Question 1

A patient is exposed to a radioisotope during a diagnostic procedure. If the radioisotope has a biological half-life of 6 hours, how much of the original radioisotope will remain in the body after 18 hours?

Accepted Answer

$\frac{1}{8}$ of the original amount

Question 2

Which of the following best describes the process by which sodium (Na) and chlorine (Cl) form table salt (NaCl)?

Accepted Answer

Sodium loses an electron and chlorine gains an electron, forming an ionic bond.

Question 3

A molecule of oxygen ($O_2$) is held together by a double covalent bond. How many pairs of electrons are shared between the two oxygen atoms?

Accepted Answer

Two pairs

Question 4

A patient presents with elevated carbon dioxide levels in the blood. Which homeostatic response is most likely to occur?

Accepted Answer

Increase in breathing rate to lower carbon dioxide levels

Question 5

Which of the following is NOT one of the four most common elements found in the human body?

Accepted Answer

Calcium

Question 6

A researcher is studying the tissue composition of the airways, air sacs, and blood vessels in the lungs. Which branch of anatomy is she most likely specializing in?

Accepted Answer

Histology

Question 7

Which directional term describes a structure that is farther from the midline of the body?

Accepted Answer

Lateral

Question 8

A molecule is formed when two or more atoms combine. Which of the following best represents the molecular formula for water?

Accepted Answer

$H_2O$

Question 9

Which of the following best describes the organization of structures in the human body?

Accepted Answer

Organs are made up of tissues, which are made up of cells, which are made up of organelles and molecules.

Question 10

A patient has a mutation that causes an excess of neutrons in certain atoms. What type of atom does this create?

Accepted Answer

An isotope

Question 11

Which of the following reactions is classified as catabolism?

Accepted Answer

The breakdown of glycogen into glucose molecules

Question 12

Which serous membrane layer directly covers the surface of an organ?

Accepted Answer

Visceral layer

Question 13

A patient is diagnosed with a disorder affecting the appendicular region. Which part of the body is most likely involved?

Accepted Answer

Limbs

Question 14

How many electrons can fit in each shell beyond the innermost shell of an atom?

Accepted Answer

Eight

Question 15

Which of the following best describes the order of components in a homeostatic control system?

Accepted Answer

Stimulus, receptor, control center, effector

Question 16

A patient is found to have a mutation in the gene responsible for hemopoiesis. Which body system is most likely affected?

Accepted Answer

Skeletal system

Question 17

Which anatomical term describes the wrist region?

Accepted Answer

Carpal

Question 18

Which of the following is the smallest structural unit that exhibits the characteristics of living things?

Accepted Answer

A cell

Question 19

If an element from the first column of the periodic table forms a covalent bond with an element from the sixth column, what type of bond is most likely formed?

Accepted Answer

Polar bond, with the element from the sixth column developing a partial negative charge

Question 20

How can the number of neutrons in an atom be determined?

Accepted Answer

Subtract the atomic number from the atomic mass

Quiz 1 (Chapters 1-2) Step-by-Step Study Guidance for ANP

Study Guide - Practice Questions

Study Guide - Flashcards