anatomy exam 2

Which of the following statements is true about compact bone?

c) It is composed of osteons.

What is NOT a function of the muscular system?

d) Filtration.

What is a “cord” made of dense regular connective tissue that attaches muscle to bone?

d) Tendon.

What is the origin of a muscle?

d) The proximal attachment point.

What portion of the nervous system is composed of the brain and spinal cord?

a) Central nervous system.

What cells in the nervous system are excitatory cells that transmit electrical signals?

b) Neurons.

A sensory nerve transmits information _ the CNS.

b) towards.

What statement about the left side of the heart is true?

b) It contains oxygenated blood and is the pump for the systemic circuit.

What is the smallest type of artery?

a) Arteriole.

What type of blood vessel contains valves to prevent the backflow of blood?

d) Veins.

Which bone marking is correctly matched with its location?

a) Auricular surface : Lateral aspect of sacrum.

Which of the following is correct about the tibia?

d) The medial malleolus is located on the tibia’s distal end.

Using directional terms, where is the greater trochanter located on the femur?

c) Proximally and laterally.

What three bones articulate to form the ankle joint?

b) Calcaneus, Fibula, Tibia.

What vein does the great (greater) saphenous vein drain directly into?

c) Femoral v.

What would be the correct path for blood traveling from the heart to the foot?

a) 2, 5, 8, 4, 1, 9, 10.

Fill in the blanks with the best option: At the inguinal ligament, the enters the lower limb and becomes the .

a) external iliac artery, femoral artery.

What does the lesser saphenous vein drain directly into?

c) Popliteal vein.

Which of the following nerves is derived (i.e. formed) from the lumbar plexus?

c) Obturator n.

Which of the following muscles is innervated by the superficial fibular nerve?

b) Fibularis longus m.

Which of the following is primarily responsible for the innervation of the medial compartment of the thigh?

c) Obturator n.

Identify the structure indicated by the red arrow in the image to the right.

a) Femoral artery.

Which of the following muscle actions is shared among the muscles innervated by the superior gluteal nerve?

a) Abduction of the hip (thigh).

Which of the following muscles is innervated by the lateral plantar nerve?

a) Abductor digiti minimi m.

A coronary angiography was completed to look for a blockage in the vasculature to the heart. To do this, a catheter was inserted into the femoral artery to ascend to the heart. Where would be the easiest place to access the femoral artery?

a) Femoral triangle.

Which of the following is the most superficial structure in the popliteal fossa?

d) Popliteal vein.

What two muscles make up the floor of the femoral triangle?

e) Iliopsoas m. and pectineus m.

What is the thickened lateral portion of the fascia lata called?

c) Iliotibial tract.

What is the name of the muscle that has a long tendon that lies between the gastrocnemius muscle and the soleus muscle?

c) Plantaris m.

Which of the following muscles both dorsiflexes and inverts the foot?

e) Tibialis anterior m.

Which of the following muscles plantar flexes the foot and is innervated by the superficial fibular nerve?

a) Fibularis longus m.

Which of the following is correct about the gastrocnemius muscle?

b) It flexes the knee.

Which of the following muscle actions would be lost after an injury to the common fibular nerve?

b) Dorsiflexion of the ankle (foot).

Which of the following muscles of the anterior compartment of the thigh flexes the knee?

b) Sartorius m.

A patient has difficulty everting the foot after a freak bowling accident. Which of the following muscles is most likely injured?

c) Fibularis longus m.

Which of the following muscles is found deep to the rectus femoris muscle?

c) Vastus intermedius m.

A stab wound pierces the inguinal ligament and damages the nerve deep to the ligament. This could result in loss of what action?

d) Abduction of the hip.

Lateral rotation of the hip (thigh)

c. Piriformis m.

Flexes hip (thigh), extends knee (leg)

d. Rectus femoris m.

Extends hip (thigh), flexes knee (leg)

ab. Semitendinosus m.

Only flexes the hip (thigh / trunk)

b. Psoas major m.

Dorsiflexes the ankle (foot) and extends digit 1

a. Extensor hallucis longus m.

Flexes leg (knee) and plantarflexes the foot

d. Gastrocnemius m.

Dorsiflexes the ankle (foot) and everts foot

c. Fibularis tertius m.

Flexes the leg (knee) and medially rotates the tibia to unlock the extended knee

ab. Popliteus m.

Both hips are flexed

A. Both hips are flexed.

Which statement is true about the colored muscles to the right?

E. Yellow: it is the largest/heaviest muscle that adducts the thigh.