The coronary sinus drains the ________ into the ________.
A) coronary arteries; left ventricle
B) cardiac veins; right atrium
C) interventricular artery; left ventricle
D) right atrium; right ventricle
E) cardiac vein; right ventricle
The end of a muscle that is attached to the point that moves when the muscle contracts
is called the
A) origin.
B) aponeurosis.
C) insertion.
D) tendon.
E) lever.
The blood vessel that supplies blood to the brain from the anterior direction is the
________ artery.
A) basilar
B) middle cerebral
C) vertebral
D) internal carotid
E) All of the answers are correct.
The optic nerve crosses at the
A) decussation.
B) commissural fibers.
C) pons.
D) optic chiasm.
E) cerebral aqueduct.
A malignant neoplasm is often called a(n)
A) cancer.
B) tumor.
C) swelling.
D) infection.
E) All of the answers are correct.
The ________ is the bony chamber that protects and supports the brain.
A) skull
B) centrum
C) cranium
D) cephalum
E) cortex
A fracture that affects the malleolus on both lower leg bones is called a ________
fracture.
A) carpal
B) Pott’s
C) Colles
D) complex
E) double-split
Which part(s) of the neuron can propagate an action potential?
Figure 12-1 The Neuron
A) 1
B) 1 and 2
C) 2 and 3
D) 3
The sequence of processes that links the action potential to contraction is called
A) neuromuscular junction.
B) action potential propagation.
C) excitation-contraction coupling.
D) cross bridge formation.
E) sliding filament theory.
________ deafness occurs because of a problem in the cochlea or somewhere along the
auditory pathway.
A) Vibrational
B) Nerve
C) Conductive
D) Mechanical
E) Macular
Identify the structure labeled “2.”
A) vagina
B) uterine tube
C) clitoris
D) ureter
E) ovary
The hypothalamus is a key player in the endocrine system because
A) it controls the pituitary gland directly underneath it.
B) it communicates with all other endocrine organs of the body.
C) it produces enzymes that are involved in the production of hormones.
D) its autonomic controls also run all of the endocrine organs.
E) None of the answers is correct.
The center of an atom is called the
A) core.
B) hub.
C) middle point.
D) nucleus.
E) focus.
A 5-6-kg (11-13-lb) infant usually requires about ________ of milk per day.
A) 250 ml
B) 1.5 quarts
C) 100 ml
D) 850 ml
E) 1 cup
Maltose is hydrolyzed into monosaccharides by the enzyme
A) maltase.
B) dextrase.
C) lactase.
D) galactase.
E) sucrase.
During a primary immune response, the
A) IgM titer is initially higher than the IgG titer.
B) IgG titer is initially higher than the IgM titer.
C) IgM titer and the IgG titer rise in parallel.
D) only the IgM titer is affected.
A person lying face down is in the ________ position.
A) anatomical
B) prone
C) supine
D) ventral
E) prostrate
There is limited movement between the ribs and the sternum. Such joints are classified
structurally as
A) amphiarthroses.
B) symphyses.
C) diarthroses.
D) hemiarthroses.
E) synarthroses.