The three primary germ layers develop during this stage of human fetal development
A) morula B) cleavage C) blastula D) gastrula
Answer: B
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Membranes that consist primarily of areolar tissue and an incomplete layer of epithelial tissue are called ________ membranes.
A) serous B) mucous C) cutaneous D) synovial E) peritoneal
What do the left common carotid, brachiocephalic artery, and left subclavian all have in common?
A. They all are found in the abdominal cavity. B. They are all coronary vessels. C. They all carry blood to the head. D. They all branch from the aortic arch.
Under a microscope you view a cell with a very large quantity of lysosomes present. What could this indicate?
A)The cell is about to undergo apoptosis. B)The cell has a high energy demand. C)The cell is detoxifying toxins. D)The cell is making a large amount of protein.
In which structure does fertilization usually occur?
A) Uterine tube B) Urinary bladder C) Urethra D) Uterus E) Ovary