For the class 16.3-23.8, the width is 8.5.

What is the lower class limit in the class 8-12?

A pathogen entering the respiratory tract would encounter which external defense mechanism?

Which of the following choices best describes the primary function of antibodies?

A substance that is too small (low molecular weight) to stimulate antibody production by itself unless it is attached to a larger carrier molecule is called a(an):

Eosinophils are specialized immune cells primarily associated with: 

According to the U.S. Preventive Services Task Force recommendations, which statement about health screening is correct?

A woman in her third trimester of pregnancy presents to the clinic for her monthly OB visit. During the physical exam, the nurse practitioner finds which of the following expected cardiac changes associated with pregnancy? (Select all that apply).

Which patient is a candidate for an estrogen-containing oral contraceptive?

A 51-year-old female is concerned that she is menopausal. She complains of hot flashes and has not had a period in 12 months. Which of the following diagnostic test results may be helpful for confirmation of menopause?