1) one mole of any element
a) has the same mass.
b) has the same weight.
c) has the same number of atoms.
d) has the same number of electrons.
e) all of the answers are correct.
2) generally, cells with a very brief interphase and lacking a g0 phase
a) are stem cells.
b) do not exhibit cytokinesis.
c) have brief life spans.
d) are reproductive cells.
e) lack the enzyme dna polymerase.
3) spinal interneurons inhibit antagonist motor neurons in a process called
a) a crossed extensor reflex.
b) a stretch reflex.
c) a tendon reflex.
d) reciprocal inhibition.
e) reverberating circuits.
4) the ring-shaped cartilage just inferior to the thyroid cartilage is the ________
cartilage.
a) epiglottis
b) cuneiform
c) corniculate
d) cricoid
e) arytenoid
5) glands that secrete their product by the bursting of cells are
a) apocrine glands.
b) sudoriferous glands.
c) holocrine glands.
d) endocrine glands.
e) merocrine glands.
6) inadequate exposure to sunlight could result in decreased amounts of vitamin
________ in the body.
a) a
b) b12
c) c
d) d
e) e
7) fred has chronic emphysema. blood tests show that his ph is low but almost normal
but his bicarbonate levels are elevated significantly. how can this be? what would
urinalysis show?
8) the ________ separates the two atria.
9) a defense cell engulfing a bacterium illustrates
a) pinocytosis.
b) endocytosis.
c) exocytosis.
d) phagocytosis.
e) receptor-mediated endocytosis.
10) a patient on a ventilator subjected to excessive minute volume is at risk for
a) respiratory acidosis.
b) respiratory alkalosis.
c) metabolic acidosis.
d) metabolic alkalosis.
11) when pressure is applied to neural tissue, all these effects are possible, except
a) a decrease in blood flow.
b) a decrease in available oxygen.
c) action potentials are generated spontaneously.
d) glial cells degenerate.
e) neurons are triggered to divide.
12) a kinase is an enzyme that performs
a) phosphorylation.
b) as a membrane channel.
c) active transport.
d) protein synthesis.
e) as an antibody.
13) all of the following are innervated by the facial nerve (n vii), except for the
________ muscle.
a) risorius
b) orbicularis oculi
c) levator palpebrae superioris
d) mentalis
e) temporoparietalis
14) the condition in which distortions of the skull occur due to the premature closure of
fontanelles is called ________.
15) what role do buffer systems play in the human body?
16) the organic component of the matrix in developing or repairing bone is called
________.
17) the inferior portion of the nasal septum is formed by the ________.
18) what role does the sodium-potassium exchange pump play in stabilizing the resting
membrane potential?
19) mr. martin is suffering from a condition known as ventricular tachycardia, in which
his heart beats too quickly. would an alpha-blocker or a beta-blocker help alleviate his
problem? why?
20) peripheral cells that respond to a hormone are called ________.
21) during exercise, blood flow to skeletal muscles increases. the initial response that
increases blood flow is automatic and independent of the nervous and endocrine
systems. which type of homeostatic regulation is this? why?
22) what local reflexes control the gi tract?
23) an open or ________ fracture projects through the skin.