An XY combination of sex chromosomes is a genetic male
Indicate whether the statement is true or false
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There is one __________ for each nephron.
A. peritubular capillary B. vasa recta C. minor calyx D. afferent arteriole E. cortical radiate artery
If abdominal muscles are contracted while the vertebral column is fixed, this will aid in ________.
A. defecation B. vomiting C. childbirth D. urination E. All of the choices are correct.
Which of the following statements concerning sutures is false?
A. They may become completely immovable in adults. B. The opposing bones in the joint interdigitate for stability. C. The tissue between the bones is hyaline cartilage. D. The periosteum of adjacent bones is continuous over the joint. E. Membranes, called fontanels, are present in some sutures at birth.
Which of the following is correctly associated with the medulla oblongata?
A. It gives rise to conscious thoughts. B. It contains nuclei for regulation of heart rate and blood vessel diameter. C. It contains enlargements called cerebral peduncles. D. It is the most superior portion of the brainstem. E. It relays sensory information.