The risk of cancer can be reduced by ________
A) avoiding unnecessary medical x-rays
B) smoking more because nicotine can kill cancerous cells
C) increasing saturated fats in the diet
D) decreasing fruit intake because fruits can be carcinogenic
Answer: A
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Which of the following is true about viroids?
a. In humans, they result in neurodegenerative disease. b. They are an infectious protein transmitted primarily through consumption. c. They can only replicate inside the host cell. d. They are rare and only fatal in a few hundred human cases each year.
chronic constipation can lead to enlarged and inflamed blood vessels of the anus known as
What will be an ideal response?
Bacterial cells that are isolated from a healthy human's skin and appear as clusters of cocci are likely of the genus
a. Bacillus. b. Escherichia. c. Staphylococcus. d. Pseudomonas.
Answer the following statements true (T) or false (F)
1. Damage to the seminal vesicles would prevent sperm from becoming motile. 2. Erectile dysfunction can be treated by drugs that increase levels of nitric oxide. 3. FSH stimulates the activity of Leydig cells and LH stimulates the activity of Sertoli cells. 4. A human female has the largest number of primary oocytes at the onset of puberty. 5. FSH secreted by the pituitary stimulates fluid secretion into the antrum of the follicle.