Anatomy Practice Exam Part 2

1.

1 point

What is NOT true of triglycerides?

Because they can only have 3 fatty acids molecules attached, they have a limited amount of storage

They provide protection and energy

Excess carbs, proteins, or fats will be deposited in adipose tissue as triglycerides

all of the above are true of triglycerides

2.

1 point

What factor does NOT influence diffusion rates?

temperature

diffusion distance

size of the diffusing substance

diffusion pressure

3.

1 point

What is true about cholesterol?

It is a type of lipid

It synthesizes proteins, like glycine or alanine

It has three rings of carbon atoms

It contains three fatty acid molecules

4.

1 point

What is the name of the tap for a pleural effusion?

thoracentesis

paracentesis

pleurocentesis

B + C

A + C

5.

1 point

The function of a buffer system is to

Make a less acidic solution more acidic

Make a more basic solution less basic

Make a more acidic solution less acidic

Make a less basic solution more basic

A + D

B + C

A + C

6.

1 point

A nucleotide consists of all of the following EXCEPT

a phosphate group

an enzyme

a sugar

a nitrogenous base

7.

1 point

Catalysts in living cells are called

saccharides

amino acids

nucleotides

none of the above

8.

1 point

A lipid with a polar head and nonpolar tails is called what?

Triglyceride

Steroid

Phospholipid

Glycerol

9.

1 point

When glucose bonds with fructose, what disaccaride is formed?

maltose

lactose

sucrase

none of the above

10.

1 point

When a protein loses its three-dimensional shape, it is said to have undergone

catabolism

reorientation

denaturation

none of the above

11.

1 point

What is NOT true of the hormone glucagon?

It is released from the pancreas into the bloodstream

all of the above are true for glucagon

It breaks down into glucose monomers to be used for energy

It travels to the liver to interact with glycogen

12.

1 point

What is NOT true about the lipid bilayer?

The lipid bilayer is the framework of the plasma membrane

It is amphipathic, having both polar and nonpolar components

The polar heads are oriented away from each other, while the nonpolar tails are oriented toward each other

The polar heads are uncharged, while the nonpolar tails are charged

13.

1 point

Which of the following is NOT an example of an enzyme?

Protease

Lipase

Lactase

acetylcholinesterase

all of the above are enzymes

14.

1 point

In this type of solution, red blood cells undergo hemolysis

isotonic solution

hypotonic solution

hypertonic solution

crenatic solution

15.

1 point

When an atom has a different number of neutrons than normal, it is called a/an

ion

molecule

isotope

none of the above

16.

1 point

Carbohydrates contain all of the following elements EXCEPT

Hydrogen

Oxygen

Nitrogen

Carbon

17.

1 point

The study of the cell's structure is a good definition of which of the following?

cytology

biology

cellular physiology

cytocracy

18.

1 point

Which of the following particles is NOT found within the nucleus of an atom?

Proton

Neutron

Electron

All of the above are found within the nucleus of an atom

19.

1 point

A sodium-potassium pump is an example of what type of process

active transport

facilitated diffusion

osmosis

vesicular transport

20.

1 point

There are __ different amino acids, and __ are essential to the human body

21, 7

23, 6

26, 10

20, 9

21.

1 point

Which of the following is one category of a biologically important organic compound?

Proteins

Catalysts

Hydrolysis

Amines

22.

1 point

Some molecules can pass through the plasma membrane while others cannot. Because of this plasma membranes are said to be

selectively permeable

an active transport

carrier-mediated

an electrical gradient

23.

1 point

What two types of transporters are used in facilitated diffusion?

channel-mediated, concentration-mediated

electrical-mediated, glucose-carriers

glucose-carriers, carrier-mediated

channel-mediated, carrier-mediated

24.

1 point

What is NOT a passive process?

osmosis

bulk flow

facilitated diffusion

all of the above are passive processes

25.

1 point

The movement that results in a decrease in the angle between articulating bones is known as what?

Extension

Depression

Abduction

none of the above

26.

1 point

The molecular formula C6-H12-O6 is commonly referred to as what?

maltose

lactose

glucose

glucagon

27.

