32- Overgrazing transforms marginal farmlands to deserts, a process called deser

Question

32- Overgrazing transforms marginal farmlands to deserts, a process called desertification.

Select one:

True

False

33- Your neighbor tried to lift a propane tank onto the back of his pickup truck and ruptured the cartilaginous disk between two of his vertebrae. What is most likely to happen to him?

Select one:

a. He will suffer pain from a compressed spinal nerve.

b. He might have severe brain damage.

c. He will have bloody stools.

d. His spinal nerve cord will enlarge.

34- If you wanted to decrease sperm production, which of the following would be most effective?

Select one:

a. TSH

b. FSH

c.

GnRH

d. inhibin

35- Of the following, the most important cause of deforestation is ________.

Select one:

a. city expansion

b. continental drift

c. farming

d. fires caused by lightening

36- Ozone in the atmosphere shields us from ultraviolet radiation.

Select one:

True

False

37- How many chromosomes are provided to a zygote from each gamete?

Select one:

a. none of the above

b. 32

c. 46

d. 23

38- Which of the following is not a potential effect of alcohol abuse?

Select one:

a. lung cancer

b. liver cirrhosis

c. higher blood pressure

d. impaired judgment

39- While examining her patient's nose, Dr. Carlita Gonzales, an allergy specialist, noted a hole in the partition between the nasal cavities. The doctor suspects her patient is snorting which drug?

Select one:

a. alcohol

b. cocaine

c. marijuana

d. mescaline

40- Ergot, a fungus, contains a hallucinogenic drug that binds to serotonin receptors. The natural drug is most similar to ________.

Select one:

a. LSD

b. mescaline

c. methamphetamine

d. morphine

Explanation / Answer

32: true

Overgrazing in marginal lands lead to desertification. Overgrazing leads to rapid loss of vegetation cover in marginal lands (lands at edge of deserts ).

33: a)He will suffer pain from a compressed spinal nerve.

34: Inhibin

35: city expansion

36: true

37: 23

38: lung cancer

39: cocaine

40: LSD

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