The cerebrum divides into three hemispheres
Indicate whether the statement is true or false
False
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Which is a function of the gonadotropic hormones?
A. Inhibiting the release of growth hormone B. Inhibiting the release of prolactin C. Stimulating the release of gonadotropin-releasing hormone (GnRH) D. Stimulating the release of follicle-stimulating hormone (FSH) and luteinizing hormone (LH) E. Inducing the secretion of steroid hormones by the gonads in both males and females
On a normal ECG, a wave for repolarization of the atria is not recorded. Why?
a. the leads are not placed in a position to pick it up. b. no repolarization of the atria occurs normally. c. it occurs simultaneously with ventricular depolarization and is masked by the QRS complex. d. it does not travel through body fluids. e. it is too small to be picked up by external recording electrodes.
The structures that help prevent toxins in the blood from reaching the brain make up the ________ barrier.
Fill in the blank(s) with the appropriate word(s).
Normal pH for blood is 7.35 to 7.45. Maintenance of the pH in this range is
A. critical because enzymes work best within narrow ranges of pH. B. not critical because extreme pH values do not affect enzyme function. C. called denaturation. D. not required. E. None of these choices is correct.