Which statement is true?
a. diploid cells contain 23 chromosomes
b. sperm and egg are haploid cells
c. sperm and egg are produced by mitosis
d. each human cells has 22 pairs of sex chromosomes
e. genetic males have two of the same sex chromosomes
B
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Leukocytes help to fight ________________________________________
Fill in the blank(s) with correct word
A full-body exam for a trauma patient with a significant mechanism of injury and signs of a spinal cord injury:
A) is performed at least every 5 to 10 minutes. B) should focus specifically on the spinal region. C) is usually not practical in the prehospital setting. D) should be performed en route to the hospital.
Excretory organs are the third line of defense against changes in [H+]
Indicate whether the statement is true or false
The numbers of spinal nerve pairs in the cervical, thoracic, lumbar, sacral and coccygeal regions are ________ respectively.
A. 7, 12, 5, 5, and 4 B. 8, 12, 5, 5, and 1 C. 7, 10, 5, 4, and 1 D. 8, 12, 5, 5, and 4 E. 7, 12, 5, 5, and 1