A&P final part 2 Flashcards


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1

which of the following describes the operation of the heart and blood vessels?
A) sustemic physiology
B) cardiovascular physiology
C) cardiovascular anatomy
D) systemic anatomy

cardiovascular physiology

2

the study of large body structures, visible to the naked eye, such as the heart is called ______ anatomy
A) microscopic
B) gross
C) systemic
D) developmental

gross

3

average body temperature is ______ degrees centigrade
A) 98
B) 37
C) 68
D) 47

37

4

the heart lies in the _____ cavity
A) dorsal
B) pericardial
C) pleural
D) superior mediastinal

pericardial

5

a structure that is composed of two or more tissue types that work together to perform specific functions for the body is a ______
A) complex cell
B) complex tissue
C) organ
D) organ system

organ

6

the single most abundant chemical substance of the body, accounting for 60% to 80% of body weight, is ____
A) oxygen
B) water
C) protein
D) hydrogen

water

7

which term means toward or at the back of the body, behind?
A) distal
B) dorsal
C) lateral
D) anterior

dorsal

8

which of the following elements is necessary for proper conduction of nervous impulses?
A) P
B) Na
C) Fe
D) I

Na

9

carbohydrates are stored in the liver and muscles in the form of ____
A) cholesterol
B) glycogen
C) glucose
D) triglycerides

glycogen

10

salts are always
A) ionic compounds
B) double covalent compounds
C) single covalent compounds
D) hydrogen bonded

ionic compounds

11

which of the following would be regarde as an organic molecule?
A) CH4
B) H2O
C) NaOH
D) NaCl

CH4

12

which of the following does not describe uses for the ATP molecule?
A) transport across membranes
B) chemical work
C) pigment structure
D) mechanical work

pigment structure

13

the posterior knee area is called the _____
A) crural
B) popliteal
C) antecubital
D) sural

popliteal

14

which of the following is false regarded the membrane potential?
A) in their resting state, all body cells exhibit a resting membrane potential
B) the resting membrane potential occurs due to active transport of ions across the membrane due to the sodium-potassium pump
C) the resting membrane potential is maintained by solely by passive trasport processes
D) the resting membrane potential is determined mainly by the concentration gradients and differential permeability of the plasma membrane to K+ and Na+ ions

the resting membrane potential is maintained solely by passive transport processes

15

a red blood cell placed in pure water would _____
A) swell initially, then shrink as equilibrium is reached
B) swell and burst
C) shrink
D) neither shrink nor swell

swell and burst

16

which of the following describes the plasma membrane?
A) a single-layered membrane that surrounds the nucleus of the cell
B) a membrane composed of tiny shelves or cristae
C) a phospholipid bilayer surrounding the cell
D) a double layer of protein enclosing the plasma

a phospholipid bilayer surrounding the cell

17

passive membrane transport processes include
A) movement of a substance down its concentration gradient
B) the use of transport proteins when moving substances from areas of low to high concentration
C) consumption of ATP
D) movement of water form an area of high solute concentration to an area of low concentration

movement of a substance down its concentration gradient

18

mitochondria_____
A) contain some of the DNA and RNA code necessary for their own function
B) are always the same shape
C) are single membrane structures involved in the breakdown of ATP
D) synthesize proteins for use outside the cell

contain some of the DNA and RNA code necessary for their own function

19

An oblique cut is one that is cut ____
A) diagonally between vertical and horizontal planes
B) horizontally superior and ingerior
C) vertically right and left
D) perpendicular to vertical and horizontal planes

diagonally between vertical and horizontal planes

20

which of the following is not found in the matrix of cartilage but is found in bone?
A) blood vessels
B) lacunae
C) organic fibers
D) living cells

blood vessels

21

the simple columnar epithelium that form absorptive cells of the digestive tract have which characteristic?
A) fibroblasts
B) a rich vascular supply
C) dense microvilli
D) cilia

dense microvilli

22

the fiber type that gives connective tissure great tensile strength is _______
A) reticular
B) collagen
C) muscle
D) elastic

collagen

23

groups of cells that are similar in structure and perform a common or related function form an
A) organism
B) organ
C) tissue
D) organ system

organ system

24

which is true concerning muscle tissue
A) is a single-celled tissue
B) cuboidal shape enhances function
C) contains contractile units made of collagen
D) highly cellular and well vascularized

highly cellular and well vascularized

25

the first step in tissue repair involves_______
A) replacement of destroyed tissue by the same kind of cells
B) formation of scar tissue
C) inflammation
D) proliferation of fibrous connective tissue

inflammation

26

similar cells have a common function are called ____

tissues

27

the hear is _____ to the arm

medial

28

the _____cavity contains tiny bones that ransmit sound vibrations to the organ of hearing in the inner ear

middle ear cavity

29

_____ physiology concerns the urine production and kidney function

renal

30

what is the single most abundant chemical substance in the body

water

31

____ have a bitter taste, feel slippery, and are proton acceptors.

bases

32

the _____ molecule directly provides energy for cellular work

ATP

33

weak acids and bases make good ____

buffers

34

starch is the stored carbohydrate in plants, while _______ is the stored carbohydrate in animals

glycogen

35

which metals have a toxic effect on the body?

heavy

36

water may move through membrane pores constructed by transmembrane proteins called

aquaporins

37

______ are hollow tubes made of spherical protein subunits called tubulins

microtubules

38

aerobic cellular respiration occurs in the _____

mitochondria

39

The most common extracellular ion is ______

sodium

40

the process of discharging particles from inside a cell to the outside is called

exocytosis

41

cardiac muscle tissue is uninculeated, has intercalated discs, and is ______

branched

42

the _____ muscle cells are multinucleated due to the fusion of myoblasts

skeletal

43

all epithelial tissue rest upon a(n) ______ composed of connective tissue

basement membrane

44

what distinguishes cancer cells from the cells of benign neoplasms

metastasis

45

macrophage-like cells are found in many different tissues, and may have specific names that reflect their location or specializations. What is the one functional characteristic common to all macrophage-like cells?

phagocytosis

46

what can happen when the usual negative feedback mechanisms are overwhelmed and destructive positive feedback mechanisms take over?

doesn't stop once homeostasis is reached

47

name at least two things you know about enzymes

proteins, lower activation energy

48

describe two important functions of the Golgi apparatus

packages and sorts proteins

49

why can we say that a cell without a nucleus will ultimately die?

nucleus is the control center

50

how is blood unique among connective tissue

a fluid unlike most solid connective tissues