Which four factors are believed to be responsible for acne? Check the four that apply
What will be an ideal response?
_____
Overproduction of sweat by eccrine glands
__X__
Bacteria, including Propionibacterium acnes
__X__
Hormone levels
_____
Viruses, including Herpes virus
_____
Sugary and fried food
__X__
Overproduction of sebum by sebaceous glands
__X__
Abnormal production of cells
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The space between the cornea and the iris is the
A) anterior chamber. B) posterior chamber. C) scleral venous sinus. D) aqueous humor. E) pupil.
This figure shows neuron pathways and nuclei locations. What type of nuclei does number 2 indicate?
A. Somatic motor nuclei B. Autonomic motor nuclei C. Visceral sensory nuclei D. Somatic sensory nuclei E. None of the choices is correct.
Rickets is a result of a childhood deficiency of vitamin A
Indicate whether the statement is true or false
Isotopes of the same element have
A. different numbers of protons and electrons. B. no mass number. C. the same atomic number but differ in their mass numbers. D. the same mass number. E. the same number of neutrons but different numbers of protons.