1) the following are structural components of the conducting system of the heart.
1. purkinje fibers
2. av bundle
3. av node
4. sa node
5. bundle branches
the sequence in which excitation would move through this system is
a) 1, 4, 3, 2, 5
b) 3, 2, 4, 5, 1
c) 3, 5, 4, 2, 1
d) 4, 3, 2, 5, 1
e) 4, 2, 3, 5, 1
2) sensible perspiration is produced by ________ glands.
a) ceruminous
b) apocrine sweat
c) merocrine sweat
d) sebaceous
e) mammary
3) fear can result in
a) increased stimulation of the cardioinhibitory center by higher brain centers.
b) increased stimulation of the cardioaccelerator center by higher brain centers.
c) decreased heart rate.
d) decreased blood pressure.
e) parasympathetic stimulation.
4)
figure 14-1 the circulation of cerebrospinal fluid
identify the structure labeled “7”
a) dura mater
b) lateral ventricle
c) fourth ventricle
d) subarachnoid space
e) filum terminale
5) which of the following are members of the hamstring group?
a) biceps femoris and rectus femoris
b) semimembranosus, semitendinosus, and gastrocnemius
c) biceps femoris, semitendinosus, and semimembranosus
d) adductor longus and adductor magnus
e) gluteus maximus and rectus femoris
6) cholecalciferol is synthesized within the
a) bone marrow of the skeletal system.
b) splenic pulp of the lymphatic system.
c) endothelial linings of the cardiovascular system.
d) hypothalamus of the nervous system.
e) epidermis of the integumentary system.
7) functions of the tongue include all of the following, except
a) mechanical processing of food.
b) manipulation of food.
c) sensory analysis of food.
d) aiding in speech.
e) partitioning the oropharynx from the nasopharynx.
8) the middle segment of the small intestine is the
a) ileum.
b) duodenum.
c) jejunum.
d) pylorus.
e) cecum.
9) which of the following movements is a good example of depression?
a) opening the mouth
b) turning the hand palm upward
c) extreme bending of the head backwards
d) moving the hand toward the shoulder
e) spreading the fingers
10) muscular force can be adjusted to match different loads by
a) varying the frequency of action potentials in motor neurons.
b) recruiting larger motor units.
c) recruiting more motor units.
d) involving more muscle fibers in the contraction.
e) all of the answers are correct.
11) the prostaglandins produced in the endometrium
a) initiate the release of oxytocin for parturition.
b) stimulate smooth muscle contractions.
c) initiate secretory activity in the mammary glands.
d) promote breast development.
e) all of the answers are correct.
12) the floor of the orbital complex is formed by the
a) maxilla.
b) ethmoid.
c) zygomatic.
d) sphenoid.
e) frontal.
13) which of the following is not an age-related change in the skeleton?
a) closure of the fontanels
b) bone remodeling
c) reduction in mineral content
d) appearance of major vertebral curves
e) fusion of the coxal bones
14) an infected wound contains typically contains
a) dead neutrophils.
b) cellular debris.
c) tissue fluids.
d) pus.
e) all of the answers are correct.
15) a cation that is essential for muscle contraction, nerve function, and blood clotting
is
a) sodium.
b) potassium.
c) calcium.
d) magnesium.
e) selenium.
16) the statement “it initiates contraction of urinary bladder smooth muscle” is
a) true only for the parasympathetic nervous system.
b) true only for the sympathetic nervous system.
c) true for both the parasympathetic and sympathetic nervous systems.
d) not true for either the parasympathetic or sympathetic nervous systems.
e) true only for the somatic nervous system.
17) the functional organization of the nervous system parallels that of the ________
system in many ways.
a) endocrine
b) cardiovascular
c) body
d) muscular
e) hepatic
18) severing the sensory fibers from the lungs would result in all of the following,
except
a) less inhibition of the inspiratory center during forced breathing.
b) a drop in tidal volume.
c) potential damage to the lungs due to overinflation.
d) a disappearance of the hering-breuer reflexes.
e) less stimulation of the expiratory center during forced breathing.
19) when is dna replicated?
a) interphase
b) anaphase
c) metaphase
d) telophase
e) interkinesis
20) a rib is an example of a ________ bone.
a) long
b) short
c) flat
d) sutural
e) sesamoid
21) a biology student accidentally loses the labels of two prepared slides she is
studying. one is a slide of an intestine, the other of an esophagus. you volunteer to help
her sort them out. how would you decide which slide is which?
22) the ________ is the bony chamber that protects and supports the brain.
23) the ________ division of the peripheral nervous system brings sensory information
to the central nervous system.
24) the ________ is the glycoprotein-rich region between the developing oocyte and the
granulosa cells.
25) the process of depositing calcium into a tissue is called ________.
26) the separation of positive and negative charges across the membrane creates a
________ difference, or voltage.
27) the appendicular skeleton includes the bones of the upper and lower extremities and
their supporting elements called ________.