Which of the following statements concerning the uterus is true?
A. The inferior portion is the cervix.
B. The isthmus separates the body and the fundus.
C. The fundus forms the major portion of this organ.
D. The uterine wall is composed of four layers.
E. The cervical canal is in the superior portion of the uterus.
A
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The thickened area that is the site of articulation of the sacrum to the ilium at the sacroiliac joint is the
A) sacral hiatus. B) sacral canal. C) auricular surface. D) ala. E) lateral sacral crest.
To measure GFR, an individual's urine is examined for the concentration of a test substance that they received by injection. How is that test substance treated by the kidney?
A. It is filtered but neither reabsorbed nor secreted. B. It is filtered and secreted, but not reabsorbed. C. It is not filtered, but it is secreted and reabsorbed. D. It is filtered, reabsorbed, and excreted, but it is not secreted. E. It is neither filtered nor reabsorbed, but it is secreted.
Which of the following vitamins is NOT correctly matched with its major function?
A. Folic acid - helps to make hemoglobin in red blood cells B. Vitamin K - helps to form collagen C. Vitamin A - helps in night vision D. Vitamin D - helps absorb calcium from the small intestine
Why is high blood pressure damaging to the heart?
A. With high blood pressure, the blood is more viscous and harder to pump. B. The heart rate slows down to dangerously low levels if blood pressure is too high. C. Due to increased afterload, the left ventricle must contract more forcefully to expel the same amount of blood. D. Sodium concentration increases during high blood pressure and is toxic to the myocardium.