The release of chemicals from an endocrine or exocrine gland is referred to as ________.

A) absorption
B) diffusion
C) filtration
D) secretion

Which of the following radioactive isotopes are used to detect whether or not an individual has a healthy thyroid?

A) I¹³¹
B) C¹⁴
C) glucose
D) H₂
E) All of the answer choices can be used.

A major limitation of radiographs is that they

A) can only visualize bone.
B) give only a flat, two-dimensional image of the body.
C) are old technology that do not give good results.
D) have very few applications.

All of the following are parts of the small intestine EXCEPT ________.

A) jejunum
B) cecum
C) duodenum
D) ileum

Plasmodium

A) excavates
B) stramenopiles
C) alveolates
D) rhizarians
E) archaeplastidae
F) amoebozoans
G) choanoflagellates

Four of the five answers are traits that Homo sapiens had compared to earlier species. Select the exception.

A) smaller teeth and facial bones
B) a more prominent chin
C) a higher and rounder skull
D) flatter face
E) shorter body form