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PNB 2264 Final UPDATED ACTUAL Exam Questions and CORRECT Answers

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PNB 2264 Final UPDATED ACTUAL
Exam Questions and CORRECT Answers
Like hyaline cartilage, compact bone tissue has ________________

a. Lacunae
b. Collagen
c. Cells
d. A surrounding dense connective tissue membrane

e. All of the above - CORRECT ANSWER- ✔✔e. All of the above

Which of the following illustrates the feedback control of homeostasis?

a. The site or smell of foods leads to salivary secretion
b. In response to a rise in blood temperature, sweat glands are activated
c. In response to a rise in blood calcium, osteoclasts are activated

d. All of the above - CORRECT ANSWER- ✔✔b. In response to a rise in blood temperature,
sweat glands are activated

Rickets leads to curving of the distal femur and tibia due to _________________

a. Torn menisci, which causes instability of the knee joint
b. Lower overall density of bone with normal inorganic: organic ratio, which leads to
compression fractures in tibia and femur
c. Lower-than-normal mineralization of bone matrix, which decreases it ability to resist
compressive forces - CORRECT ANSWER- ✔✔c. Lower-than-normal mineralization of
bone matrix, which decreases it ability to resist compressive forces

Which choice correctly illustrates hierarchical organization?

a. Tissues are made up of cells, and organs are made up of tissues
b. Organs are made of up cells; and tissue are made up of organs

,c. Cells are made up of tissues, and organ systems are made up of cells - CORRECT
ANSWER- ✔✔a. Tissues are made up of cells, and organs are made up of tissues

Which movement is not possible at the wrist joint?

a. Rotation
b. Circumduction
c. Flexion
d. Adduction

e. Extension - CORRECT ANSWER- ✔✔a. Rotation

Gliding joints are true synovial joints with synovial membrane, and synovial fluid contained
in a joint

a. True

b. False - CORRECT ANSWER- ✔✔a. True

Paralysis of upper and lower extremity muscle following a stroke can lead to ___________

a. Subluxation (partial dislocation); shoulder joint
b. Anterior of lateral dislocation, knee
c. Dislocation, humero-radial joint

d. Damage to the fibrocartilage labrum - CORRECT ANSWER- ✔✔a. Subluxation (partial
dislocation); shoulder joint

Which of the following is true about the knee joint?

a. The popliteus muscle acts to lock the knee in extension
b. The tibia rotates on the femur to lock the knee in extension
c. The knee is functionally and anatomically classified as a hinge joint

,d. The hamstring muscle unlock the locked muscle - CORRECT ANSWER- ✔✔a. The
popliteus muscle acts to lock the knee in extension

Chamber A and Chamber B are separated by a semipermeable membrane that is permeable to
water, but impermeable to solute X. The concentration of X in Chamber A is 500mM and the
concentration of X in Chamber B is 250mM. Which of the following statements are true?

a. Neither of these statements are true
b. Chamber A is hypotonic relative to chamber B
c. Chamber B will have decreased volume at equilibrium

d. Both of these statements are true - CORRECT ANSWER- ✔✔c. Chamber B will have
decreased volume at equilibrium

Which muscle act to abduct the shoulder joint?

a. Deltoid
b. Infraspinatus
c. Soleus

d. Flexor and extensor carpi radialis muscles acting together - CORRECT ANSWER- ✔✔a.
Deltoid

The epidermis of the skin is made of ________________, the outermost layer of which
consists of ______________

a. Stratified squamous keratinizing epithelium; dead cells
b. Simple squamous keratinizing epithelium; the apical surface
c. Connective tissue; the papillary layer

d. Dense irregular connective tissue; collagen fibers - CORRECT ANSWER- ✔✔a. Stratified
squamous keratinizing epithelium; dead cells

For the articulations between most (typical) pairs of vertebrate, including T-1 with T-2, the
bodies are connected _______________ joints and the superior and inferior articular facets
on the arches are connected by _____________ joints

, a. Syndesmosis; condyloid
b. Symphysis; pivot
c. Symphysis; gliding

d. Synchondrosis; gliding - CORRECT ANSWER- ✔✔c. Symphysis; gliding

Positive feedback control systems can cause useful changes in the body

a. true

b. false - CORRECT ANSWER- ✔✔a. True

The shoulder girdle consists of which combination of bones?

a. Clavicle, scapula, and humerus
b. Scapula and humerus
c. Ilium, ischium, and pubis

d. Clavicle, scapula, and sternum - CORRECT ANSWER- ✔✔d. Clavicle, scapula, and
sternum

The jaw is a ________ joint, and Masseter and Temporalis muscles act upon it to cause it
to____________

a. Combined hinge and gliding; close
b. Combined hinge gliding; move laterally for chewing
c. Hinge; open wide for yawning

d. Gliding; open - CORRECT ANSWER- ✔✔a. Combined hinge and gliding; close

When a long bone grows, cartilage cells multiply, and secrete matrix on the ________ of the
epiphyseal _________ and the ossification converts cartilage to bone on the
______________side.

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