Which of the following statement is correct? Eosinophils:
a. increase in allergic and parasitic infections
b. possess limited phagocytic function
c. have granules which contain toxic substances for parasites
d. show phagocytic function to fungi, bacteria, Ag-Ab complex
e. represent 20-40% of the total leukocytes
a. increase in allergic and parasitic infections
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Insulin lowers the blood glucose level by ________
A) binding with glucose, rendering it ineffective B) competing with glucose receptors on cell membranes C) enabling cells to utilize glucose D) inhibiting the production of glucose
The male sterilization procedure whereby a segment of the vas deferens is removed is called a
a. vesiculectomy. b. vasovasostomy. c. vasectomy. d. vasotomy
Which of the following hormonal change is associated with fight-or-flight responses?
A. Lower breathing rate/oxygen consumption B. Increase in heart rate C. Decrease in blood pressure D. Decrease in glucose levels E. Decrease in blood flow to active muscles
"Never smokers" make up what percentage of people who die from lung cancer?
A) 5 B) 10 C) 20 D) 25