Answer:
False
Explanation: For a source of water pollution the pollutant can be any undesirable substance present in water.
These undesirable substances can be biological, physical or chemical.
False because it is not artificial selection it is DNA
Answer:
M.G. may not have been counselled properly on other non-pharmacological measures for the management of heart failure, exercise included.
Explanation: Non-pharmacological measures for the management of heart failure
:
- Compliance—give careful advice about disease, treatment, and self help strategies
- Diet—ensure adequate general nutrition and, in obese patients, weight reduction
- Salt—advise patients to avoid high salt content foods and not to add salt (particularly in severe cases of congestive heart failure)
- Fluid—urge overloaded patients and those with severe congestive heart failure to restrict their fluid intake
- Alcohol—advise moderate alcohol consumption (abstinence in alcohol related cardiomyopathy)
- Smoking—avoid smoking (adverse effects on coronary disease, adverse haemodynamic effects)
- Exercise—regular exercise should be encouraged
- Vaccination—patients should consider influenza and pneumococcal vaccinations
