What type of immune defense cell is selectively invaded by AIDS virus?
a. cytotoxic T cells
b. helper T cells
c. suppressor T cells
d. macrophages
e. neutrophils
B
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The infundibulum is attached to the
A. pineal gland. B. pons. C. thalamus. D. epithalamus. E. pituitary gland.
The clavicle articulates with the
A) manubrium. B) ribs. C) humerus. D) body of the sternum. E) cervical vertebrae.
Dave is under a lot of stress at his job and at home. Lately, he has begun to feel discomfort and a burning sensation in his abdomen following each meal. After consulting a doctor, he finds that he has developed a duodenal ulcer. He does not understand how being nervous would cause the ulcer. Explain the cause and effect in his case.
What will be an ideal response?
As in males, ________ from the hypothalamus regulates reproductive function in females; however, its levels change throughout the ovarian cycle.
A) LH B) estrogen C) FSH D) progesterone E) GnRH