1 point

What movement is specific to the foot?

none of the above

Opposition

Dorsiflexion

Protraction

28.

1 point

In this type of solution, the red blood cells undergo crenation

hypotonic solution

isotonic solution

hypertonic solution

hemolic solution

29.

1 point

What is NOT true of cellulose?

It is a polysaccharide found in the cell wall of plants

It is made of phospholipids

It provides fiber that helps move feces through the digestive tract

It is bonded together with hydrogen bonds

30.

1 point

A cation

is a negatively charged ion that has picked up one or more electrons

is an electron donor

is exemplified by the element K

A + B

B + C

all of the above

31.

1 point

The pH scale ranges between these two numbers, with the lower half describing ___ and the upper half describing ___

0-14, bases, acids

-7 to +7, bases, acids

-7 to +7, acids, bases

0-14, acids, bases

32.

1 point

What process does NOT require energy?

active transport

vesicular transport

bulk flow

all of the above require energy

33.

1 point

What is true of unsaturated fats?

They have no double bonds

They do not have bends or kinks

They are liquids at room temperature

none of the above

34.

1 point

In a nonpolar covalent bond,

the sharing of electrons between atoms is unequal

a partial positive charge attracts a partial negative charge

the molecules link with neighboring molecules, creating a very high surface tension

A + B

none of the above

35.

1 point

Which of the following is not a main function category of membrane proteins?

Effectors

Linkers

Receptors

Transporters

36.

1 point

Which of the following is NOT the chemical symbol for one of the four major elements found in the human body?

H

C

K

O

N

37.

1 point

All of the following are examples of nonpolar, hydrophobic molecules EXCEPT

ammonia

respiratory gases

certain lipids

all of the above are nonpolar, hydrophobic molecules

38.

1 point

What polysaccaride is formed by the bonding of glucose monomers in a branched-like shape?

glycogen

starch

cellulose

glucagon

39.

1 point

What is NOT true about DNA?

It regulates most of the activities that take place in our cells

Changes in DNA can lead to unique properties in proteins

It includes the template by which proteins are formed

There are different types of DNA, and these play a significant role in protein synthesis

40.

1 point

When ATP is catabolized, what are the products of the reaction?

ADP

P + energy

ADP + P + energy

ADP + P

41.

1 point

An atom is said to be positively charged if

It has fewer electrons than neutrons

It has more protons than neutrons

It has fewer electrons than protons

It has more electrons than neutrons

42.

1 point

What is NOT true about endocytosis?

The material ends up inside the cell

A material is moved into a cell via a vesicle formed when the plasma membrane invaginates and pinches off

The ingestion of extracellular fluid is known as bulk-phase endocytosis

A membrane-enclosed structed inside the cell fuses with the plasma membrane and is released into the extracellular fluid

43.

1 point

What element is not found in a protein?

C

N

S

K

44.

1 point

The general name of an accumulation of fluid within a body cavity is what?

tamponade

potential space

effusion

ascites

45.

1 point

When a bond is broken and energy is released, it is said to have undergone

an endergonic reaction

an exergonic reaction

a catabolic reaction

A + C

B + C

46.

1 point

The cell can be divided into all of the following principal parts EXCEPT

Cell membrane

Lipid bilayer

Nucleus

Cytoplasm

47.

1 point

Which of the following is NOT true of organic compounds?

covalent bonds

lack carbon

contain hydrogen

all of the above describe organic compounds

48.

1 point

What is NOT true of a protein?

It regulates processes in the body

It gives structure to the body

It provides cellular energy

It helps muscles to contract

49.

1 point

The specific name for the effusion found within the peritoneal cavity?

pleural effusion

pericardiocentesis

ascites

none of the above

50.

1 point

What is NOT true about osmosis?

Water molecules penetrate the membrane by diffusion through the lipid bilayer

It occurs only when the membrane is permeable to water but impermeable to certain solutes

The greater the solute concentration, the greater the osmotic pull that solute has on water

It is the net movement of a solute through a selectively permeable membrane, like the movement of water ( the solute) across the membrane