$$4.5 \times 1000 = 4500$$ grams

$$2500 \times \frac{1}{1000} = 2.5$$ grams

Question 1

Which of the following best describes the difference between anatomy and physiology?

Accepted Answer

Anatomy studies the structure of body parts, while physiology studies their function.

Question 2

Which subdivision of anatomy would involve studying the organization of the digestive system as a whole?

Accepted Answer

Systemic anatomy

Question 3

The structure of bone includes a hard matrix containing calcium and collagen. Which function does this structure best support?

Accepted Answer

Support and protection of organs

Question 4

Which of the following correctly lists the levels of biological organization from smallest to largest?

Accepted Answer

Cell, tissue, organ, organ system, organism

Question 5

In a homeostatic mechanism, which component receives information from the sensor and decides how to respond?

Accepted Answer

Control center

Question 6

Which of the following is an example of a positive feedback mechanism?

Accepted Answer

Blood clotting after an injury

Question 7

Which metric prefix represents $$10^{-3}$$ times the base unit?

Accepted Answer

Milli

Question 8

Convert 4.5 kilograms to grams using the appropriate conversion factor.

Accepted Answer

$$4.5 	imes 1000 = 4500$$ grams

Question 9

Which subatomic particle determines the identity of an element?

Accepted Answer

Proton

Question 10

An atom with 6 protons, 6 neutrons, and 6 electrons is:

Accepted Answer

Electrically neutral

Question 11

What is the atomic mass number of an atom with 8 protons and 10 neutrons?

Accepted Answer

$$8 + 10 = 18$$

Question 12

Which electron shell would fill first in an atom?

Accepted Answer

The shell closest to the nucleus

Question 13

What is the maximum number of electrons that can be held in the second electron shell?

Accepted Answer

8

Question 14

Which term describes the energy required to remove an electron from an atom?

Accepted Answer

Ionization energy

Question 15

A sodium atom has one valence electron. What is it most likely to do in a chemical reaction?

Accepted Answer

Give up its electron to achieve a full outer shell

Question 16

Which type of bond is responsible for holding water molecules together due to their polarity?

Accepted Answer

Hydrogen bond

Question 17

How many atoms are present in a molecule of $$C_6H_{12}O_6$?

Accepted Answer

24

Question 18

Which of the following reactions is exergonic and catabolic?

Accepted Answer

Cellular respiration

Question 19

A reaction that requires an input of energy and produces more complex molecules from simpler ones is:

Accepted Answer

Endergonic and anabolic

Question 20

Convert 2500 milligrams to grams using unit fractions. Which equation is correct?

Accepted Answer

$$2500 	imes \frac{1}{1000} = 2.5$$ grams

Foundations of Anatomy, Physiology, and Basic Chemistry for Biology

Guida di studio - Domande di pratica