What is the first digestive process, which involves placing food in the mouth, to occur?
A) segmentation
B) mastication
C) peristalsis
D) ingestion
D
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Skin color is due to
A) dermal blood supply. B) thickness of the stratum corneum. C) carotene. D) melanin. E) All of the answers are correct.
All of the following will normally be found in the filtrate EXCEPT
A) potassium B) urobilinogen C) glucose D) erythrocytes
These molecules move through the lipid portion of the plasma membrane by simple diffusion
A) Na+ and Cl- B) CO2 and O2 C) K+ and Ca2+ D) glucose
If you suspect that an unconscious patient has experienced a spinal injury, you should open his or her airway by:
A) applying firm pressure to the patient's forehead and tilting the head back. B) placing your fingers behind the angle of the jaw and lifting the jaw forward. C) carefully grasping the tongue and jaw and slowly lifting the jaw forward. D) lifting up on the jaw while placing the head in a slightly extended position.