Which of the following is absent in humans?
A) Right and left subclavian veins
B) Right and left brachiocephalic veins
C) Right and left subclavian arteries
D) Right and left brachiocephalic arteries
E) Right and left common carotid arteries
D
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The process of a microorganism losing its virulence is termed a. recombinant
b. attenuation. c. avirulence. d. hypopathogenicity.
How does the reproductive system contribute to osteoporosis?
A. Excessive smoking lowers estrogen levels, which increases bone loss. B. Immune cells decrease in number after puberty and reduce bone repair. C. Decreased estrogen levels following menopause contribute to the disease. D. Calcium ions released from the bones are necessary for gamete production. E. Lack of sex hormone production reduces vitamin D production and decreases calcium absorption.
Beth Wood tells her nursing students that it is important to monitor patients' blood pressure when they are receiving verapamil (a calcium channel blocker). Why?
What will be an ideal response?
The function of the choroid layer of the eye is to ________
A) release tears onto the anterior surface of the eye B) refract light and focus it on the retina C) regulate the amount of light entering the eye D) produce gross eye movements E) prevent light from scattering inside the eye