During swallowing, the opening into the larynx is covered by the ________.

A) epiglottis
B) thyroid cartilage
C) cricoid cartilage
D) arytenoid cartilage
E) the "Adam's apple"

​Which molecule(s) , derived from cholesterol, plays an important role in the digestion of fats?

A) ​steroid hormones
B) ​estradiol
C) ​testosterone
D) ​bile
E) ​vitamin D

In Louisiana, where marshlands have become open water, sediments are being brought in via barges and marsh grasses are being planted as an example of ____.

A) ecological restoration
B) biodiversity hot spots
C) ecoregion creation
D) endangered species protection
E) global warming mitigation

Which statement correctly identifies the phase of the cardiac cycle that occurs when the pressure in the ventricles is lower than the pressure in the great arteries but greater than the pressure in the atria?

A) Passive ventricular filling
B) Period of ejection
C) Period of isovolumetric contraction
D) Active ventricular filling

Which membrane separates the cochlear duct from the scala tympani, and provides a surface on which the spiral organ rests?

A) Vestibular membrane
B) Tectorial membrane
C) Cochlear membrane
D) Basilar membrane
E) Tympanic membrane

Mendel's principle of segregation states that

A) alleles from one parent mask the expression of alleles from the other parent.
B) alleles separate from each other before forming gametes.
C) hybrids will express a phenotype intermediate between the two parental phenotypes.
D) true-breeding parents produce offspring of the same phenotype.
E) dominant and recessive alleles segregate during meiosis.

How long does olfactory adaptation occur?

A) a few minutes
B) a few seconds
C) a few days
D) a few hours

Neutrophils and macrophages

A) Innate immunity
B) Antibody-mediated immunity
C) Cell-mediated immunity
D) Both antibody-mediated and cell-mediated immunity
E) Innate immunity, antibody-mediated immunity, and cell-mediated immunity