In people who stand for long periods, blood tends to pool in the lower limbs and this may result in varicose veins. What causes the varicose veins?
A) An aneurysm or weak point in a vein
B) An aneurysm or weak point in an artery
C) Failure of the venous valves
D) Failure of the lymphatic valves
E) A ruptured aneurysm in a vein
C
Anatomy & Physiology
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The working distance for a 10× objective lens is ________.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Why do schools require inoculations for childhood diseases such as mumps, measles, and whooping cough? Why are the inoculations of value?
What will be an ideal response
Anatomy & Physiology
In intracellular fluid the most abundant anion is
a) Na+ b) Cl- c) K+ d) HPO42- e) HCO3-
Anatomy & Physiology
Which of the following muscles is the prime mover for extending the elbow?
A. Triceps brachii B. Biceps brachii C. Pectoralis major D. Latissimus dorsi E. Serratus anterior
Anatomy & Physiology