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Muscle fibers in skeletal muscle form bundles called
A) myofilaments.
B) Z lines.
C) myofibrils.
D) fascicles.
E) epimesium.
What is produced by the structure labeled "1"?
A) eggs
B) estrogen
C) progesterone
D) inhibin
E) All of the answers are correct.
Figure 26-1 The Structure of the Kidney
Identify the structure labeled "4."
A) renal pelvis
B) minor calyx
C) ureter
D) major calyx
E) renal column
Identify the structure labeled "4."
Figure 12-1 The Neuron
A) synaptic terminals
B) telodendria
C) dendritic spines
D) collateral branches
E) axons
Splanchnic nerves
A) originate from first-order neurons located in the upper five thoracic segments of the
spinal cord.
B) innervate the viscera or internal organs.
C) control sympathetic function of structures in the thorax.
D) connect chain ganglia.
E) are formed of parasympathetic fibers.
The surgical procedure in which the entire breast is removed is called a
A) lumpectomy.
B) biopsy.
C) ovarectomy.
D) orchidctomy.
E) total mastectomy.
Which of the following would you expect to see in increased numbers in a peripheral
blood sample after donating a unit of blood?
A) fibrocytes
B) platelets
C) reticulocytes
D) lymphocytes
E) neutrophils
In the condition known as ________, premature closure of all of the cranial sutures
results in restricted brain growth and an undersized head.
A) anencephaly
B) microcephaly
C) craniostenosis
D) membranitis
E) epicranial block
The atlantoaxial joint is an example of a ________ joint.
A) ball and socket
B) pivot
C) gliding
D) condyloid
E) saddle
Each of the following is an example of a synapse between neurons and effector cells
except the junction between a neuron and a(n)
A) skeletal muscle cell.
B) smooth muscle cell.
C) endocrine gland cell.
D) exocrine gland cell.
E) nerve cell.
_______ cells are all of the cells of the body except the reproductive cells (sperm and
oocytes).
A) Core
B) Somatic
C) Corpus
D) Main
E) Primary
Mammography, a procedure used for examining breast tissue, is based on
A) MRI.
B) CT.
C) PET.
D) X-rays.
E) nuclear scanning.
The ________ carry blood away from the heart.
A) arterioles
B) arteries
C) veins
D) venules
E) capillaries
The neural "wiring" of a single reflex is called a(n)
A) reflex arc.
B) ramus.
C) ganglion.
D) tract.
E) intershoot.
Blood is distributed from the surface of a bone to deeper central canals through
channels known as
A) perforating canals.
B) canaliculi.
C) interstitial canals.
D) concentric ducts.
E) concentric canals.
Figure 26-1 The Structure of the Kidney
Identify the structure labeled "3."
A) renal sinus
B) fibrous capsule
C) renal pyramid
D) renal papilla
E) renal column
What is produced by the structure labeled "2"?
Figure 14-1 The Circulation of Cerebrospinal Fluid
A) cerebrospinal fluid
B) neurotransmitters
C) white matter
D) hormones
E) red blood cells
The extraembryonic membrane that gives rise to the umbilical cord is the
A) yolk sac.
B) allantois.
C) amnion.
D) chorion.
E) decidua.
What type of tissue is replaced in the embryo during endochondral ossification?
A) connective tissue membranes
B) fibrocartilage
C) mesenchymal tissue
D) hyaline cartilage
E) Wharton's jelly
