Reading Quiz 7 (CH. 4, 5 & 6) Flashcards
Red bone marrow is found within the ________ of spongy bone.
a. osteons
b. compact bone
c. trabeculae
d. metaphysis
c. trabeculae
Stimulation of osteoclasts by PTH (parathyroid hormone) and inhibition of osteoblasts occurs under what condition?
a. hypocalcemia
b. hypercalcemia
c. hyperpnea
d. hypopnea
a. hypocalcemia
Cells found within cartilage are called __________.
a. myocytes
b. leukocytes
c. osteocytes
d. chondrocytes
d. chondrocytes
Mature bone cells found within spongy bone and compact bone are called _________.
a. osteocytes
b. keratinocytes
c. chondrocytes
d. melanocytes
a. osteocytes
Synovial joints include ball and socket, condyloid, gliding, saddle, hinge, and pivot. What specific type of cartilage is found on the ends of bones that form synovial joints?
a. fibrocartilage
b. elastic cartilage
c. hyaline cartilage
d. spongy cartilage
c. hyaline cartilage
Bone elongation occurs within the _________ of a long bone.
a. epiphyseal plate
b. tendons
c. ligaments
d. melanin
a. epiphyseal plate
The greater tubercle is the specific landmark on the ____________ for an IO.
a. distal end of the femur
b. proximal end of the tibia
c. distal end of the tibia
d. proximal end of the humerus
d. proximal end of the humerus
Which of the following locations is the correct placement for an IO in the proximal end (closest to the femur) of the tibia?
a. lateral to the tibial tuberosity
b. on the lateral malleolus of the fibula opposite the tibia
c. posterior surface articulation with the fibula
d. one finger width inferior and medial to the tibial tuberosity
d. one finger width inferior and medial to the tibial tuberosity
__________ connect some skeletal muscles to bone.
a. ligaments
b. tendons
c. sarcomeres
d. myofibrils
b. tendons
The thick contractile protein in cardiac and skeletal muscle is __________.
a. myosin
b. tropomyosin
c. actin
d. troponin
a. myosin
The thin contractile protein in cardiac and skeletal muscle is _______.
a. troponin
b. tropomyosin
c. actin
d. myosin
c. actin
The regulatory protein where calcium attaches is called _______.
a. troponin
b. tropomyosin
c. actin
d. myosin
a. troponin
Contractile and regulatory proteins of skeletal and cardiac muscle are found within the ___________.
a. terminal cisternae
b. ligand gates
c. T-tubule
d. sarcomere
d. sarcomere
Cholinergic somatic motor neurons innervate skeletal muscle and secrete ACh onto _____________ receptors that are always stimulatory at the neuromuscular junction.
a. cholinergic (acetylcholine) muscarinic inhibitory
b. adrenergic (EPI and NorEPI) alpha1
c. adrenergic (EPI and NorEPI) beta1
d. cholinergic (acetylcholine) nicotinic stimulatory
d. cholinergic (acetylcholine) nicotinic stimulatory
Which of the following is a unique characteristic of cardiac muscle not found in skeletal or smooth muscle tissue?
a. cardiac muscle is aerobic
b. cardiac muscle contains sarcomeres
c. cardiac muscle contains intercalated discs
d. cardiac muscle is involuntary
c. cardiac muscle contains intercalated discs