Nutrition Pretest

A1Q1, F14

_C__1. _ATOM___ : element = molecule: compound

a) substance

b) solution

c) atom

d) compound

e) chemical

_A__2. A midsaggital plane divides a body in the anatomical position

a) into L & R halves

b) into front & back halves

c) into top & bottom halves

d) into mirror images

_B__3. The human body is made up mostly of which of the following?

a) carbon, hydrogen, oxygen & nitrogen

b) water

c) carbohydrates, proteins, lipids & nucleic acids

d) macromolecules

_D_4. Anatomy: physiology = _Structure__ : function

a) composition

b) relationships to other structures

c) chemical nature

d) structure

_A__5. Homeostasis is NOT demonstrated by which of the following?

a) glucose levels rise & fall in blood; generally between 80-100 mg/mL

b) the heart beats faster and stronger when blood pressure falls suddenly

c) muscles "shiver" when a temperature drop is detected by the hypothalamus

d) hormones cause increasingly stronger uterine contractions causing birth to occur

e) the body becomes thirsty when loss of water due to sweat occurs

_A__6. The four levels of organization composing the living body are:

a) cells, tissues, organs, organ systems

b) epithelial, connective, muscular, nervous

c) carbohydrates, lipids, proteins, nucleic acids

d) water, carbon, hydrogen, oxygen

_C__7. Which of the following chemical and functional descriptions is correct for lipids?

a) phosphate-sugar backbone & nitrogen-containing bases in α helical double strands; genes

b) carbon, hydrogen & oxygen have a 1:2:1 ratio; structure & energy

c) insoluble in water; fatty acids saturated or unsaturated; structure, energy & hormone uses

d) organic amino acid polymers with 18% nitrogen; transportation, structures, enzymes, etc.

_A_8. The level of organization demonstrated by DNA is

a) macromolecule

b) organelle

c) cellular

d) tissue...