- 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: