Lulu is 53 and has not had her menstrual period in a year. Several times a day, she feels a
tingling in her upper chest, and then heat washes over her, in an upwards direction.
It is
intensely uncomfortable for about 5 minutes, during which she is nearly overwhelmed
with an urge to fling off her clothing. The cause of Lulu's hot flashes is
A) a decrease in gonadotropin concentration and an increase in estrogen concentration.
B) an increase in gonadotropin concentration and an increase in estrogen concentration.
C) a decrease in gonadotropin concentration and a decrease in estrogen concentration.
D) an increase in gonadotropin concentration and a decrease in estrogen concentration.
D
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Answer the following statements true (T) or false (F)
1. The compound sodium chloride is an electrolyte. 2. When electrolytes are dissolved in water they produce ions. 3. Potassium, calcium, and magnesium are examples of positive ions found in the body. 4. Chloride, bicarbonate, and phosphate are examples of negative ions found in the body. 5. The electrolyte iron is important in the production of thyroid hormones.
Melatonin is secreted from the ____________________
Fill in the blank(s) with correct word
The process of maintaining physiological stability in the face of disturbance is referred to as
a. homeostasis. b. homeothermy. c. home remedy. d. homeopathy.
In passive immunity, the individual has not had an antigenic challenge.
Answer the following statement true (T) or false (F)