Which of the following medications does NOT shift potassium into the cells?
A) Insulin
B) Albuterol
C) Bicarbonate
D) 50% dextrose
Answer: D) 50% dextrose
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Sampling error can be minimized by which one of the following?
a. using a large sample size b. conducting the experiment or observation only once c. throwing out data that does not fit the conclusion d. using a small subset of a larger population e. carefully selecting samples to match the prediction
In the Northern Hemisphere, in what direction does the apparent position of the sun on the horizon at sunrise move as summer turns to winter?
A) north to south B) south to north C) east to west D) west to east
Which of the following statements about fertilization is FALSE?
a. Fertilization restores the diploid chromosome number. b. Fertilization stimulates the initiation of development. c. Fertilization can determine the sex of the offspring. d. Fertilization permits the formation of gametes with new genetic combinations. e. In fertilization, a sperm fuses with an ovum to produce a zygote
If left untreated, syphilis infections go through four stages. The first stage is a sore called a chancre. The signs of the second stage are
A. a yellowish-white discharge from the urethra. B. rash, sore throat, and sores in the mouth C. very few, with many victims having no symptoms. D. some nerve damage, loss of some teeth, and perhaps a dimming of color vision. E. persistence of the chancre and bleeding at the chancre site.