Nokea
Which of the following responses indicates sympathetic nervous system function?
- A. Tachycardia, dilated pupils
- B. Hypoglycaemia, headache
- C. Increased peristalsis, abdominal cramping
- D. Pupil constriction, bronchoconstriction
Correct Answer: A
Rationale: The sympathetic nervous system is responsible for the body's "fight or flight" response. Tachycardia (increased heart rate) and dilated pupils are classic responses of the sympathetic nervous system activation during times of stress or danger. These physiological responses prepare the body for action, such as running away from a threat.
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A 7 year old boy came to OPD with history of difficulty in rising up from sitting position. Examination reveals hypertrophy of calf muscles with trendelenburg gait. The most likely diagnosis is:
- A. Becker's muscular dystrophy
- B. Duchenne muscular dystrophy
- C. Myotonic muscular dystrophy
- D. Cerebral palsy
Correct Answer: B
Rationale: Duchenne muscular dystrophy typically presents in early childhood with difficulty rising from a seated position (Gower's sign), calf muscle hypertrophy, and Trendelenburg gait.
The nurse is preparing to administer a unit of blood to a client's who's anemic. After its removal from the refrigerator, the blood should be administered within:
- A. 1 hour
- B. 4 hours
- C. 2 hours
- D. 6 hours
Correct Answer: B
Rationale: After blood is removed from the refrigerator, it should be administered within 4 hours. Blood should be stored in a controlled temperature environment to prevent bacterial growth and to maintain its effectiveness. In order to minimize the risk of bacterial contamination, it is important for the nurse to adhere to the recommended time frame for administering blood products. Administering the blood within 4 hours helps ensure its safety and effectiveness for the client.
Which of the following problems associated with anemia best explains why Aisa becomes dizzy during periods of physical activity?
- A. A sudden drop in blood pressure
- B. Insufficient cerebral oxygenation
- C. Decreased level of serum glucose
Correct Answer: B
Rationale: Anemia is a condition characterized by a decreased number of red blood cells or hemoglobin, which can result in inadequate oxygen delivery to tissues and organs, including the brain. When Aisa engages in physical activity, her body's oxygen demand increases. However, due to her anemia, there is a reduced capacity to transport oxygen to meet the increased demand. This mismatch between oxygen supply and demand leads to insufficient oxygen reaching her brain, resulting in dizziness. This symptom is consistent with the explanation of insufficient cerebral oxygenation in the context of anemia.
The nurse is teaching the client about risk factors for diabetes mellitus. Which of the following risk factors for diabetes mellitus is nonmodifiable?
- A. Poor control of blood glucose levels
- B. Current of recent foot trauma
- C. Inappropriate foot care
- D. Advanced age
Correct Answer: D
Rationale: Advanced age is a nonmodifiable risk factor for diabetes mellitus. Nonmodifiable risk factors are characteristics or traits that cannot be changed or controlled. In this case, a person's age is a factor that continuously increases as time passes and cannot be altered. Other nonmodifiable risk factors for diabetes mellitus include family history of diabetes and certain ethnic backgrounds. On the other hand, poor control of blood glucose levels, current or recent foot trauma, and inappropriate foot care are examples of modifiable risk factors that can be managed through lifestyle changes and proper medical care.
An adolescent has been diagnosed with lactose maldigestion intolerance. The nurse teaches the adolescent about lactose maldigestion intolerance and notes the teen needs further teaching if which statement is made?
- A. "I will limit my milk consumption to one to two glasses a day."
- B. "I should drink the milk alone and not with other foods."
- C. "Hard cheese, cottage cheese, or yogurt can be substituted for milk."
- D. "I will take a calcium supplement daily."
Correct Answer: B
Rationale: This statement is incorrect because drinking milk alone without other foods is not necessary for someone with lactose maldigestion intolerance. Mixing milk with other foods or consuming dairy products alongside other foods can sometimes help to reduce symptoms. Therefore, the adolescent does not need further teaching if they make this statement. The other statements are all appropriate for managing lactose maldigestion intolerance.