Which is a TRUE statement about events occurring in the menstrual cycle?
A. The corpus luteum normally degenerates on day 14 of the cycle.
B. Ovulation occurs exactly in the middle of the follicular phase of the cycle.
C. FSH reaches its highest concentration 3 days before menstruation begins.
D. Progesterone is low during the first half of the cycle, and rises to a peak during the second half.
E. Each peak in estrogen concentration is accompanied by an even greater peak in progesterone concentration.
Answer: D
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Indicate whether the statement is true or false
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a. Adrenal glands b. Pituitary gland c. Hypothalamus d. Pineal gland
What is the triple-layered muscle responsible for urinary bladder contractions?
internal urinary sphincter urethral meatus detrusor trigone
What part of the retina is responsible for the sharpest vision?
A. Optic disc B. Posterior retina C. Macula lutea D. Fovea centralis E. All of the choices are correct.