Which secretion is a first line of defense against pathogen invasion that involves antibacterial and antifungal fatty acids, as well as lactic acid?
a. Optic tears
b. Oral saliva
c. Sweat gland perspiration
d. Sebaceous gland sebum
Ans: d. Sebaceous gland sebum
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Which of the following is the greatest risk factor for the development of Alzheimer's disease?
A) age B) genetic predisposition C) history of previous head injury D) environmental exposure
Which of these persons is at risk for having hemophilia?
a. the daughter of a mother who has hemophilia b. the daughter of a father who has hemophilia c. the daughter of a mother who carries the recessive X chromosome d. the son of a mother who carries the trait on the recessive X chromosome
A nurse is planning preoperative care for a newborn with tracheoesophageal fistula (TEF). Which interventions should the nurse plan to implement? (Select all that apply.)
a. Positioning with head elevated on a 30-degree plane b. Feedings through a gastrostomy tube c. Nasogastric tube to continuous low wall suction d. Suctioning with a Replogle tube passed orally to the end of the pouch e. Gastrostomy tube to gravity drainage
____________________ is an accumulation of gas in the bowel.
Fill in the blank(s) with the appropriate word(s).