1) as blood travels from arteries to veins,
a) viscosity of blood changes.
b) pressure increases.
c) diameter of the blood vessels gets progressively smaller.
d) pressure decreases.
e) flow becomes turbulent.
2) all of the following are true of muscle spindles, except that they
a) are found within skeletal muscle.
b) consist of specialized fibers called intrafusal fibers.
c) are found in tendons.
d) are the receptor for the stretch reflex.
e) are innervated by gamma motor neurons.
3) surgical removal of the stomach could cause
a) hemophilia.
b) pernicious anemia.
c) thrombocytopenia.
d) leukocytosis.
e) jaundice.
4) a full-thickness burn injury can be life threatening. a physician treating a burn victim
would likely order all of the following, except
a) iv (intravenous) fluids and electrolytes.
b) ice packs applied to the burn area.
c) a high-calorie diet.
d) skin grafts.
e) antibiotics.
5) upper motor neurons are located in the
a) precentral gyrus.
b) postcentral gyrus.
c) brain stem.
d) spinal cord.
e) precentral gyrus and the brain stem.
6) the exhaustion phase of the general adaptation syndrome (gas) is characterized by
a) failure of electrolyte balance.
b) increasing ability to produce glucose from glycogen.
c) increased pumping effectiveness of the heart.
d) a sharp increase in motivation and energy.
e) an increase in urine output.
7)
figure 10-1 skeletal muscle fiber
which structure contains the motor end plate?
a) 1
b) 2
c) 3
d) 5
e) 8
8) a sound with a frequency of 12,000 hertz would
a) be very loud.
b) be barely audible.
c) be high-pitched.
d) be low-pitched.
e) damage the tympanic membrane.
9) motor neurons whose cell bodies are within the spinal cord are called ________
neurons.
a) upper motor
b) lower motor
c) preganglionic
d) postganglionic
e) somesthetic
10) muscles that move the eyeball have
a) fast fibers.
b) slow fibers.
c) intermediate fibers.
d) circular fibers.
e) all of the answers are correct.
11) pacemaker cells isolated from the sa node generate action potentials at ________
beats per minute.
a) 2040
b) 4060
c) 80100
d) 100140
e) 140180
12) the neural tunic of the eye
a) contains ganglion cells.
b) contains the photoreceptor cells.
c) contains bipolar cells.
d) is the deepest layer of the eyeball.
e) all of the answers are correct.
13) the most significant skull growth occurs before the age of
a) 3.
b) 2.
c) 5.
d) 1.
e) 4.
14) the broad ligament attaches to all of the following organs, except the
a) ovaries.
b) uterine tubes.
c) uterus.
d) oviducts.
e) urinary bladder.
15) a visceral motor neuron whose cell body is within the cns is called a(n)________
neuron.
a) upper motor
b) lower motor
c) preganglionic
d) postganglionic
e) somatomotor
16) before the mrna transcribed from a gene can be used to translate into a protein, it
must be
a) edited to remove introns.
b) edited to remove exons.
c) transported into the cytoplasm.
d) edited to remove introns and transported into the cytoplasm.
e) coated with phospholipids for transport out of the nucleus.
17) which organ system transports nutrients, metabolic wastes, gases, and defense cells?
a) cardiovascular
b) digestive
c) muscular
d) respiratory
e) urinary
18) the axon is connected to the soma at the
a) telodendria.
b) synaptic terminal.
c) collaterals.
d) axon hillock.
e) synapse.
19)
figure 5-1 the components of the integumentary system
from what structure does sensible perspiration occur?
a) 6
b) 7
c) 8
d) 9
e) 10
20) moving air to and from exchange surfaces is termed ________.
21) a person lying face down is in the ________ position.
22) the loss of heat energy by vaporizing water is called ________.
23) a bruise turns “black and blue” because of ________ in the dermis.
24) ________ provide information about the external environment. (note: be sure to
capitalize the first letter of your answer).
25) ________ promotes water reabsorption at the kidneys and stimulates thirst.
26) in the endocrine system, the functional counterparts of neural reflexes are
________.
27) the beating of the cilia of the respiratory passages in the direction of the pharynx
forms a(n) ________.