Nursing Elites

1. Which type of shock is related to low blood volume?

• A. Psychogenic
• B. Cardiogenic
• C. Anaphylactic
• D. Hemorrhagic

Correct answer: D

Rationale: Hemorrhagic shock, also known as hypovolemic shock, is directly related to low blood volume due to significant blood loss. In hemorrhagic shock, the body's circulating blood volume is reduced, leading to inadequate perfusion of tissues and organs. Psychogenic shock is caused by emotional distress, not blood volume changes. Cardiogenic shock results from heart failure, not low blood volume. Anaphylactic shock is due to a severe allergic reaction, not a reduction in blood volume.

2. A client has fallen asleep in his bed in the hospital. His heart rate is 65 bpm, his muscles are relaxed, and he is difficult to arouse. Which stage of the sleep cycle is this client experiencing?

• A. Stage 1
• B. Stage 2
• C. Stage 3
• D. Stage 4

Correct answer: C

Rationale: The client in this scenario is experiencing stage 3 of the sleep cycle. In stage 3, the individual has moved into deeper stages of sleep, making it difficult to arouse. Characteristics of stage 3 include relaxed muscles, a decrease in vital signs, and being very still. Stage 3 is a phase of non-REM sleep where the client progresses towards REM sleep and vivid dreams. Choices A, B, and D are incorrect. Stage 1 is characterized by light sleep, stage 2 is a slightly deeper sleep with sleep spindles and K-complexes, and stage 4 is the deepest stage of sleep with the slowest brain waves.

3. Which is the most effective action for controlling the spread of infection?

• A. Thorough hand hygiene
• B. Wearing gloves and masks when providing direct client care
• C. Implementing appropriate isolation precautions
• D. Administering broad-spectrum prophylactic antibiotics

Correct answer: A

Rationale: Thorough hand hygiene is the most effective action for controlling the spread of infection as hands are a common source of transmission. Regular and routine hand hygiene helps prevent the movement of potentially infective materials. Wearing gloves and masks is important when providing direct client care to protect both the caregiver and the patient, but it is not as effective as thorough hand hygiene in preventing overall infection spread. Implementing appropriate isolation precautions is necessary for clients with known communicable diseases, but it is not as universally effective in preventing the spread of various infections. Administering broad-spectrum prophylactic antibiotics is not an appropriate measure for controlling the spread of infection as routine use can lead to superinfection and the development of resistant organisms.

4. What is the correct action regarding thigh pressure when comparing it to arm pressure in an adolescent with high blood pressure?

• A. The popliteal artery should be auscultated to obtain thigh pressure.
• B. The best position to measure thigh pressure is the prone position.
• C. If the blood pressure in the arm is high in an adolescent, then it should be compared with the thigh pressure.
• D. Thigh pressure is generally higher than arm pressure due to the proximity to the heart and the size of the popliteal vessels.

Correct answer: C

Rationale: When blood pressure measured in the arm is significantly elevated, especially in adolescents and young adults, it is crucial to compare it with thigh pressure to assess for coarctation of the aorta. The popliteal artery, not the femoral artery, should be auscultated for the thigh pressure reading as the femoral artery is closer to the placement of the blood pressure cuff. Generally, thigh pressure is higher than arm pressure; however, if there is coarctation of the artery, arm pressures can be higher than thigh pressures. The preferred position for measuring thigh pressure is the prone position, not supine, with the knee slightly bent to facilitate accurate readings.

5. Which brain structure serves as the heat-regulating center?

• A. Hypothalamus
• B. Pituitary Gland
• C. Pons
• D. Medulla Oblongata

Correct answer: A

Rationale: The correct answer is the Hypothalamus. The hypothalamus is responsible for regulating body temperature, ensuring it stays within a narrow range. Moreover, the hypothalamus controls various essential bodily functions, such as hunger, thirst, and circadian rhythms. Choices B, C, and D are incorrect because the Pituitary Gland primarily produces and releases hormones, the Pons is involved in functions like sleep, respiration, and bladder control, and the Medulla Oblongata controls vital functions like breathing and heart rate, but not body temperature regulation.

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