TEST BANK ANATOMY &
PHYSIOLOGY PREP QUESTIONS
WITH CORRECT ANSWERS
a motor unit consists of
a: multiple motor neurons and multiple muscle fibers
b: a single motor neuron and the multiple muscle fibers it
controls
c: multiple motor neurons and the one muscle fiber they
control
d: one synaptic terminal button, a cleft, and an
acetylcholine receptor
e: an end plate, a T-tubule, and sarcoplasmic reticulum -
correct answer- B
a motor unit within the powerful quadriceps muscle
would
a: contains several motor neurons.
,b: be much like those in the eye muscle
c: generally contain less than 10 fibers
d: generally contains several hundred fibers - correct
answer- D
a portal system
a: includes a functional end artery that makes an arterial
anastomosis
b: is a simple circulatory system with an aeriovenous
anastomosis
c: is one in which blood flows through two capillary beds
before being sent back to the heart
d: is one in which circulation to large organ involves only
one artery and one main portal vein
e: is one of which multiple arteries converge on one organ
or body region - correct answer- C
a power stroke involves
,a: an Actin molecule pulling a myosin molecule toward the
M line
b: if in filament shortening in length and thereby
shortening the sarcomere
c: and myosin had pulling a thin filament toward the
center of the sarcomere
d: a thick filament pushing an actin filament toward the
nearest Z line - correct answer- C
a sarcomere is defined as the distance from one ______
to the next adjacent ______. (the same answer fills in
both spaces)
a: Z disc
b: I band
c: H zone
d: A band
e: M line - correct answer- A
, a term that describes the change in muscle following a
lack of exercise is
a: proliferation
b: hypertrophy
c: convergence
d: atrophy
e: myofascia - correct answer- D
a typical skeletal muscle contains approximately _____
mitochondria
a: 3
b: 30
c: 300
d: 3000 - correct answer- C
acetylcholine is released from a neuron
PHYSIOLOGY PREP QUESTIONS
WITH CORRECT ANSWERS
a motor unit consists of
a: multiple motor neurons and multiple muscle fibers
b: a single motor neuron and the multiple muscle fibers it
controls
c: multiple motor neurons and the one muscle fiber they
control
d: one synaptic terminal button, a cleft, and an
acetylcholine receptor
e: an end plate, a T-tubule, and sarcoplasmic reticulum -
correct answer- B
a motor unit within the powerful quadriceps muscle
would
a: contains several motor neurons.
,b: be much like those in the eye muscle
c: generally contain less than 10 fibers
d: generally contains several hundred fibers - correct
answer- D
a portal system
a: includes a functional end artery that makes an arterial
anastomosis
b: is a simple circulatory system with an aeriovenous
anastomosis
c: is one in which blood flows through two capillary beds
before being sent back to the heart
d: is one in which circulation to large organ involves only
one artery and one main portal vein
e: is one of which multiple arteries converge on one organ
or body region - correct answer- C
a power stroke involves
,a: an Actin molecule pulling a myosin molecule toward the
M line
b: if in filament shortening in length and thereby
shortening the sarcomere
c: and myosin had pulling a thin filament toward the
center of the sarcomere
d: a thick filament pushing an actin filament toward the
nearest Z line - correct answer- C
a sarcomere is defined as the distance from one ______
to the next adjacent ______. (the same answer fills in
both spaces)
a: Z disc
b: I band
c: H zone
d: A band
e: M line - correct answer- A
, a term that describes the change in muscle following a
lack of exercise is
a: proliferation
b: hypertrophy
c: convergence
d: atrophy
e: myofascia - correct answer- D
a typical skeletal muscle contains approximately _____
mitochondria
a: 3
b: 30
c: 300
d: 3000 - correct answer- C
acetylcholine is released from a neuron
