Biology 152

subject Type Homework Help
subject Pages 4
subject Words 609
subject Authors Edwin F. Bartholomew, Frederic H. Martini, Judi L. Nath

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1)
figure 12-1 the neuron
the structure labeled "2" is a
a) soma.
b) dendrite.
c) initial segment.
d) perikaryon.
e) axon.
2) the postganglionic fibers that connect an autonomic ganglion in the thoracic or
lumbar region with the spinal nerve and contain postganglionic fibers that innervate
glands in the body wall or limbs are
a) white rami communicantes.
b) gray rami communicantes.
c) dorsal ramus.
d) ventral ramus.
e) dermatomes.
3) which of the following is a recognized function of skeletal muscle?
a) produce movement
b) maintain posture
c) maintain body temperature
d) guard body entrances and exits
e) all of the answers are correct.
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4) the functions of the oral cavity include all of the following, except
a) analysis of material before swallowing.
b) mechanical processing of food.
c) lubrication.
d) absorption of monosaccharides.
e) digestion of carbohydrates.
5) most of the atp required to power cellular operations is produced in the
a) cytoplasm.
b) endoplasmic reticulum.
c) nucleus.
d) mitochondria.
e) cilia.
6) the three types of protein fibers in connective tissue are
a) tendons, ligaments, and elastic ligaments.
b) loose, dense, and irregular.
c) cartilage, bone, and collagen.
d) collagen, reticular, and elastic.
e) polar, cellular, and permeable.
7) which of the following statements is true?
the stimulation of beta-adrenergic receptors can lead to
1. an increase in metabolic activity.
2. stimulation of airway smooth muscle.
3. the breakdown of triglycerides within adipocytes.
a) 1
b) 2
c) 3
d) 1 and 3
e) 1, 2, and 3
8) the joint between the trapezium and metacarpal bone of the thumb is an example of
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a(n) ________ joint.
a) saddle
b) gliding
c) condylar
d) hinge
e) pivot
9) a t4 assay is used to
a) determine the number of calories in food.
b) directly measure the basal metabolic rate.
c) obtain an index of metabolic activity.
d) monitor the energy efficiency of metabolism.
e) determine the amount of oxygen consumed during metabolism.
10) the external acoustic meatus ends at
a) the tympanic membrane.
b) the auditory ossicles.
c) the cochlea.
d) the pinna.
e) the vestibule.
11) a calcified skeletal muscle is an example of ________.
12) a(n) ________ is a mutant of a regulatory gene that causes cancer.
13) the blood vessels that carry deoxygenated blood to the placenta are the ________.
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14) the sensory loss and muscle weakness associated with multiple sclerosis are a
consequence of ________.
15) in a convergent muscle, fascicles converge on a common attachment site that may
be a slender band of collagen fibers known as a ________.
16) cells that free calcium from bone to maintain blood calcium levels are called
________.
17) the direct interconnection of two arteries is called an arterial ________.
18) ________ subdivide synovial cavities, channel the flow of synovial fluid, and allow
for variations in the shapes of the articular surfaces. (note: be sure to capitalize the first
letter of your answer).
19) olfactory organs are located in the nasal cavity inferior to the perforated bony
structure known as the ________.

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