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
the study of large body structures, visible to the naked eye, such as the heart is called ______ anatomy
average body temperature is ______ degrees centigrade
the heart lies in the _____ cavity
D) superior mediastinal
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
D) organ system
the single most abundant chemical substance of the body, accounting for 60% to 80% of body weight, is ____
which term means toward or at the back of the body, behind?
which of the following elements is necessary for proper conduction of nervous impulses?
carbohydrates are stored in the liver and muscles in the form of ____
salts are always
A) ionic compounds
B) double covalent compounds
C) single covalent compounds
D) hydrogen bonded
which of the following would be regarde as an organic molecule?
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
the posterior knee area is called the _____
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
a red blood cell placed in pure water would _____
A) swell initially, then shrink as equilibrium is reached
B) swell and burst
D) neither shrink nor swell
swell and burst
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
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
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
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
which of the following is not found in the matrix of cartilage but is found in bone?
A) blood vessels
C) organic fibers
D) living cells
the simple columnar epithelium that form absorptive cells of the digestive tract have which characteristic?
B) a rich vascular supply
C) dense microvilli
the fiber type that gives connective tissure great tensile strength is _______
groups of cells that are similar in structure and perform a common or related function form an
D) organ system
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
the first step in tissue repair involves_______
A) replacement of destroyed tissue by the same kind of cells
B) formation of scar tissue
D) proliferation of fibrous connective tissue
similar cells have a common function are called ____
the hear is _____ to the arm
the _____cavity contains tiny bones that ransmit sound vibrations to the organ of hearing in the inner ear
middle ear cavity
_____ physiology concerns the urine production and kidney function
what is the single most abundant chemical substance in the body
____ have a bitter taste, feel slippery, and are proton acceptors.
the _____ molecule directly provides energy for cellular work
weak acids and bases make good ____
starch is the stored carbohydrate in plants, while _______ is the stored carbohydrate in animals
which metals have a toxic effect on the body?
water may move through membrane pores constructed by transmembrane proteins called
______ are hollow tubes made of spherical protein subunits called tubulins
aerobic cellular respiration occurs in the _____
The most common extracellular ion is ______
the process of discharging particles from inside a cell to the outside is called
cardiac muscle tissue is uninculeated, has intercalated discs, and is ______
the _____ muscle cells are multinucleated due to the fusion of myoblasts
all epithelial tissue rest upon a(n) ______ composed of connective tissue
what distinguishes cancer cells from the cells of benign neoplasms
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?
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
name at least two things you know about enzymes
proteins, lower activation energy
describe two important functions of the Golgi apparatus
packages and sorts proteins
why can we say that a cell without a nucleus will ultimately die?
nucleus is the control center
how is blood unique among connective tissue
a fluid unlike most solid connective tissues