The following radioactive isotopes are used in medicine for imaging organs, studying blood circulation, treating cancer, and so on. Give the number of neutrons present in each isotope:

$$^{198}\mathrm{Au}$$

$$^{47}\mathrm{Ca}$$

$$^{60}\mathrm{Co}$$

$$^{18}\mathrm{F}$$

$$^{125}\mathrm{I}$$

$$^{131}\mathrm{I}$$

$$^{42}\mathrm{K}$$

$$^{43}\mathrm{K}$$

$$^{24}\mathrm{Na}$$

$$^{32}\mathrm{P}$$

$$^{85}\mathrm{Sr}$$

$$^{99}\mathrm{Tc}$$

Visit a health food or alternative medicines store or section of a store. Find three products that make health claims. Assess the likely effectiveness of any disclaimers that they contain.

Identify which of these types of sampling is used: random, systematic, convenience, stratified, or cluster. In a study of treatments for back pain, 641 subjects were randomly assigned to the four different treatment groups of individualized acupuncture, standardized acupuncture, simulated acupuncture, and usual care (based on data from "A Randomized Trial Comparing Acupuncture, Simulated Acupuncture, and Usual Care for Chronic Low Back Pain," by Cherkin et al., Archives of Internal Medicine, Vol. 169, No. 9).

Your local newspaper recently ran an ad for a new computer and many of your friends bought one. Read some of the computer´s capabilities in the ad below. Then, based on the information you are given about each person that bought this computer, say what he or she uses the new computer for.
A Ramiro le gusta buscar los sitios Web

Identify the hypothesis and conclusion of the statement. Then write each statement in if-then form. Science teachers like to conduct experiments.

After the teaching session, which statement by M.G. indicates a need for further education?
a. "I will weigh myself daily and tell the doctor at my next visit ifI am gaining weight:'
b. "I will not add salt when I am cooking:'
c. "I will try to take a short walk around the block with my husband three times a week:'
d. "I will use a pill calendar box to remind me to take my medicine:'

You just bought a book titled The Most Beautiful Artworks of the Century. Is this likely to be a science book? Explain.

Some over-the counter medicines for migraines contain both ibuprofen and caffeine, molecular models of which are shown here. Write a molecular formula for each of these compounds.

Imagine that you are a member of Congress and your job includes deciding how much government funding goes to research in different areas of science. How much would you allot to the search for life in the universe compared to the amount allotted to research in other areas of astronomy and planetary science? Why?

Ryan bought a new computer for $2,100. The value of the computer decreases by 50% each year. When will the value drop below$300?

Which of the following is the legal method for obtaining prescription medicines? $\\$A. from a health insurer$

$$B. from a pharmacy$$

$$C. from a friend$$

$D. from an Internet website

A college has 90 full-time faculty members. Of these, 25 are in the Math and Science Division, 23 are in the Allied Health Division, 15 are in the Liberal Arts Division, 8 are in the Business Division, and 19 are in the Computer and Technology Division. For contract negotiations, a 7-member team will be formed by selecting one member from each division, plus 2 “at large” members who may be selected from any of the remaining faculty. How many negotiating teams are possible?

You just book a book titled 'The Most Beautiful Artworks of the Century' Is this likely to be a science book? Explain.

The FDA regulates what manufacturers can say in advertisements for both prescription and OTC medicines. Do you feel that such regulation is necessary? Support your answer.