The process that involves the fusion of the two sides of the embryonic disc at a newly formed midline, thereby creating a cylindrical embryo is ________ folding.
A. cephalocaudal
B. transverse
C. coronal
D. invagination
E. amphiamniotic
Answer: B
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The amount of air that can be inspired above the tidal volume is called ________.
A) reserve air B) expiratory reserve C) inspiratory reserve D) vital capacity
Action potentials from sympathetic neurons ________ glomerular filtration rate by causing ________.
A. increase; dilation of afferent glomerular arterioles B. increase; dilation of efferent glomerular arterioles C. decrease; constriction of afferent glomerular arterioles D. decrease; constriction of efferent glomerular arterioles
Occlusion of the pulmonary arterial tree could lead to ___.
a) left ventricular hypertrophy b) cardiac arrhythmias c) congestive heart failure d) myocardial infarction
Explain the feedback mechanism involved in true labor. Indicate the components of the feedback system (for example, identify the control center), their responses to stimuli, and the nature of the response (is it positive or negative feedback?).
What will be an ideal response?