Chamberlain University BIOS 252- Comprehensive Exam
Questions & Answers
1. When compared to a classic lever system, the synovial joints of our Muscu-
loskeletal system play the role of the ?: Fulcrum
2. Which of the following event will occur when depolarizing graded potential's
reach the membrane of the axon Hillock, causing its membrane potential to
reach threshold?: Voltage-gated Na+ channels open rapidly
3. The attachment of the muscles tendon to the stationary bone is called the
? ; The attachment of the muscles other tendon to the movable bone
is called the ?: Origin ; Insertion
4. Which of the following fascicular arrangements would best be described as
fascicles arranged on only one side of the tendon?: Unipennate
5. Which type of synapse involves the secretion of a neurotransmitter across
the synapse to stimulate the post-synaptic cell?: Chemical
6. Your friend nods 'yes' to you, going through flexion, extension, and hyper
extension in their enthusiastic response. This movement at the fulcrum rep-
resents a: First-class lever system
7. The sarcoplasmic reticulum stores: Calcium ions
8. Which of the following is NOT a function of smooth muscle tissue?: Blinking the
eyelid
9. In an isometric contraction, the ,uncle develops tension but does not?: Shorten
10. is the summation of postsynaptic potentials in response to stimuli
that occur at different locations in the membrane of a postsynaptic cell at the
same time: Spatial summation
11. Which of the following molecules energizes the myosin club-head so that it
can pull the actin molecule?: ATP
12. Which of the following muscles is the major agonist for plantar-flexion of
1/5
, the foot: Gastrocnemius
13. Which muscle is responsible for movement of the eye medically (adduc-
tion)?: Medial rectus
14. EPSPs (excitatory postsynaptic potentials) occur when: Sodium channels are opened
and sodium enters the cell
2/5
Questions & Answers
1. When compared to a classic lever system, the synovial joints of our Muscu-
loskeletal system play the role of the ?: Fulcrum
2. Which of the following event will occur when depolarizing graded potential's
reach the membrane of the axon Hillock, causing its membrane potential to
reach threshold?: Voltage-gated Na+ channels open rapidly
3. The attachment of the muscles tendon to the stationary bone is called the
? ; The attachment of the muscles other tendon to the movable bone
is called the ?: Origin ; Insertion
4. Which of the following fascicular arrangements would best be described as
fascicles arranged on only one side of the tendon?: Unipennate
5. Which type of synapse involves the secretion of a neurotransmitter across
the synapse to stimulate the post-synaptic cell?: Chemical
6. Your friend nods 'yes' to you, going through flexion, extension, and hyper
extension in their enthusiastic response. This movement at the fulcrum rep-
resents a: First-class lever system
7. The sarcoplasmic reticulum stores: Calcium ions
8. Which of the following is NOT a function of smooth muscle tissue?: Blinking the
eyelid
9. In an isometric contraction, the ,uncle develops tension but does not?: Shorten
10. is the summation of postsynaptic potentials in response to stimuli
that occur at different locations in the membrane of a postsynaptic cell at the
same time: Spatial summation
11. Which of the following molecules energizes the myosin club-head so that it
can pull the actin molecule?: ATP
12. Which of the following muscles is the major agonist for plantar-flexion of
1/5
, the foot: Gastrocnemius
13. Which muscle is responsible for movement of the eye medically (adduc-
tion)?: Medial rectus
14. EPSPs (excitatory postsynaptic potentials) occur when: Sodium channels are opened
and sodium enters the cell
2/5
