What is systolic pressure?
a. The maximum pressure achieved during ventricular contraction.
b. The average pressure in the arteries during a heart beat.
c. The maximum pressure achieved during ventricular relaxation.
d. The bottom number in a blood pressure reading.
Answer: a. The maximum pressure achieved during ventricular contraction.
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What is the correct order for structures in the nervous system pathway for hearing?a: Thalamic neurons project to the auditory cortex.b: Axons project to inferior colliculi or superior olivary nucleus.c: Axons terminate in the cochlear nucleus in the brainstem.d: Axons from inferior colliculus project to the medial geniculate nucleus of the thalamus.e: Impulse travels in cochlear nerve sensory fibers.
A. b, c, d, e, a B. e, d, c, a, b C. c, b, a, d, e D. a, b, e, c, d E. e, c, b, d, a
Sam, an older man, has been diagnosed with osteoporosis, and his blood calcium levels are above normal. The pathologiste found cancer cells that were oversecreting ________ causing Sam's symptoms.
A. thyroid hormone B. vitamin D C. parathyroid hormone D. growth hormone E. calcitonin
Blood colloid osmotic pressure (BCOP) in the glomerulus is generated by
A) blood pressure. B) presence of albumin proteins in blood plasma. C) constriction of the efferent arteriole. D) protein in the filtrate. E) filtrate in the capsular space.
Answer the following statements true (T) or false (F)
1. Without some sort of negative feedback mechanism, it would be impossible to keep our body chemistry in balance. 2. Regardless of the variable being regulated, all homeostatic control mechanisms have at least three interdependent components. 3. The epigastric region is located superior to the umbilical region. 4. Because the ANS is a visceral motor system, afferent pathways are of no importance and actually are rarely found. 5. The rami communicantes are associated only with the sympathetic division of the ANS.