From which embryonic brain region does the medulla oblongata form?
A. Telencephalon
B. Myelencephalon
C. Metencephalon
D. Diencephalon
E. Mesencephalon
Answer: B
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In the the "rule of nines," the perineum accounts for ________ percent of the body surface area.
A. 18 B. 9 C. 4.5 D. 1
Answer the following statements true (T) or false (F)
1. The organelle where aerobic or cellular respiration occurs is the mitochondria. 2. Lysosomes not only digest microbes but also are involved in the process of “cell suicide” called apoptosis. 3. Lysosomes are baglike structures that contain digestive enzymes. 4. Only about half the population have cells with flagella. 5. Chromatin contains both protein and DNA.
The slow pain pathway is activated by
a. stimulation of mechanical or thermal nociceptors. b. stimulation of polymodal nociceptors. c. release of bradykinin. d. both (a) and (c) above. e. both (b) and (c) above.
What does it mean to be a universal recipient? A person with the blood type known as the universal recipient ________.
A. lacks the ability to produce antibodies for any donor blood type B. expresses O agglutinogens along with A and B antibodies C. has type-O blood, which contains A and B antibodies D. has type-AB blood, which contains A and B agglutinins