Which of the following occurs with cellular mutation? (Select all that apply.)
a. The cell membrane is punctured.
b. The cell can no longer divide.
c. DNA mistakes have been made.
d. Proteins are no longer synthesized.
e. There has been a genetic change in the cell.
f. The cell becomes malignant.
ANS: C, D, F
DNA mistakes acquired during life are called mutations. A mutation is any change in the DNA code. Ultraviolet rays or exposure to certain chemicals may cause structural changes in the DNA code. Mutations may kill an affected cell or irreversibly alter its function. Such altered cells may become malignant. A, B, and D are associated with slowed growth or cell death.
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a. Cognitive development b. Moral development c. Psychosocial development d. Psychosexual development
A woman who is 2 weeks postpartum calls the clinic and says, "My left breast hurts.". After further assessment on the phone, the nurse suspects the woman has mastitis. In addition to pain, the nurse would assess for which of the following?
A) An inverted nipple on the affected breast B) No breast milk in the affected breast C) An ecchymotic area on the affected breast D) Hardening of an area in the affected breast
Alcohol is a(n):
A) Central nervous system (CNS) stimulant B) CNS depressant C) Antipsychotic D) Antidepressant
Sources of invisible fat include
a. pastries and pies. b. bacon and chicken with skin. c. butter and sour cream. d. oil and vinegar salad dressing.