Module 3 Lecture Exam Questions

Question 1

The substance that moves most rapidly through the cell membrane is:

Answer 1

water

Question 2

Which of the following statements is NOT true of mitosis?

Answer 2

it occurs at the same rate in all cells

Question 3

The stage of mitosis during which the chromosomes line up across the spindle is called:

Answer 3

metaphase

Question 4

In the anatomical position, the palms of the hands are facing the posterior.

Answer 4

false (anterior)

Question 5

The term proximal means “away from the point of origin”.

Answer 5

false (toward point of origin)

Question 6

Anabolism produces:

Answer 6

more complex materials needed for bodily functions (opposite of catabolism)

Question 7

In the anatomical position, your big toes are inferior to your knees and ventral to your ankles.

Answer 7

true

Question 8

Using the description of anatomical structures as described in your course materials, the esophagus would be most appropriately be classified as which of the following?

Answer 8

organ

Question 9

The existence and maintenance of relatively stable conditions inside the body despite the influence of dynamic and unpredictable internal and external environments is called.

Answer 9

homeostasis

Question 10

Sweat glands and fingernails are part of which of the following organ systems of the body?

Answer 10

integumentary system

Question 11

Epithelium that is arranged in many layers is described as “Simple”.

Answer 11

false

Question 12

Endocrine glands produce:

Answer 12

hormones

Question 13

Specialized cells that function to secrete products either onto a body surface, or into the blood either directly or via a duct.

Answer 13

glands

Question 14

The supportive cells in the nervous system are collectively known as:

Answer 14

neuroglia

Question 15

Cells involved in the healing of the epidermis are produced by cell division occurring in which ONE of the following epidermal strata?

Answer 15

stratum basale

Question 16

A precursor form of which ONE of the following vitamins is produced in the skin?

Answer 16

vitamin D

Question 17

Deep wound healing takes place when the dermis has been penetrated.

Answer 17

true

Question 18

What is the skin protection that absorbs ultraviolet radiation to protect deeper tissue from damage?

Answer 18

melanin

Question 19

The stratum lucidum is only found in the hairless, thick skin of the fingertips, palms and soles of the feet.

Answer 19

true

Question 20

A modified apocrine sweat gland that produces wax is the __________.

Answer 20

ceruminous gland

Question 21

A positively charged ion is an “anion”.

Answer 21

false

Question 22

What is a mixture that contains larger particles that are heterogeneous and appear translucent or cloudy?

Answer 22

colloid

Question 23

Which of the following statements is NOT true of enzymes?
A. Their names usually end in the suffix -ase.
B. Their shape is important in reactions.
C. They are used up in reactions.
D. They sometimes need cofactors.

Answer 23

C. they are used up in reactions

Question 24

Which of the following is NOT a common chemical element in the body?
A. Hydrogen
B. Carbon
C. Oxygen
D. Copper

Answer 24

copper

Question 25

Which of the following is NOT an organic compound? A. Fat B. Water C. Glycerol D. Carbohydrates

Answer 25

water

Question 26

A chemical bond formed by the swapping of electrons is described as a (an):

Answer 26

ionic bond (covalent is sharing)

Question 27

Which of the following is NOT a compound? A. Water B. Table salt C. Phosphorus D. Hydrochloric acid

Answer 27

phosphorus

Question 28

All the matter in the universe is composed of one or more fundamental substances known as:

Answer 28

elements

Question 29

The molecular mass of a molecule consists of:

Answer 29

the sum of the atomic mass of its atoms

Question 30

All the following are monosaccharides except: A. Fructose B. Sucrose C. Galactose D. Glucose

Answer 30

sucrose (disaccharide)

Question 31

Ions are atoms that contain an uneven number of protons and electrons which results in an overall positive or negative charge.

Answer 31

true

Question 32

Which of the following is NOT true? A. Electronegativity is the ability of an atom to attract electrons to itself B. The more electronegative an atom is, the more strongly it can attract electrons C. Fluorine is far more electronegative than hydrogen. D. Oxygen (O2) is very electronegative, and it is polar.

Answer 32

Oxygen (O2) is very electronegative, and it is polar

Question 33

Exergonic reactions ………. energy.

Answer 33

release

Question 34

When the reactants of a chemical reaction have more energy than the products, they have undergone an ……….. reaction.

Answer 34

exergonic

Question 35

“Decomposition of two substances and, in exchange, synthesis of two new compounds from them”.

Answer 35

exchange reaction

Question 36

The rate of a chemical reaction can be determined by:

Answer 36

concentration of reactions AND products

Question 37

What is also known as “proton donors”?

Answer 37

acids

Question 38

Which of the following best describes the main structural difference between triglycerides and phospholipids?

Answer 38

triglycerides contain three fatty acid groups, but phospholipids have two fatty acid groups and one phosphate molecule

Question 39

Which of the following statements is NOT true of skeletal muscle? A. The cells are long and thread-like. B. It is normally under conscious control. C. It is involuntary. D. It is described as straited.

Answer 39

it is involuntary

Question 40

What is the longest muscle in the body, travels obliquely across the front of the thigh?

Answer 40

sartorius

Question 41

The flexor carpi and extensor carpi muscles move the foot.

Answer 41

false (hands)

Question 42

All of the following are muscles of mastication except: A. Masseter B. Temporalis C. Medial pterygoid D. Extensor digiti minimi

Answer 42

extensor digiti minimi

Question 43

The obicularis oris is a circular muscle that surrounds the oral opening and is responsible for closing and pursing the lips.

Answer 43

true

Question 44

The biceps femoris, semitendinosus, and semimembranosus mucles are part of the:

Answer 44

hamstring muscles

Question 45

What muscles rotate the head?

Answer 45

sternocleidomastoid

Question 46

The latissimus dorsi muscles are used when?

Answer 46

rowing

Question 47

Which of the following types of muscle tissue is found within your digestive system and used to move food through your esophagus, stomach, and intestines?

Answer 47

smooth

Question 48

Muscles are made of bundles of fibers. Which is the correct order from SMALLEST to LARGEST in this organizational structure of muscle?

Answer 48

myofibril, muscle fiber, fascicle, muscle

Question 49

Which two structures engage to create muscle contraction?

Answer 49

actin and myosin

Question 50

Henry is getting ready to kick a field goal. When his thigh muscle contracts to straighten his knee right before the kick, this is known as …………….. contractions?

Answer 50

concentric

Question 51

Muscles that work in opposition to the prime mover are known as:

Answer 51

antagonist

Question 52

Where is the temporalis muscle located?

Answer 52

on the side of the head

Question 53

Which of the following terms would be used in the name of a muscle that moves the leg away from the body?

Answer 53

abductor

Question 54

In the female, the pelvic floor is pierced by two openings.

Answer 54

false

Question 55

Which of the following is NOT one of the rotator cuff muscles? A. Supraspinatus B. Infraspinatus D. Subscapularis C. Teres major

Answer 55

teres major

Question 56

Anatomists refer to the lower arm as the arm or the brachium.

Answer 56

false

Question 57

A group of four strong muscles, located on the anterior surface of the thigh is called:

Answer 57

quadriceps

Question 58

Which of the following is NOT a muscle of the abdomen? A. Iliopsoas B. Internal oblique C. Rectus abdominis D. External oblique

Answer 58

iliopsoas