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When is the neuron in the refractory period?
Figure 12-2 The Nerve Action Potential
A) 1
B) 2
C) 3
D) 4
The ________ of the lungs is an indication of their expandability, how easily the lungs
expand and contract.
A) compliance
B) ventilation
C) volume
D) intrapulmonary pressure
E) cellular respiration
Cells that secrete protein fibers in bone are called
A) osteolytic cells.
B) osteoclasts.
C) osteoblasts.
D) osteocytes.
E) osteogenic cells.
Figure 20-1 The Heart
Identify the structure(s) labeled "8."
A) moderator band
B) pectinate muscles
C) papillary muscles
D) trabeculae carneae
E) chordae tendineae
Identify the structure that is called the pinna or auricle.
A) 1
B) 5
C) 6
D) 8
E) 9
Which of the following is/are not located outside the carpal tunnel?
A) median nerve
B) tendons
C) lunate bone
D) scaphoid bone
E) pisiform bone
The common term for the carpal region is the
A) wrist.
B) fingers.
C) ankle.
D) shin.
E) chest.
Which type of membrane channels are found at label "3"?
Figure 12-1 The Neuron
A) voltage-gated Na+ channels
B) voltage-gated K+ channels
C) chemically-gated Na+ and K+ channels
D) voltage-gated Ca2+ channels
E) both voltage-gated Na+ channels and voltage-gated K+ channels
Figure 23-2 Mechanics of Ventilation
What pressure will be present in the space labeled "4"?
A) alveolar pressure
B) interpleural pressure
C) subalveolar pressure
D) intrapleural pressure
E) atmospheric pressure
The ________ of a cell membrane indicates how easy it is for substances to cross.
A) thickness
B) pliability
C) density
D) permeability
E) charge
Identify the structure labeled "10."
A) fornix
B) cervical canal
C) ampulla
D) areola
E) cervix
The blood vessels that carry deoxygenated blood to the placenta are the
A) umbilical veins.
B) iliac veins.
C) umbilical arteries.
D) uterine veins.
E) uterine arteries.
Match the gastric phase on the left (1-3) with the correct description on the right (4-6):
A) 1 and 4; 2 and 5; 3 and 6
B) 1 and 6; 2 and 4; 3 and 5
C) 1 and 5; 2 and 4; 3 and 6
D) 1 and 6; 2 and 5; 3 and 4
E) 1 and 5; 2 and 6; 3 and 4
During the process of ________, an existing tissue is replaced by bone.
A) phosphorylation
B) resorption
C) ossification
D) osteopropagation
E) remodeling
Electrons whirl around the center of the atom at high speed, forming a(n)
A) spiral.
B) figure 8.
C) cylinder.
D) electron cloud.
E) helix.
