Identify the three types of cones
A) red, green and yellow cones
B) red, blue and yellow cones
C) red, green and blue cones
D) white, red and green cones
E) black, white, and color cones
Answer: C
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How do substances move across capillaries?
A) Diffusion B) Through pores C) Transcytosis D) All of the above
Which statement is incorrect?
a. There are a pair of feeding centers and a pair of satiety centers in the hypothalamus that play a major role in controlling food intake. b. Stimulation of the feeding centers drives the individual to eat. c. Stimulation of the satiety centers brings about the feeling of having had enough to eat. d. Distention of the stomach does not decrease appetite. e. Destruction of the satiety center in lab animals leads to overeating and obesity.
Which of these vessels does NOT carry oxygen-rich blood to the brain or do they all carry oxygen-rich blood to the brain?
A. internal carotid arteries B. external carotid arteries C. vertebral arteries D. all of them carry oxygen-rich blood to the brain
Which is a TRUE statement about events occurring in the menstrual cycle?
A. Each peak in estrogen concentration is accompanied by an even greater peak in progesterone concentration. B. FSH reaches its highest concentration 3 days before menstruation begins. C. Progesterone is low during the first half of the cycle, and rises to a peak during the second half. D. Ovulation occurs exactly in the middle of the follicular phase of the cycle. E. The corpus luteum normally degenerates on day 14 of the cycle.