Nokea
The formula to predict the maximum predicted heart rate for Treadmill exercise testing in CAD patients on beta blockers is X - (0.7 X Age). The value of X is
- A. 174
- B. 164
- C. 184
- D. 154
Correct Answer: B
Rationale: The value of X is 164 in the formula for predicting maximum heart rate in CAD patients on beta blockers.
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The following are characters of venous hum EXCEPT
- A. continuous murmur heard in infraclavicular region
- B. grades louder with mane compression
- C. l-lll/Vl in supine position
- D. with jugular vein changes in patient position
Correct Answer: B
Rationale: Venous hums are continuous murmurs that change with position and compression but do not grade louder with mane compression.
A 3-year-old child is receiving dextrose 5% in water and half-normal saline solution at 100 ml/hour. Which sign or symptom suggests excessive I.V. fluid intake?
- A. Worsening dyspnea
- B. Gastric distension
- C. Nausea and vomiting
- D. Temperature of 102°F (38.9° C)
Correct Answer: A
Rationale: Worsening dyspnea may indicate fluid overload, leading to pulmonary edema and respiratory distress.
Regarding hypogonadotropic hypogonadism:
- A. Kallman syndrome is an example
- B. It is caused by testicular atrophy secondary to trauma
- C. LHRH testing is used to distinguish it from other forms of hypogonadism
- D. It is treated with buserelin sprays
Correct Answer: A
Rationale: Kallman syndrome is a classic example of hypogonadotropic hypogonadism, characterized by delayed puberty and anosmia.
The nurse has provided home care instructions to the parents of a child who is being discharged after cardiac surgery. Which statement by the parents indicates a need for further instructions?
- A. “A balance of rest and exercise is important.â€
- B. “I can apply lotion or powder to the incision if it is itchy.â€
- C. “Activities in which my child could fall need to be avoided for 2-4 weeks.â€
- D. “We should avoid going to places like the mall or grocery stores for at least 2 weeks after surgery.â€
Correct Answer: B
Rationale: Applying lotion or powder to the incision can increase the risk of infection. Parents should be instructed to keep the incision clean and dry.
A client who has a history of hypothyroidism was initially admitted with lethargy and confusion. Which additional finding warrants the most immediate action by the nurse?
- A. Facial puffiness and periorbital edema
- B. Hematocrit of 30%
- C. Cold and dry skin
- D. Further decline in level of consciousness
Correct Answer: D
Rationale: A further decline in level of consciousness could indicate myxedema coma, a life-threatening complication of hypothyroidism.