Which is best described as the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures?

Correct Answer: C

Rationale: Heart failure is best described as the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures. This results in the inefficient delivery of oxygen and nutrients to the body's tissues, leading to symptoms such as fatigue, shortness of breath, and fluid retention. Pulmonary congestion, systemic venous congestion, and congenital heart defects can be associated with heart failure but are not the primary definition of the condition.

Correct Answer: A

Rationale: Bowlegged appearance in a toddler is not considered normal and should prompt further investigation by a healthcare provider. Bowlegs, also known as genu varum, can be caused by various underlying conditions such as vitamin D deficiency, rickets, or genetic factors. It is important to determine the cause of bowleggedness in order to provide appropriate treatment or interventions to promote proper development of the child's legs. Bowleggedness on its own is not considered a normal variation in toddler development and warrants further assessment.

Correct Answer: C

Rationale: ACTH (Adrenocorticotropic hormone) might be ordered to help control symptoms of multiple sclerosis and possibly induce a remission. ACTH is sometimes used as a treatment option for multiple sclerosis due to its anti-inflammatory properties. It can help reduce inflammation in the central nervous system and, in some cases, lead to a decrease in symptoms and possibly induce a remission. However, it is important to note that ACTH is not commonly used as a first-line treatment for multiple sclerosis and is usually reserved for cases that are refractory to other medications.

Correct Answer: C

Rationale: The Edinburgh Postnatal Depression Scale is a screening tool for postnatal depression which might address her unhappiness.

Correct Answer: B

Rationale: These milestones are typically achieved around 30 months.