Which pair of salivary glands secretes substances that reduce oral bacteria populations?
A) lingual
B) sublingual
C) submandibular
D) parotid
E) buccal
Answer: C
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An Olympic sprinter readies for a race. After the sound of the starting gun, he propels himself forward from the starting block and immediately grimaces in pain, grabbing for the back of his thigh. Within 48 hours he begins noticing extensive bruising on the back of his thigh extending into the back of the knee. He now has difficulty rising from a seated position and flexing his knee. Bending at the waist generates more pain. Which muscle is likely injured?
A. Gluteus maximus B. Popliteus C. Biceps femoris D. Gastrocnemius E. Iliopsoas
Answer the following statements true (T) or false (F)
1. Loss of skin elasticity is a clinical sign of overhydration. 2. Overhydration can be caused by a too rapid infusion of intravenous fluids. 3. One of the results of overhydration is to put too heavy a burden on the kidneys. 4. Fluid balance implies that both total volume and distribution of water remain normal. 5. The most abundant substance in the body is water.
Mean arterial pressure is:
a. diastolic pressure + (systolic/3) b. systolic pressure + (pulse pressure/3) c. diastolic pressure + (pulse pressure/3) d. pulse pressure - (diastolic pressure/3) e. pulse pressure + (systolic pressure/3)
Secretions from which of the following areas of the cortex cause Cushing disease?
a. adrenal medulla b. zona fasciculata c. zona glomerulosa d. zona reticularis