What physical signs would be expected in a person whose blood calcium was abnormally low?
What will be an ideal response?
If a person's blood calcium were abnormally low, neuron and muscle cell functions would be disrupted. Skeletal muscles might not function properly, so the person's movement would be altered. Cardiac muscle could also be affected, so heart rate is likely to be irregular.
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Answer the following statements true (T) or false (F)
1. A physician is often able to detect homeostatic imbalances in the body by observing changes in the skin color. 2. When an individual is exposed to extremely low air temperatures, the dermal blood vessels will dilate so that blood and heat will be dissipated. 3. Regardless of race, all human beings have about the same number of melanocytes. 4. Ceruminous glands are modified merocrine glands. 5. The stratum corneum (outermost layer of skin) is a zone of approximately four layers of viable cells that are able to synthesize proteins that keep the outer layer of skin smooth and soft.
Which of the following types of strength training is particularly associated with subsequent muscular soreness?
A. concentric B. eccentric C. isometric D. all of the above
Cones are more abundant than rods through the entire retina
Indicate whether the statement is true or false
The ______ cells are responsible for HCl production.
A. goblet B. mucous C. parietal D. chief