Three physiological factors that affect the color of skin are: volume of blood in dermal vessels, carotene in the subcutaneous layer, and various diseases.
Answer the following statement true (T) or false (F)
True
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In this illustration of the inner ear, what structure does the number 1 indicate?
A. Utricle B. Saccule C. Membranous labyrinth D. Round window E. Oval window
Which choice lists structures in order of increasing size?
A) cell - organelle - tissue - organ B) genome - nucleus - chromosome - nucleotide - gene C) nitrogenous base - nucleotide - gene - genome - chromosome D) nitrogenous base - nucleotide - gene - chromosome - genome
Histamine is primarily responsible for causing the bronchial constriction associated with asthma
Indicate whether the statement is true or false
How would an attack by a mugger affect blood pressure? What is the physiological basis for your answer?
Blood pressure would decrease due to sympathetic stimulation. Blood pressure would increase due to parasympathetic nervous system stimulation. Blood pressure would decrease due to parasympathetic nervous system stimulation. Blood pressure would increase due to sympathetic nervous system stimulation. Blood pressure would increase due to vagal nerve stimulation.