into a tube of thioglycollate and incubated. After incubation, turbidity appears throughout, top to bottom, with the greatest turbidty at the very top. This bacterium would be called a(n) ________.
A. psychrotroph B. aerotolerant microbe C. facultative anaerobe D. obligate aerobe E. microaerophile
Skin color and eye color are examples of
a. traits related to pleiotropic genes. b. single gene traits. c. polygenic traits. d. bigenic traits. e. mutually exclusive traits
The organ(s) of the respiratory system that contain alveoli is (are) ________
A) bronchioles B) bronchi C) the glottis D) lungs
In the pine life cycle, a microspore develops into
a) a pollen grain. b) a sporophyte. c) an ovule. d) a megaspore. e) a seed.