The start of each gene begins with a(n) ________ segment.
A) neocodon
B) intron
C) histone
D) promotor
E) boosting
Which area of the graph occurs when there is a sudden rush of sodium ions into the
neuron?
Figure 12-2 The Nerve Action Potential
A) 1
B) 2
C) 3
D) 4
The ________ represents the minimum resting energy expenditures of an awake, alert
individual.
A) basal metabolic rate
B) blood pressure
C) heart rate
D) heat loss quotient
E) All of the above
You have just become the nurse manager of a nursing home and you are reminding
yourself about what problems your nursing home population might have by studying
your old pathophysiology books from nursing school. Many of the residents are tired
and have problems with blood glucose levels. Which hormones might be related?
A) insulin
B) cortisol
C) GH
D) thyroid hormones
E) All of the answers are correct.
A mother has a lot of milk stored in the breast and mammary glands but cannot seem to
expel the milk for her newborn. Her doctor thinks that the cause may be
A) low levels of oxytocin.
B) high levels of HCG.
C) low levels of estrogen.
D) low levels of progesterone.
E) unresponsive smooth muscle around the mammary glands.
Figure 20-2 Cardiac Cycle
What occurs at the area labeled “C” on the graph?
A) AV valve opens.
B) AV valve closes.
C) Ventricular filling begins.
D) Semilunar valve closes.
E) Semilunar valve opens.
Changes in the immune system that accompany aging include all of the following
except
A) T cells becoming less responsive to antigens.
B) fewer cytotoxic T cells responding to infections.
C) decreased numbers of T helper cells.
D) more efficient secondary responses.
E) B cells are less responsive.
Melanin is produced by melanocytes within the stratum
A) corneum.
B) lucidum.
C) granulosum.
D) spinosum.
E) basale.
The link between peripheral receptor and cortical neuron is called a(n)
A) efferent pathway.
B) spinocortical line.
C) sympathetic chain.
D) adaptation pathway.
E) labeled line.
Which of the following descriptions best matches the term basilar membrane?
A) moves up and down due to currents in the perilymph
B) transmits movement of the tympanic membrane to the inner ear
C) supports the olfactory organ
D) tiny duct necessary for the static sense of equilibrium
E) covers over the oval window
A complex, interwoven network of nerves is called a
A) dermatome.
B) ramus.
C) plexus.
D) ganglion.
E) tracts.
Contractions of the skeletal muscles of the pelvic floor result in
A) erection.
B) emission.
C) ejaculation.
D) detumescence.
E) impotence.