Norepinephrine is released from ________ neurons, causing heart rate to ________.
A. parasympathetic; increase
B. parasympathetic; decrease
C. sympathetic; decrease
D. sympathetic; increase
Answer: D
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The skin dissipates excess body heat by
A. radiation. B. dilating dermal blood vessels. C. activating eccrine sweat glands. D. all of the answer choices are correct.
An anticoagulant is a substance that:
A) dissolves a blood clot B) prevents blood from clotting C) causes the formation of a thrombus D) causes the formation of an embolus
During oogenesis,
a. thousands of primary oocytes are formed. b. one primary oocyte yields 16 mature ova. c. one primary oocyte yields 1 mature ovum. d. each ovum contains 46 chromosomes at the time of ovulation. e. sex hormones reach their lowest levels.
With which gland does the hypothalamus have a close anatomical and physiological relationship?
A.)pineal gland B.)pituitary gland C.)thyroid gland D.)adrenal gland