1) blood vessels in the __________ provide a hair with its sole source of nutrition.
a. bulb
b. root
c. shaft
d. dermal papilla
e. medulla
2) which body region is controlled by the largest area of the motor cortex?
a. shoulder
b. fingers
c. toes
d. trunk
e. neck
3) a break in a bone that is already weakened by some other disease is called a(n)
__________ fracture.
a.greenstick
b.open
c.closed
d.pathologic
e.displaced
4) amylase is a digestive enzyme that breaks starches down into sugars through
__________ reactions.
a.hydrolysis
b.dehydration synthesis
c.anabolic
d.endergonic
5) when sodium channels are fully open, the membrane of the ventricular cardiocyte
_________.
a. sharply hyperpolarizes
b. sharply repolarizes
c. sharply depolarizes
d. plateaus
e. has no reponse
6) where is the greatest volume of blood found in the body?
a. pulmonary circuit
b. heart
c. arteries
d. veins
e. capillaries
7) which of the following is a product of glycolysis?
a. glucose
b. carbon dioxide
c. lactic acid
d. pyruvic acid
e. acetyl-coa
8) cerebrospinal fluid fills the space between the __________.
a. dural sheath and dura mater
b. dural sheath and vertebral bones
c. dura mater and arachnoid mater
d. arachnoid mater and pia mater
e. dura mater and pia mater
9) which of these brings nonspecific material into a cell?
a. phagocytosis
b. receptor-mediated endocytosis
c. transcytosis
d. pinocytosis
e. exocytosis
10) which fibers are primarily responsible for producing lactic acid?
a. type i slow oxidative fibers
b. type iia intermediate glycolytic fibers
c. type iib fast glycolytic fibers
d. type i slow-twitch fibers
e. red fibers
11) the breakdown of starch by digestive enzymes into glucose molecules is a(n)
__________ reaction.
a.synthesis
b.decomposition
c.exchange
d.anabolic
e.reduction
12) a rounded knob that articulates with another bone is called a(n)__________.
a. condyle
b. sulcus
c. alveolus
d. foramen
e. sinus
13) epidural anesthesia is introduced to the epidural space between the __________to
block pain signals during pregnancy.
a. dural sheath and dura mater
b. dural sheath and vertebral bones
c. dura mater and arachnoid mater
d. arachnoid mater and pia mater
e. dura mater and pia mater
14) which of the following is not contained in the buffy coat?
a. lymphocytes
b. granulocytes
c. erythrocytes
d. agranulocytes
e. platelets
15) the image of a typical chest x-ray shows a __________ view of the thoracic region.
a. sagittal
b. frontal
c. transverse
d. oblique
e. lateral
16) which of the following is a double-membraned organelle consisting of a matrix and
cristae?
a. mitochondrion
b. rough er
c. smooth er
d. golgi complex
e. nucleolus
17) any bony prominence is called a(n) ___________.
a. epicondyle
b. tubercle
c. fossa
d. head
e. process
18) which of the following is not a purpose of the excess postexercise oxygen
consumption (epoc) in muscle?
a. to neutralize carbon dioxide buildup
b. to replenish the phosphagen system
c. to oxidize lactic acid
d. to serve elevated metabolic rate
e. to restore resting levels of atp and cp
19) a neuron can receive thousands of epsps from different neurons, and responds by
triggering or not triggering an action potential. this addition and response to the net
effect of postsynaptic potentials is called __________.
a. temporal summation
b. neural summation
c. spatial summation
d. neuronal coding
e. recruitment
20) how is the basal metabolic rate (bmr) different from the total metabolic rate (tmr)?
a.the bmr includes the tmr.
b.the tmr includes the bmr.
c.the bmr is calculated when one is asleep.
d.the bmr includes energy expenditures for muscular contractions.