Answer the following statements true (T) or false (F)
1. Lying in one position for a long period of time can cause a decubitus ulcer.
2. Apocrine and sebaceous glands are referred to as sudoriferous glands.
3. Both melanin and keratin are important in the protective function of skin.
4. Skin helps cool the body by producing sweat that evaporates and by constricting the blood vessels near the surface of skin.
5. The “rule of nines” is a method of determining the percent of body surface area in a part of the body.
1. TRUE
2. FALSE
3. TRUE
4. FALSE
5. TRUE
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Which is TRUE regarding the secretion of HCl in the stomach?
A. The pH of the blood leaving the area of the parietal cells is lower than the normal ECF value of 7.4. B. H+ is actively cotransported into the lumen by secondary active transporters coupled to K+. C. Cl- and HCO3- are exchanged across the luminal membrane of epithelial cells via a passive transport protein. D. H+ is actively transported into the gastric lumen by ATPase pumps in the mucosal membrane. E. H+ diffuses passively from mucosal epithelial cells into the lumen of the stomach, following Cl-.
Gram for gram, carbohydrate provides about twice as much energy as protein
Indicate whether the statement is true or false
Temperature stabilization is dependent upon which properties of water?
a. cohesion and adhesion b. capillary action and adhesion c. specific heat and heat of vaporization d. cohesion and specific heat
The __________ of the kidney is segregated into triangular regions with a striped appearance.
a) cortex b) nephron c) medulla d) renal pelvis