Following a traumatic brain injury, initial swelling of the brain occurs due to:
A) severe ischemia.
B) acute hypertension.
C) cerebral vasodilation.
D) an increase in cerebral water.
Answer: C) cerebral vasodilation.
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Each of the following hormones is an amino acid derivative except one. Identify the exception.
A) epinephrine B) thyroid hormone C) norepinephrine D) melatonin E) thyroid-stimulating hormone
Answer the following statements true (T) or false (F)
1. Afferent vessels carry lymph toward the lymph node. 2. Lymph typically has several efferent vessels. 3. Efferent vessels carry lymph away from the lymph node. 4. Lymph nodes can trap cancer cells that have been carried away from the primary cancer site. 5. The lymphatic system may be the route that some cancers use to spread to other parts of the body.
Which of the following best describes an effect of hydrotherapy that affects the entire body?
a. Local effect. b. Systemic effect. c. Reflex effect. d. Thermal effect.
The specialized cellular compartments within the cytosol of the cell are collectively called ________
A) organelles B) cilia C) flagella D) microvilli