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Which of the following is TRUE about temperature?
- A. The highest temperature usually occurs later in a day, around 8 P.M to 12 M.N
- B. The lowest temperature is usually in the Afternoon, Around 12 P.M
- C. Thyroxin decreases body temperature
- D. Elderly people are risk for hyperthermia due to the absence of fats, Decreased thermoregulatory control and sedentary lifestyle.
Correct Answer: A
Rationale: Body temperature peaks late day (8 PM-midnight) due to circadian rhythms e.g., higher metabolism. Lowest is early morning (not noon), thyroxin raises temp (not lowers), and elderly risk hypothermia (not hyperthermia) from poor regulation. Nurses monitor this pattern for fever assessment, per physiological norms.
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A client with a new diagnosis of type 1 diabetes mellitus is being taught by a nurse. Which of the following statements should the nurse include in the teaching?
- A. You can still eat sugar, but you must count it in your carbohydrate count for the day.
- B. You need to avoid all forms of sugar to keep your blood glucose levels under control.
- C. You can eat unlimited amounts of proteins and fats since they do not affect blood glucose levels.
- D. You will need to take an oral hypoglycemic agent every day to manage your blood glucose levels.
Correct Answer: A
Rationale: The correct statement to include in teaching a client with type 1 diabetes mellitus is that they can still eat sugar, but they must count it in their carbohydrate intake for the day. This is important because clients with type 1 diabetes need to manage their blood glucose levels by calculating their carbohydrate intake, including sugars. Choice B is incorrect because total avoidance of sugar is not necessary, but monitoring and including it in the carbohydrate count is essential. Choice C is incorrect as proteins and fats can also affect blood glucose levels and should be consumed in moderation. Choice D is incorrect since oral hypoglycemic agents are not used in type 1 diabetes mellitus, as insulin replacement therapy is the mainstay of treatment.
When is the best time to collect urine specimen for routine urinalysis and C/S?
- A. Early morning
- B. Later afternoon
- C. Midnight
- D. Before breakfast
Correct Answer: A
Rationale: Early morning urine first void e.g., concentrated is best for urinalysis/C&S, detecting glucose, bacteria. Later dilutes; midnight, pre-breakfast vary. Nurses collect e.g., 6 AM for accuracy, per protocols.
A healthcare professional is planning care for a client who has a new prescription for a low-sodium diet. Which of the following foods should the healthcare professional recommend?
- A. Canned soup
- B. Fresh fruit
- C. Pickles
- D. Soy sauce
Correct Answer: B
Rationale: Fresh fruit is naturally low in sodium and is a suitable choice for a low-sodium diet. It provides essential nutrients without adding significant amounts of sodium, making it a healthy option for individuals following a low-sodium diet. Canned soup, pickles, and soy sauce are high in sodium content and should be avoided by individuals on a low-sodium diet. Canned soups are often loaded with added salt, pickles are preserved in brine containing high sodium levels, and soy sauce is a condiment with a high sodium content.
Culture media is sterilized by which of the following method?
- A. Autoclaving
- B. Boiling
- C. Hot air oven
- D. Ionizing radiation
Correct Answer: A
Rationale: Sterilization of culture media is critical in microbiology to eliminate contaminants. Autoclaving (choice A) uses moist heat under pressure (typically 121°C at 15 psi for 15-20 minutes) to kill bacteria, spores, and viruses, making it the gold standard for sterilizing liquid media like agar or broth. Boiling (choice B) at 100°C can kill vegetative bacteria but not heat-resistant spores, rendering it inadequate for complete sterilization. Hot air oven (choice C) employs dry heat (160-170°C for 2 hours) and is suitable for glassware, not liquid media, as it may evaporate or degrade nutrients. Ionizing radiation (choice D) is effective for heat-sensitive materials (e.g., plastics), but it's less common for routine media preparation due to cost and equipment needs. Autoclaving is the correct answer (A) because it ensures thorough sterilization of culture media, a process nurses and lab personnel rely on to maintain aseptic conditions for accurate diagnostic cultures.
A client is postoperative following abdominal surgery. Which of the following actions should be taken to prevent respiratory complications?
- A. Instruct the client to exhale into an incentive spirometer
- B. Reposition the client every 8 hours
- C. Assist the client with early ambulation
- D. Maintain the client on bed rest for the first 48 hours
Correct Answer: C
Rationale: Assisting the client with early ambulation is crucial in preventing respiratory complications after abdominal surgery. Early ambulation helps to prevent conditions like atelectasis and pneumonia by promoting lung expansion and preventing pooling of respiratory secretions. It also aids in improving circulation, reducing the risk of deep vein thrombosis, and enhancing overall recovery. Instructing the client to exhale into an incentive spirometer (Choice A) is beneficial for lung expansion but is more focused on respiratory therapy rather than preventing complications. Repositioning the client every 8 hours (Choice B) is important for preventing pressure ulcers but is not directly related to preventing respiratory complications. Maintaining the client on bed rest for the first 48 hours (Choice D) can lead to complications such as atelectasis, pneumonia, and deep vein thrombosis due to decreased lung expansion and mobility.