Answer:
ANSWER: C
Keratoacanthoma is a relatively common lesion in the elderly, but is difficult to distinguish from squamous
cell carcinoma. However, it is easily distinguished from Bowen's disease, basal cell carcinoma, Kaposi's
sarcoma, and seborrheic keratosis. Most keratoacanthomas undergo a benign self-healing course but may
leave a large, unsightly scar. Treatment is almost always preferred, both for cosmetic reasons and to
prevent the rare case of malignant transformation. Proper treatment for a lesion with this appearance is
excisional biopsy in order to distinguish between keratoacanthoma and squamous cell carcinoma.lanation:
Answer:
The previous sentence is false.
Explanation:
The tricuspid valve is between the right atrium and right ventricle. Also,The valve which is under the most pressure to block blacflow of blood during ventricular systole is the mitral valve. Mitral valve is the one which is located between the left atrium and left ventricle.
The heart works with two processes: diastole and systole. Systole occurs when the heart contract himself to expulse blood to the vessels, and when the heart relaxes while it fulfills of blood is called diastole. During the systole process the tricuspid valve needs to be closed to allow the increase of pressures inside the heart cameras and then allow the expulse of blood. But, during diastole, tricuspid valve needs to be open to allow the correct filling of right side of the heart.
Answer:
1. the primary mechanism to maintain homeostasis is negative feedback.
2. When exposed to hot conditions, sweating is one of the primary methods your body uses to control its temperature.
3. Sweat, as it evaporates, helps cool the skin. Blood vessels feeding the skin also dilate, which allows warm blood to flow to the skin surface. This helps remove heat from the body core.
4. Bacteria can also disrupt homeostasis in your body, and can make you sick.
5. In response to infection, your immune system springs into action.
6.
Answer:
Surgical cases tend to have a higher relative weight because they are generally more resource extensive than medical cases
Explanation: