A ____ is the instrument that is used to hold the walls of the vagina open during vaginal exams.

Clinicians should make a presumptive diagnosis of acute bacterial sinusitis when a child with and acute URI presents with all the following EXCEPT:

You are seeing an 8 year old for an ill visit. What history would make you suspect bacterial pneumonia? 

A vibratory systolic murmur is heard between the lower left sternal border and mid-sternal border in a healthy 5 year old at his kindergarten physical. The cardiovascular exam is otherwise normal. A likely diagnosis is

A child  is found to have a murmur on exam. When explaining possible etiology to the parent, you know that which of the following is usually true regarding innocent murmurs?

You are seeing an 8 year old for an ill visit. What history would make you suspect bacterial pneumonia? 

Briefly, explain the purpose of adding sodium bicarbonate to water when studying photosynthesis.

Identify which of the following are reactants of cellular respiration. Select all that apply!

A person with the A blood type expresses which glycoproteins on their red blood cell surface?  

Identify which of the following are products of cellular respiration. Select all that apply!