Which feature of the female pelvis is adapted to allow the pelvic outlet a larger size?
A) wider pelvic inlet
B) lateral ilia
C) broader greater pelvis
D) greater separation of the ischial spines
E) None of the answers are correct.
D) greater separation of the ischial spines
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Axons of the corticobulbar tract terminate in the
A) sensory neurons. B) somatic motor neurons in the spinal cord. C) autonomic motor neurons in the spinal cord. D) motor nuclei of cranial nerves. E) nuclei in the thalamus.
A chemistry student accidentally spills chlorine bleach into a dilute acid. The mixture reacts and produces fumes that are inhaled by the student and that reduce his ventilation. Assume that the gaseous chemical produced is a base (i.e., it releases OH- in an aqueous solution), and that the chemical is absorbed into the bloodstream at the alveoli. Explain why ventilation is reduced in the patient.
What will be an ideal response?
Which statement about blood is true?
A) Oxygen is transported by the leukocyte. B) Leukocytes are the most common cell in blood. C) The neutrophil is the rarest type of white blood cell. D) Red bone marrow produces erythrocytes, leukocytes, and thrombocytes.
Which of the following would help maintain the medullary concentration gradient?
A. movement of urea from the distal convoluted tubule to the proximal convoluted tubule B. urea movement from the collecting duct to medullary interstitial fluid C. movement of water from the ascending limb into the medullary interstitial fluid D. active transport of sodium and chloride from the medullary interstitial fluid into the collecting duct E. urea movement into the collecting duct