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Anatomy

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The sarcoplasmic reticulum releases __________ when the muscle fiber is stimulated to contract.calcium ionsacetylcholinesodium ionsATP
Assign each muscle to its corresponding pattern of fascicle arrangement.Rectus femorisPectoralis majorOrbicularis orisBiceps brachiiSartoriusCircularParallelFusiformPennateConvergent
the biceps brachii is located on the ___ arm
An important site for intramuscular injections in the hip is the __________.ANSWERgluteus mediusgluteus maximusgluteus minimusvastus lateralis
Select the anterior abdominal muscle.External obliqueLatissimus dorsiRectus femorisBiceps brachii
Which of the following is a chewing muscle?ANSWEROrbicularis orisMasseterPlatysmaZygomaticus
Which special movement turns the sole of the foot medially?Plantar flexionInversionEversionDorsiflexion
The ____ is a hamstring group muscle on the posterior thigh that extends the thigh and flexes the leg.
In a skeletal muscle fiber, the sarcomere is a repetitive unit that consists of the entire region between the __________.ANSWERZ discsH zonesdark (A) bandslight (I) bands
The inability to sleep is often caused by the lack of the pineal gland to secrete:
The diagnostic term for a chronic disease caused by underactivity of the pancreatic beta cells in the Islets of Langerhans is:
The condition resulting in muscle spasms due to an abnormally low concentration of calcium in the blood is:
What substance is released from the axon terminal into the synaptic cleft at the neuromuscular junction?Calcium ionsSodium ionsAcetylcholinesteraseAcetylcholine
A fascicle is wrapped by a layer of connective tissue called __________.endomysiumepimysiumperimysiumaponeurosis
A congenital lack of thyroxine secretion is referred to as:
Which muscle is the prime mover of arm abduction?Latissimus dorsiDeltoidBiceps brachiiTriceps brachii
___________ causes increased pigmintation of the skin and mucous membranes.
What is an enlargement of the thyroid that may be caused by lack of iodine, inflammation induced by an infection, tumors, hyperthyroidism, or hypothyroidism?
How many hormones does the pituitary gland secrete in men?
The diagnostic term for the state of excessive thyroxine production is:

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