The lipid(s) used as the basis of vitamin D, sex hormones, and bile salts is/are (a) triglycerides, (b) cholesterol, (c) phospholipids, (d) prostaglandin.

bond formed when electrons are shared between atoms

A deficiency in this element can be expected to reduce the hemoglobin content of blood: (a) Fe, (b) I, (c) F, (d) Ca (e) K.

The most numerous WBC is the (a) eosinophil, (b) neutrophil, (c) monocyte, (d) lymphocyte.

Anatomical terms that apply to the backside of the body in the anatomical position include a. ventral and anterior b. back and rear c. posterior and dorsal d. head and lateral

Which ventral cavity subdivision has no bony protection? (a) thoracic cavity, (b) abdominal cavity, (c) pelvic cavity.

In adults, over 90% of all cancers are either adenomas (adenocarcinomas) or carcinomas. In fact, cancers of the skin, lung, colon, breast, and prostate are all in these categories. Which one of the four basic tissue types gives rise to most cancers? Why do you think this is so?

Which of the following pairs would be incorrect according to the base-pairing rule?
a. in DNA: AT
b. in DNA: GC
c. in RNA: UT
d. in RNA: GC

Describe the transformation from the graph of $f(x)=\sqrt x$ to the graph of $h(x)=2\sqrt{x-1}+4$.

The graph of $h$ is a translation ______ unit(s) _______, then ______by a factor of ______, and last a translation ______ unit(s) ______ of the graph of $f$.

• up

• down

• left

• right

• vertical stretch

• vertical shrink

• horizontal stretch

• horizontal shrink

• 1/2

• 1

• 4

• 2

Which pathway best describes the control of glucocorticoids from the adrenal cortex:

a) hypothalamus (CRH) - posterior pituitary (ACTH) - adrenal cortex

b) anterior pituitary (CRH) - posterior pituitary (ACTH) - adrenal cortex

c) hypothalamus (CRH) - anterior pituitary (ACTH) - adrenal cortex

Anatomical terms that apply to the backside of the body in the anatomical position include a. ventral and anterior. b. back and rear. c. posterior and dorsal. d. head and lateral.

Find the determinant of the matrix.

$$\left[\begin{array}{ll} 2 & 1 \\ 3 & 4 \end{array}\right]$$

Important functions of water include which of the following? a. Provides cushioning, b. Acts as a transport medium, c. Participates in chemical reactions, d. Acts as a solvent for sugars, salts, and other solutes, e. Reduces temperature fluctuations.

Find the set of solutions for the given linear system. Note that some systems have only one equation.

$$\begin{array}{r} 3 x_{1}-2 x_{2}+x_{3}=4 \\ -6 x_{3}=-12 \end{array}$$