Explanation
(A) The stones consist of calcium and phosphorus; therefore, these minerals should be avoided. A high-calcium diet is contraindicated. (B) A high-phosphorus diet is contraindicated. (C) A 2-g sodium diet is a cardiac diet. (D) A low-calcium and phosphorus diet will reduce further calculi formation.

(A) Clients with respiratory diseases are generally mouth breathers. Cleaning the oral cavity may improve the client's appetite, increase her feelings of well-being, and remove the taste and odor of sputum. (B) Milk causes thick sputum; therefore, milk products would not be beneficial for this client. (C) Exercise prior to a meal would require increased O2 consumption and most likely would decrease the client's ability to eat. (D) Clients with respiratory diseases need increased fluid to liquefy secretions.

Explanation
(A) Basilar skull fractures are fractures of the base of the skull. Blood behind the eardrum or blood or cerebrospinal fluid (CSF) leaking from the ear are indicative of a dural laceration. Basilar skull fractures are the only type with these symptoms. (B, C, D) These do not typically cause dural lacerations and CSF leakage.

(A) Impaired communication refers to decreased ability or inability to use or understand language in an interaction. (B) In sensory-perceptual alterations an individual has distorted, impaired, or exaggerated responses to incoming stimuli (i.e., a hallucination, which is a false sensory perception that is not associated with real external stimuli). (C) An altered thought processes problem statement is used when an individual experiences a disruption in cognitive operations and activities (i.e., delusions, loose associations, ideas of reference). (D) In impaired social interaction, the individual participates too little or too much in social interactions.

Explanation
(A) Monitoring liver function will not prevent the development of drug-resistant organisms. (B) Monitoring renal function will not prevent the development of drug-resistant organisms. (C) Knowledge of respiratory isolation will reduce transmission of tuberculosis but will not prevent development of drug-resistant organisms. (D) Noncompliance with prescribed antituberculosis drug regimen is the primary cause of drug-resistant organisms. Noncompliance permits the mutation of organisms.