The highest concentration of urea should be found in the ________
A) blood
B) lymph
C) urine
D) intracellular fluid
E) extracellular fluid
C
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Which is not a site for muscle attachment on the femur?
A. Pectineal line B. Greater trochanter C. Linea aspera D. Gluteal tuberosity E. Lateral condyle
The peritubular capillaries
a. supply nutrients and O2 to the tubular cells b. take up the substances that are reabsorbed by the tubules c. supply substances that are secreted by the tubules d. perform all of the above e. perform none of the above
Which is the better example of the term medial?
A) The position of the eyes compared to the ears B) The position of the ears compared to the eyes C) The position of the eyes compared to the chin D) The position of the eyes compared to the eyebrows
Which of the following is not true regarding sickle-cell disease?
A. It is a cause of anemia. B. It is advantageous in that it can protect carriers against malaria. C. It is caused by a recessive allele that modifies the structure of hemoglobin. D. It is a cause of malaria. E. It is due to a hereditary hemoglobin defect.