When do the extraembryonic membranes form?
A) eighth week of development B) tenth week of development
C) fifth week of development D) second week of development
Answer: D
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Match the following:
A) Thoracic vertebrae B) Lumbar vertebrae C) Atlas D) Coccyx E) Axis 1) These bones have the thickest centrum with short blunt spinous processes. 2) The fused rudimentary tailbone. 3) A circle of bone that articulates superiorly with the occipital condyles. 4) These bones have articular facets for the ribs. 5) Allows the head to nod "yes." 6) Allows the head to shake "no."
What mediates the primary response?
a. IgA antibodies b. T cells c. IgM antibodies d. B cells e. IgG antibodies
What would the following blood values indicate? Blood pH = 7.3, [HCO3-] is high, PCO2 is high.
A) metabolic acidosis with respiratory compensation B) respiratory alkalosis with renal compensation C) respiratory acidosis with renal compensation D) metabolic alkalosis with respiratory compensation E) metabolic acidosis only
Astigmatism ________
A) results from a slight elongation of the eyeball B) literally means "old vision" C) results from irregular curvatures of the lens or cornea D) is a decline in visual acuity