Figure 3-2 The Plasma membrane
Which structure is water most likely to pass through?
A) 1
B) 2
C) 3
D) 4
E) 8
The plasma membrane of an axon is called the
A) axon terminal.
B) neurilemma.
C) myelin sheath.
D) sarcolemma.
E) axolemma.
The term ________ refers to the homeostatic process that allows us to maintain a
constant body temperature.
A) thermogenesis
B) thermodynamics
C) thermochemistry
D) thermoregulation
E) thermography
In bone, the calcium phosphate forms crystals of
A) osteoid matrix.
B) calcium carbonate.
C) hydroxyapatite.
D) calcitriol.
E) proteolytic enzymes.
The ________ tissues are connective tissues dominated by lymphocytes.
A) lymphatic
B) reticular connective
C) areolar connective
D) dense irregular connective
E) All of the answers are correct.
The muscle that elevates the larynx is the ________ muscle.
A) masseter
B) buccinator
C) platysma
D) sternocleidomastoid
E) stylohyoid
The vitreous body
A) fills the posterior chamber.
B) helps to stabilize the eye and holds the retina up against the eyewall.
C) is replaced at the rate of 20 percent per year until middle age.
D) circulates through the pupil.
E) holds the retina against the lens for proper refraction.
Imagine two rigid chambers separated by a rigid membrane that is freely permeable to
water but impermeable to glucose. Side 1 contains a 10 percent glucose solution and
side 2 contains pure water. At equilibrium, what will be the situation?
A) Water will continue to move from side 1 to side 2.
B) Water will continue to move from side 2 to side 1.
C) The volume of water will be greater in side 1.
D) The volume of water will be greater in side 2.
E) It is impossible to determine the answer.
Which problem is related to untreated diabetes mellitus?
A) damage to the retina
B) neuropathy
C) gastric ulcers
D) goiter
E) retinal problems and nerve problems
The term lymphadenopathy refers to
A) a congenital lack or malformation of lymph nodes.
B) a chronic or excessive enlargement of lymph nodes.
C) accumulations of lymph in the tissue space.
D) the lack of lymphocytes in peripheral circulation.
E) increased numbers of circulating lymphocytes.
The ________ is the difference between the resting and maximal cardiac output.
A) end-systolic volume
B) end-diastolic volume
C) cardiac reserve
D) stroke volume
E) ejection fraction
The “r” in rRNA stands for
A) regeneration.
B) recurrence.
C) rebuilding.
D) ribosomal.
E) radiation.