Ablastula is
a. the innermost germ layer.
b. a hollow ball of cells in an embryo.
c. a digestive organ.
d. a stage of development before a zygote.

Which of the following protists gets nutrients mainly by absorbing molecules from other organisms through their cell walls and cell membranes? a. amoebas b. water molds c. ciliates d. slime molds

An 88 year-old widow with uterine prolapse and multiple comorbid conditions has been unsuccessful in the use of a pessary for treatment elects to receive colpocleisis (lefort type) to prevent further prolapse and avoid more significant surgery like hysterectomy. the treatment is successful. what are the cpt® and icd-10-cm codes reported for this procedure?

What is the next step in muscle contraction after the actin changes shape? (apex)