Midterm Questions

Question 1

This system provides the force to move bones about their joints.

Answer 1

Muscular

Question 2

This system responds to environmental changes by transmitting electrical impulses

Answer 2

Nervous system

Question 3

This system provides a ridged framework to support the body and stores minerals

Answer 3

Skeletal system

Question 4

This system prevents water loss, entry of germs into the body and synthesizes vitamin D

Answer 4

Integumentary

Question 5

This system controls the body with chemical molecules called hormones (adrenal glands, pancreas, pituitary)

Answer 5

Endocrine

Question 6

This system delivers oxygen and nutrients to the tissues

Answer 6

Circulatory

Question 7

This system produces antibodies that attach to foreign substances

Answer 7

Immune

Question 8

This system removes and filters excess fluid from tissues

Answer 8

Lymphatic

Question 9

This system contains arteries, veins, heart.

Answer 9

Cardiovascular

Question 10

This system contains the trachea, bronchi, and alveoli

Answer 10

Respiratory

Question 11

This system contains the esophagus, large intestine, and rectum

Answer 11

Digestive

Question 12

This system contains the kidneys, bladder, and uterus

Answer 12

Urinary

Question 13

Histology would be best defined as a study of ________

Answer 13

Tissues

Question 14

A structure that is composed of two or more tissue types that work together to perform specific functions for the body is an ______

Answer 14

Organ

Question 15

The bridge of the nose is ________ to the left of the eye

Answer 15

Medial

Question 16

The upper arm is ____ to the forearm

Answer 16

Proximal

Question 17

The lungs are ______ to the heart

Answer 17

Lateral

Question 18

The fingers are ______ to the wrist

Answer 18

Distal

Question 19

The stomach is ____ to the spine

Answer 19

Anterior

Question 20

Which of the following organs or structures would be found in the left iliac region?

Appendix, stomach, liver, or intestines

Answer 20

Intestines

Question 21

The parietal pleura represents a serous membrane covering what?

Answer 21

Individual lungs

Question 22

In which body cavities are the lungs located?

Answer 22

Pleural, ventral, thoracic

Question 23

Covalent bonds always form between nonmetals and ______

Answer 23

Nonmetals

Question 24

An ionic bond occurs when one atom

A. Share an electron
B. Loses a proton
C. transfers an electron
D. Loses all of its electrons

Answer 24

C transfers an electron

Question 25

Which of the following is a function of a plasma membrane protein? A. Circulating antibody B. Molecular transport through the membrane C. Forms a lipid bilayer D. Oxygen transport

Answer 25

B. Molecular transport through the membrane

Question 26

Movement of a substance down its concentration gradient is what kind of membrane transport process?

Answer 26

Passive membrane transport process

Question 27

Does osmosis move water from low to high concentration or high to low?

Answer 27

Low to high

Question 28

What is the function of a plasma membrane protein?

Answer 28

Molecular transport through membrane

Question 29

Movement of a substance down its concentration gradient is what kind of membrane transport?

Answer 29

Passive

Question 30

What are the nonmembranous organelles that are the site of protein synthesis?

Answer 30

Ribosomes

Question 31

Is proteins synthesis in conjunction with ribosomes a function of Smooth or Rough ER?

Answer 31

Rough ER

Question 32

Lipid metabolism and cholesterol synthesis, steroid-based hormone synthesis, and breakdown of stored glycogen to form free glucose are the function of smooth or rough ER?

Answer 32

Smooth ER

Question 33

Peroxisomes ________ A. Are functionally the same as lysosomes B. Are able to detoxify substances by enzymatic action C. Function to digest particles interested by endocytosis D. Sometimes function as secretory vesicles

Answer 33

B. Are able to detoxify substances by enzymatic action

Question 34

Which of the following is NOT a function of lysosomes? A. Digesting particles taken in by endocytosis B. Degrading worn-out or nonfunctional organelles C. Help in formation of cell membranes D. Breaking down bone to release calcium ions into the blood

Answer 34

C. Help in formation of cell membranes

Question 35

True or false, it is the difference in the R group that makes amino acid chemically unique

Answer 35

True

Question 36

True or false, glycogen, the storage form of glucose, is primarily stored in skeletal muscle and liver cells

Answer 36

True

Question 37

A dipeptide can be broken into two amino acids by dehydration synthesis, true or false

Answer 37

False, hydrolysis

Question 38

True or false, when acids and bases are mixed, they react with each other to form water and a salt

Answer 38

True

Question 39

True or false, the more hydrogen ions in a solution, the more acidic the solution

Answer 39

True

Question 40

True or false, when the hydrogen ion concentration decreases, the hydroxyl ion concentration also decreases

Answer 40

False, hydroxyl ions increase

Question 41

True or false, the pH of blood is slightly basic

Answer 41

True

Question 42

What is a chain of more than 50 amino acids called?

Answer 42

Protein

Question 43

``` Carbohydrates and proteins are built up from their basic building blocks by the ______ A. Addition of a water molecule B. Addition of a carbon atom C. Removal of a water molecule D. Removal of a carbon atom ```

Answer 43

C. Removal of a water molecule