The tissue that stabilizes the ends of a broken bone is called a:

a. fracture hematoma
b. callus
c. symphysis
d. synchondrosis


Ans: b. callus

Anatomy & Physiology

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In the somatic nervous system, how many neurons run from the CNS to the effector organ?

a. one b. two c. three d. four e. five

Anatomy & Physiology

Place the following steps of endomembrane system function in the correct order

1. Golgi apparatus receives transport vesicles from the RER. 2. Ribosomes on the RER synthesize proteins. 3. Proteins are packaged into transport vesicles. 4. Modified proteins may be secreted from the cell by exocytosis. 5. Proteins are modified by the Golgi apparatus. A) 3, 2, 1, 4, 5 B) 2, 3, 1, 5, 4 C) 1, 2, 3, 5, 4 D) 2, 4, 3, 1, 5

Anatomy & Physiology

The ________ follicle consists of an oocyte surrounded by a layer of squamous follicle cells

A) primordial B) secondary C) primary D) tertiary

Anatomy & Physiology

Which of the following choices lists a correct sequence of events following the depolarization of transverse tubules in excitation-contraction coupling in cardiac muscle?

A. calcium release into cytosol, calcium ion influx through sarcolemma, actin and myosin attach, thin filaments slide toward the middle of sarcomeres B. actin and myosin attach, thin filaments slide toward the middle of sarcomeres, calcium release into cytosol C. calcium release into cytosol, actin and myosin attach, calcium ion influx through sarcolemma, thin myofilaments slide toward the middle of sarcomeres D. calcium release into cytosol, actin and myosin attach, thin filaments slide toward the middle of sarcomeres, calcium ion influx through sarcolemma E. calcium ion influx through sarcolemma, calcium release into cytosol, actin and myosin attach, thin myofilaments slide toward the middle of sarcomeres

Anatomy & Physiology