Which among the following beta-blockers is not potent than propranolol (considering propranolol = 1)?
- A. Carvedilol
- B. Metoprolol
- C. Bisoprolol
- D. Labetalol
Correct Answer: D
Rationale: Labetalol has a lower beta-blocking potency compared to propranolol, especially considering it also has alpha-blocking activity.
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Recognised features of myotonic dystrophy include:
- A. Phenomenon of anticipation
- B. Muscle pain
- C. Diplopia
- D. Cardiomyopathy
Correct Answer: A
Rationale: The phenomenon of anticipation, where symptoms become more severe or appear at an earlier age as the disorder is passed through generations, is a recognized feature of myotonic dystrophy.
Recognised diagnoses of tender scrotal swelling in infancy include:
- A. Inguinal hernia
- B. Epididymo-orchitis
- C. Breech delivery
- D. Torsion of testis
Correct Answer: D
Rationale: Torsion of the testis is a medical emergency and a common cause of tender scrotal swelling in infancy. Inguinal hernia and epididymo-orchitis are also possible but less urgent. Breech delivery is unrelated.
The nurse determines that a client who arrives in the preoperative holding area before surgery is allergic to bananas. Which action should the nurse implement prior to taking the client into the operative area?
- A. Replace latex-containing devices in the OR with alternate synthetic materials
- B. Administer an antihistamine before surgery.
- C. Notify the surgeon about the client's allergy to bananas.
- D. Prepare to administer an epinephrine injection during surgery
Correct Answer: A
Rationale: Banana allergy is associated with latex allergy. Replacing latex-containing devices prevents potential allergic reactions during surgery.
What is one reason why patients with CHD are more likely to have rejection post-transplant than those with cardiomyopathy?
- A. Sensitized recipients with panel reactive antibody (PRA)
- B. Absence of systemic disease
- C. History of good compliance
- D. None of the above
Correct Answer: A
Rationale: Patients with congenital heart disease (CHD) are often sensitized due to prior surgeries and blood transfusions, leading to a higher risk of rejection post-transplant.
Which of the following is least considered to be a normal variant in newborns?
- A. Milia
- B. Neonatal pustular melanosis
- C. Dermal melanocytosis
- D. Infantile acropustulosis
Correct Answer: D
Rationale: Infantile acropustulosis is not considered a normal variant in newborns; it is a rare condition characterized by recurrent pustular eruptions.