Which of the following describes what is directly measured by an ECG?
A) the force of contractions
B) blood vessel resistance
C) end-systolic volume
D) electrical conduction
E) neural stimulation of cardiac myocytes
D
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A prepubescent female is experiencing a growth of pubic hair and breast development. Which hormone is responsible for this female's body changes?
A) Epinephrine B) Estrogen C) Parathyroid hormone D) Norepinephrine
The tubercle of rib 4 articulates with the transverse costal facet of T3.
Answer the following statement true (T) or false (F)
Which statement best describes primary bone?
A) Primary bone has regularly arranged parallel bundles of collagen fibers for strength. B) Primary bone contains abundant osteocytes and little inorganic matrix. C) Primary bone is stronger than secondary bone since it contains many lamellae. D) Primary bone contains a higher percentage of inorganic matrix than secondary bone.
Which would most directly decrease the production of aldosterone?
A. going on a low-salt diet B. ingesting extra dietary vitamin D C. reducing dietary tyrosine D. increasing dietary cholesterol E. injecting a drug that blocks the production of angiotensin II