In a cyanotic spell of TOF
- A. Systemic vascular resistance is reduced
- B. Murmur disappear
- C. PO2 is reduced
- D. Right to Left shunt is Increased
Correct Answer: D
Rationale: During a cyanotic spell in Tetralogy of Fallot, there is an increased right-to-left shunting through the ventricular septal defect.
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The nurse is planning a hypertension-prevention program. What should be the main focus of the nurse when presenting information?
- A. Pharmacological treatment
- B. Surgical interventions available
- C. Patient education
- D. Reduction of aerobic exercise
Correct Answer: C
Rationale: The main focus of a hypertension-prevention program is patient education.
Childhood autism:
- A. Is commoner in boys
- B. Is characterised by extreme delay of social milestones
- C. Repetitive tasks are commonly performed
- D. Is characterised by extremely chaotic routines
Correct Answer: A
Rationale: Autism spectrum disorder is more commonly diagnosed in boys than girls, with a male-to-female ratio of approximately 4:1.
Nystagmus can be a presenting sign in:
- A. Partial albinism
- B. Retinopathy of prematurity
- C. Acute vestibulitis
- D. Medulloblastoma
Correct Answer: D
Rationale: Medulloblastoma, a type of brain tumor, can present with nystagmus due to its impact on the cerebellum and brainstem.
A nurse is preparing to administer an angiotensin-converting enzyme (ACE) inhibitor. Which drug should the nurse administer?
- A. Captopril (Capoten)
- B. Furosemide (Lasix)
- C. Spironolactone (Aldactone)
- D. Chlorothiazide (Diuril)
Correct Answer: A
Rationale: Captopril is an ACE inhibitor. Furosemide is a loop diuretic. Spironolactone blocks the action of aldosterone. Chlorothiazide works on the distal tubules.
Among the following Group A beta hemolytic streptococcus has the highest resistance to
- A. Cephalexin
- B. Clindamycin
- C. Erythromycin
- D. Doxycycline
Correct Answer: C
Rationale: Group A beta hemolytic streptococcus has shown the highest resistance to erythromycin.